- linaro-kernel - lists.linaro.org

[RFC PATCH v2] ARM: OMAP4/highbank: Flush L2 cache before disabling

by Taras Kondratiuk

Kexec disables outer cache before jumping to reboot code, but it doesn't flush it explicitly. Flush is done implicitly inside of l2x0_disable(). But some SoC's override default .disable handler and don't flush cache. This may lead to a corrupted memory during Kexec reboot on these platforms. This patch adds cache flush inside of OMAP4 and Highbank outer_cache.disable() handlers to make it consistent with default l2x0_disable(). Also it removes redundant outer_flush_all() call just before outer_disable(). Signed-off-by: Taras Kondratiuk <taras.kondratiuk(a)linaro.org> --- v2: Make the fix specific to platforms that don't use l2x0_disable(). v1: https://patchwork.kernel.org/patch/2974431/ --- Cc: Will Deacon <will.deacon(a)arm.com> Cc: Russell King <linux(a)arm.linux.org.uk> Cc: Rob Herring <rob.herring(a)calxeda.com> Cc: linaro-kernel(a)lists.linaro.org Cc: linux-arm-kernel(a)lists.infradead.org Cc: linux-omap(a)vger.kernel.org --- arch/arm/mach-highbank/highbank.c | 1 + arch/arm/mach-highbank/pm.c | 1 - arch/arm/mach-omap2/omap4-common.c | 1 + 3 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 8e63ccd..22e6f34 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -63,6 +63,7 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr) static void highbank_l2x0_disable(void) { + outer_flush_all(); /* Disable PL310 L2 Cache controller */ highbank_smc1(0x102, 0x0); } diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c index 04eddb4..9a5b8a7 100644 --- a/arch/arm/mach-highbank/pm.c +++ b/arch/arm/mach-highbank/pm.c @@ -28,7 +28,6 @@ static int highbank_suspend_finish(unsigned long val) { - outer_flush_all(); outer_disable(); highbank_set_pwr_suspend(); diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 5791143..3f44b16 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -163,6 +163,7 @@ void __iomem *omap4_get_l2cache_base(void) static void omap4_l2x0_disable(void) { + outer_flush_all(); /* Disable PL310 L2 Cache controller */ omap_smc1(0x102, 0x0); } -- 1.7.9.5

11 years, 8 months

3
2
0 0

[PATCH] regulator: core: Always warn when using a dummy regulator

by Mark Brown

From: Mark Brown <broonie(a)linaro.org> This helps people spot if they have missed a supply from a device tree or equivalent data structure. Suggested-by: Stephen Warren <swarren(a)nvidia.com> Signed-off-by: Mark Brown <broonie(a)linaro.org> --- drivers/regulator/core.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 6333080..13263d1 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1299,13 +1299,8 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, * even if it isn't hooked up and just provide a dummy. */ if (has_full_constraints && allow_dummy) { - /* - * Log the substitution if regulator configuration is - * not complete to help development. - */ - if (!has_full_constraints) - pr_warn("%s supply %s not found, using dummy regulator\n", - devname, id); + pr_warn("%s supply %s not found, using dummy regulator\n", + devname, id); rdev = dummy_regulator_rdev; goto found; -- 1.8.4.rc3

11 years, 8 months

2
1
0 0

linus/master boot: 24 pass, 5 fail (v3.12-rc3-296-g15c83d2)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-296-g15c83d2 Commit: 15c83d26e1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Failed boot tests (console logs at the end) =========================================== omap3-tobi,3530overo: FAIL: arm-omap2plus_defconfig omap3-tobi,3730storm: FAIL: arm-omap2plus_defconfig omap3-tobi,3530overo: FAIL: arm-multi_v7_defconfig omap3-tobi,3730storm: FAIL: arm-multi_v7_defconfig exynos5250-arndale: FAIL: arm-exynos_defconfig Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 17.3 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.3 sec omap3-beagle-xm PASS: 0 min 52.5 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo FAIL: 1 min 12.3 sec omap4-panda PASS: 1 min 7.0 sec omap4-panda-es PASS: 1 min 6.8 sec omap3-tobi,3730storm FAIL: 0 min 27.4 sec omap3-beagle PASS: 0 min 50.7 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.3 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.2 sec imx6q-wandboard PASS: 0 min 14.9 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 16.8 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 48.9 sec armada-370-mirabox PASS: 0 min 20.2 sec omap4-panda PASS: 1 min 0.8 sec omap4-panda-es PASS: 1 min 7.5 sec sun4i-a10-cubieboard PASS: 0 min 14.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.7 sec omap3-tobi,3530overo FAIL: 1 min 10.5 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.9 sec omap3-tobi,3730storm FAIL: 0 min 27.4 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.8 sec omap3-beagle PASS: 0 min 56.5 sec arm-exynos_defconfig -------------------- exynos5250-arndale FAIL: 0 min 31.4 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.9 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.7 sec Console logs for failures ========================= arm-omap2plus_defconfig ----------------------- omap3-tobi,3530overo: FAIL: last 24 lines of boot log: ------------------------------------------------------ Ove before (last 100 chars): = 4153680 (3f6150 hex) Ove after: <class 'pexpect.TIMEOUT'> match: None match_index: None exitstatus: None flag_eof: False pid: 19066 child_fd: 3 closed: False timeout: 30 delimiter: <class 'pexpect.EOF'> logfile: <open file 'boot-omap3-tobi,3530overo.log', mode 'w' at 0x7f56f999ced0> logfile_read: None logfile_send: None maxread: 2000 ignorecase: False searchwindowsize: None delaybeforesend: 0.05 delayafterclose: 0.1 delayafterterminate: 0.1 # PYBOOT: Time: 72.28 seconds. # PYBOOT: Result: FAIL omap3-tobi,3730storm: FAIL: last 24 lines of boot log: ------------------------------------------------------ setenv netargs 'setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}::::192.168.1.254:none' Overo # if test -n ${initenv}; then run initenv; fi if test -n ${initenv}; then run initenv; fi Overo #if test -n ${preboot}; then run preboot; fi if test -n ${preboot}; then run preboot; fi Overo # setenv autoload no; setenv autoboot no setenv autoload no; setenv autoboot no Overo # dhcp dhcp smc911x: detected LAN9221 controller smc911x: autonegotiation timed out smc911x: MAC 00:15:c9:28:f0:11 BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 Retry count exceeded; starting again smc911x: detected LAN9221 controller ~$off # PYBOOT: Exception: u-boot: ERROR: DHCP retry count exceeded. # PYBOOT: Time: 27.36 seconds. # PYBOOT: Result: FAIL arm-multi_v7_defconfig ---------------------- omap3-tobi,3530overo: FAIL: last 24 lines of boot log: ------------------------------------------------------ / # uname -r uname -r 3.12.0-rc3-00296-g15c83d2 / # cat /proc/cpuinfo cat /proc/cpuinfo processor : 0 model name : ARMv7 Processor rev 3 (v7l) Features : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpd32 CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x1 CPU part : 0xc08 CPU revision : 3 Hardware : Generic OMAP3 (Flattened Device Tree) Revision : 0000 Serial : 0000000000000000 / # ip -f inet -o addr ip -f inet -o addr 1: lo inet 127.0.0.1/8 scope host lo\ valid_lft forever preferred_lft forever /~$off # PYBOOT: Exception: ERROR: Timeout waiting for command: ip -f inet -o addr. # PYBOOT: Time: 70.47 seconds. # PYBOOT: Result: FAIL omap3-tobi,3730storm: FAIL: last 24 lines of boot log: ------------------------------------------------------ setenv netargs 'setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}::::192.168.1.254:none' Overo # if test -n ${initenv}; then run initenv; fi if test -n ${initenv}; then run initenv; fi Overo # if test -n ${preboot}; then run preboot; fi if test -n ${preboot}; then run preboot; fi Overo # setenv autoload no; setenv autoboot no setenv autoload no; setenv autoboot no Overo # dhcp dhcp smc911x: detected LAN9221 controller smc911x: autonegotiation timed out smc911x: MAC 00:15:c9:28:f0:11 BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 Retry count exceeded; starting again smc911x: detected LAN9221 controller ~$off # PYBOOT: Exception: u-boot: ERROR: DHCP retry count exceeded. # PYBOOT: Time: 27.36 seconds. # PYBOOT: Result: FAIL arm-exynos_defconfig -------------------- exynos5250-arndale: FAIL: last 24 lines of boot log: ---------------------------------------------------- Connected to arndale console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(arndale console)> hardreset (user:jenkins) Reboot arndale Reboot: arndale ; phidget 2 0 : off, sleep, on ~$off # PYBOOT: Exception: ERROR: Could not break into autoboot. # PYBOOT: Time: 31.45 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

1
0
0 0

[RFC] ARM: lockless get_user_pages_fast()

by Zi Shen Lim

Futex uses GUP. Currently on ARM, the default __get_user_pages_fast being used always returns 0, leading to a forever loop in get_futex_key :( Implementing GUP solves this problem. Tested on vexpress-A15 on QEMU. 8<---------------------------------------------------->8 Implement get_user_pages_fast without locking in the fastpath on ARM. This work is derived from the x86 version and adapted to ARM. Signed-off-by: Zi Shen Lim <zishen.lim(a)linaro.org> --- arch/arm/mm/Makefile | 4 +- arch/arm/mm/gup.c | 330 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 332 insertions(+), 2 deletions(-) create mode 100644 arch/arm/mm/gup.c diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 224a9cc..26cafd0 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -2,8 +2,8 @@ # Makefile for the linux arm-specific parts of the memory manager. # -obj-y := dma-mapping.o extable.o fault.o init.o \ - iomap.o +obj-y := dma-mapping.o extable.o fault.o gup.o \ + init.o iomap.o obj-$(CONFIG_MMU) += fault-armv.o flush.o idmap.o ioremap.o \ mmap.o pgd.o mmu.o diff --git a/arch/arm/mm/gup.c b/arch/arm/mm/gup.c new file mode 100644 index 0000000..42dce08 --- /dev/null +++ b/arch/arm/mm/gup.c @@ -0,0 +1,330 @@ +/* + * Lockless get_user_pages_fast for ARM + * + * Copyright (C) 2008 Nick Piggin + * Copyright (C) 2008 Novell Inc. + * Copyright (C) 2013 Zi Shen Lim, Linaro Ltd <zishen.lim(a)linaro.org> + */ +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/vmstat.h> +#include <linux/highmem.h> +#include <linux/swap.h> +#include <linux/hugetlb.h> + +#include <asm/pgtable.h> + +static inline pte_t gup_get_pte(pte_t *ptep) +{ + return ACCESS_ONCE(*ptep); +} + +/* + * The performance critical leaf functions are made noinline otherwise gcc + * inlines everything into a single function which results in too much + * register pressure. + */ +static noinline int gup_pte_range(pmd_t pmd, unsigned long addr, + unsigned long end, int write, struct page **pages, int *nr) +{ + pte_t *ptep; + + ptep = pte_offset_map(&pmd, addr); + do { + pte_t pte = gup_get_pte(ptep); + struct page *page; + + if (!pte_present_user(pte) || (write && !pte_write(pte)) || + pte_special(pte)) { + pte_unmap(ptep); + return 0; + } + VM_BUG_ON(!pfn_valid(pte_pfn(pte))); + page = pte_page(pte); + get_page(page); + SetPageReferenced(page); + pages[*nr] = page; + (*nr)++; + + } while (ptep++, addr += PAGE_SIZE, addr != end); + pte_unmap(ptep - 1); + + return 1; +} + +static inline void get_head_page_multiple(struct page *page, int nr) +{ + VM_BUG_ON(page != compound_head(page)); + VM_BUG_ON(page_count(page) == 0); + atomic_add(nr, &page->_count); + SetPageReferenced(page); +} + +static noinline int gup_huge_pmd(pmd_t pmd, unsigned long addr, + unsigned long end, int write, struct page **pages, int *nr) +{ + pte_t pte = *(pte_t *)&pmd; + struct page *head, *page; + int refs; + + if (!pte_present_user(pte) || (write && !pte_write(pte))) + return 0; + /* hugepages are never "special" */ + VM_BUG_ON(pte_special(pte)); + VM_BUG_ON(!pfn_valid(pte_pfn(pte))); + + refs = 0; + head = pte_page(pte); + page = head + ((addr & ~PMD_MASK) >> PAGE_SHIFT); + do { + VM_BUG_ON(compound_head(page) != head); + pages[*nr] = page; + if (PageTail(page)) + get_huge_page_tail(page); + (*nr)++; + page++; + refs++; + } while (addr += PAGE_SIZE, addr != end); + get_head_page_multiple(head, refs); + + return 1; +} + +static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end, + int write, struct page **pages, int *nr) +{ + unsigned long next; + pmd_t *pmdp; + + pmdp = pmd_offset(&pud, addr); + do { + pmd_t pmd = *pmdp; + + next = pmd_addr_end(addr, end); + /* + * The pmd_trans_splitting() check below explains why + * pmdp_splitting_flush has to flush the tlb, to stop + * this gup-fast code from running while we set the + * splitting bit in the pmd. Returning zero will take + * the slow path that will call wait_split_huge_page() + * if the pmd is still in splitting state. gup-fast + * can't because it has irq disabled and + * wait_split_huge_page() would never return as the + * tlb flush IPI wouldn't run. + */ + if (pmd_none(pmd) || pmd_trans_splitting(pmd)) + return 0; + if (unlikely(pmd_huge(pmd))) { + if (!gup_huge_pmd(pmd, addr, next, write, pages, nr)) + return 0; + } else { + if (!gup_pte_range(pmd, addr, next, write, pages, nr)) + return 0; + } + } while (pmdp++, addr = next, addr != end); + + return 1; +} + +static noinline int gup_huge_pud(pud_t pud, unsigned long addr, + unsigned long end, int write, struct page **pages, int *nr) +{ + pte_t pte = *(pte_t *)&pud; + struct page *head, *page; + int refs; + + if (!pte_present_user(pte) || (write && !pte_write(pte))) + return 0; + /* hugepages are never "special" */ + VM_BUG_ON(pte_special(pte)); + VM_BUG_ON(!pfn_valid(pte_pfn(pte))); + + refs = 0; + head = pte_page(pte); + page = head + ((addr & ~PUD_MASK) >> PAGE_SHIFT); + do { + VM_BUG_ON(compound_head(page) != head); + pages[*nr] = page; + if (PageTail(page)) + get_huge_page_tail(page); + (*nr)++; + page++; + refs++; + } while (addr += PAGE_SIZE, addr != end); + get_head_page_multiple(head, refs); + + return 1; +} + +static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end, + int write, struct page **pages, int *nr) +{ + unsigned long next; + pud_t *pudp; + + pudp = pud_offset(&pgd, addr); + do { + pud_t pud = *pudp; + + next = pud_addr_end(addr, end); + if (pud_none(pud)) + return 0; + if (unlikely(pud_huge(pud))) { + if (!gup_huge_pud(pud, addr, next, write, pages, nr)) + return 0; + } else { + if (!gup_pmd_range(pud, addr, next, write, pages, nr)) + return 0; + } + } while (pudp++, addr = next, addr != end); + + return 1; +} + +/* + * Like get_user_pages_fast() except its IRQ-safe in that it won't fall + * back to the regular GUP. + */ +int __get_user_pages_fast(unsigned long start, int nr_pages, int write, + struct page **pages) +{ + struct mm_struct *mm = current->mm; + unsigned long addr, len, end; + unsigned long next; + unsigned long flags; + pgd_t *pgdp; + int nr = 0; + + start &= PAGE_MASK; + addr = start; + len = (unsigned long) nr_pages << PAGE_SHIFT; + end = start + len; + if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ, + (void __user *)start, len))) + return 0; + + /* + * XXX: batch / limit 'nr', to avoid large irq off latency + * needs some instrumenting to determine the common sizes used by + * important workloads (eg. DB2), and whether limiting the batch size + * will decrease performance. + * + * It seems like we're in the clear for the moment. Direct-IO is + * the main guy that batches up lots of get_user_pages, and even + * they are limited to 64-at-a-time which is not so many. + */ + /* + * This doesn't prevent pagetable teardown, but does prevent + * the pagetables and pages from being freed. + * + * So long as we atomically load page table pointers versus teardown, + * we can follow the address down to the the page and take a ref on it. + */ + local_irq_save(flags); + pgdp = pgd_offset(mm, addr); + do { + pgd_t pgd = *pgdp; + + next = pgd_addr_end(addr, end); + if (pgd_none(pgd)) + break; + if (!gup_pud_range(pgd, addr, next, write, pages, &nr)) + break; + } while (pgdp++, addr = next, addr != end); + local_irq_restore(flags); + + return nr; +} + +/** + * get_user_pages_fast() - pin user pages in memory + * @start: starting user address + * @nr_pages: number of pages from start to pin + * @write: whether pages will be written to + * @pages: array that receives pointers to the pages pinned. + * Should be at least nr_pages long. + * + * Attempt to pin user pages in memory without taking mm->mmap_sem. + * If not successful, it will fall back to taking the lock and + * calling get_user_pages(). + * + * Returns number of pages pinned. This may be fewer than the number + * requested. If nr_pages is 0 or negative, returns 0. If no pages + * were pinned, returns -errno. + */ +int get_user_pages_fast(unsigned long start, int nr_pages, int write, + struct page **pages) +{ + struct mm_struct *mm = current->mm; + unsigned long addr, len, end; + unsigned long next; + pgd_t *pgdp; + int nr = 0; + + start &= PAGE_MASK; + addr = start; + len = (unsigned long) nr_pages << PAGE_SHIFT; + + end = start + len; + if (end < start) + goto slow_irqon; + + /* + * XXX: batch / limit 'nr', to avoid large irq off latency + * needs some instrumenting to determine the common sizes used by + * important workloads (eg. DB2), and whether limiting the batch size + * will decrease performance. + * + * It seems like we're in the clear for the moment. Direct-IO is + * the main guy that batches up lots of get_user_pages, and even + * they are limited to 64-at-a-time which is not so many. + */ + /* + * This doesn't prevent pagetable teardown, but does prevent + * the pagetables and pages from being freed. + * + * So long as we atomically load page table pointers versus teardown, + * we can follow the address down to the the page and take a ref on it. + */ + local_irq_disable(); + pgdp = pgd_offset(mm, addr); + do { + pgd_t pgd = *pgdp; + + next = pgd_addr_end(addr, end); + if (pgd_none(pgd)) + goto slow; + if (!gup_pud_range(pgd, addr, next, write, pages, &nr)) + goto slow; + } while (pgdp++, addr = next, addr != end); + local_irq_enable(); + + VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT); + return nr; + + { + int ret; + +slow: + local_irq_enable(); +slow_irqon: + /* Try to get the remaining pages with get_user_pages */ + start += nr << PAGE_SHIFT; + pages += nr; + + down_read(&mm->mmap_sem); + ret = get_user_pages(current, mm, start, + (end - start) >> PAGE_SHIFT, write, 0, pages, NULL); + up_read(&mm->mmap_sem); + + /* Have to be a bit careful with return values */ + if (nr > 0) { + if (ret < 0) + ret = nr; + else + ret += nr; + } + + return ret; + } +} -- 1.8.1.2

11 years, 8 months

3
4
0 0

[PATCH 0/3] KVM/ARM Huge pages support

by Christoffer Dall

This small series adds support for Transparent Huge Pages and hugetlbfs pages for KVM on the arm and arm64 architectures. Measurements have shown that using huge pages in for stage-2 mappings provides up to more than 15% performance increase for some workloads. The patch series applies to kvm/next, but depends on the patch sent earlier: "ARM: KVM: Fix unaligned unmap_range leak" Christoffer Dall (3): KVM: Move gfn_to_index to x86 specific code KVM: ARM: Get rid of KVM_HPAGE_XXX defines KVM: ARM: Transparent huge pages and hugetlbfs support arch/arm/include/asm/kvm_host.h | 5 - arch/arm/include/asm/kvm_mmu.h | 17 +++- arch/arm/kvm/mmu.c | 200 ++++++++++++++++++++++++++++++++------ arch/arm64/include/asm/kvm_mmu.h | 12 ++- arch/x86/include/asm/kvm_host.h | 7 ++ include/linux/kvm_host.h | 7 -- 6 files changed, 201 insertions(+), 47 deletions(-) -- 1.7.10.4

11 years, 8 months

6
17
0 0

[PATCH 000/228] CPUFreq: cleanup stuff for 3.13

by Viresh Kumar

This is my biggest patchset ever and it might not happen again in my entire career. I hope I haven't screwed up here :) CPUFreq cleanup patches are ready to hit linux-next (I hope it doesn't turn out into horror stories, where it broke all possible architectures where Linux runs :)) Most of these are build tested only, Also done by: Fengguang Wu's build bot. All of these were sent separately in smaller patchsets earlier and now merged together as a single set. Some parts are reviewed by platform maintainers and their Acks are included in the patches (Sorry if I missed any).. These are rebased over today's pm/linux-next: f74a274 Merge branch 'pm-cpufreq-next' into linux-next with following patches over it, which I expect to get into Rafael's tree before these: cpufreq: use correct values of cpus in __cpufreq_remove_dev_finish() cpufreq: distinguish drivers that do asynchronous notifications cpufreq: make sure frequency transitions are serialized cpufreq: Create cpufreq_transition_complete() cpufreq: powernow-k8: mark freq transition complete on error cases There are few new patches here which haven't been sent yet and only came out after discussions with Maintainers about their platforms: cpufreq: loongson2: use cpufreq_generic_init() routine cpufreq: davinci: use cpufreq_generic_init() routine cpufreq: cris: use cpufreq_generic_init() routine cpufreq: omap: use cpufreq_generic_init() routine As suggested by Rafael earlier, he might not apply all at once and will give people some chance to test sets one by one.. So, first set now, next one after few days. So, I am marking different sets with patch numbers to make it easier for Rafael. - Patch 1->8: Generic cleanup of cpufreq core (First batch) - Patch 9->54: Mostly about cpufreq_table_validate_and_show() helper (First batch) - Patch 55->89: New generic routines for cpufreq drivers (First/Second batch) - Patch 90->126: About calling cpufreq_driver->get() from core (First/Second batch) - Patch 127->146: Generic init() routine (First/Second batch) - Patch 147->180: Light weight ->target() routine (Third batch) - Patch 181->211: Call notifiers from core instead of target() (Third/Fourth batch) - Patch 212->228: Generic get() (Fifth batch) As suggested by Amit here, Linaro may try to test linux-next with these patches on Linaro's board farm (Mostly ARM and X86).. https://lkml.org/lkml/2013/9/11/346 -- viresh Hans-Christian Egtvedt (1): cpufreq: at32ap: add frequency table Viresh Kumar (227): cpufreq: Remove extra blank line cpufreq: don't break string in print statements cpufreq: remove __cpufreq_remove_dev() cpufreq: Optimize cpufreq_frequency_table_verify() cpufreq: rename __cpufreq_set_policy() as cpufreq_set_policy() cpufreq: rewrite cpufreq_driver->flags using shift operator cpufreq: use cpufreq_driver->flags to mark CPUFREQ_HAVE_GOVERNOR_PER_POLICY cpufreq: add new routine cpufreq_verify_within_cpu_limits() cpufreq: Add new helper cpufreq_table_validate_and_show() cpufreq: pxa: call cpufreq_frequency_table_get_attr() cpufreq: s3cx4xx: call cpufreq_frequency_table_get_attr() cpufreq: sparc: call cpufreq_frequency_table_get_attr() cpufreq: acpi-cpufreq: use cpufreq_table_validate_and_show() cpufreq: arm_big_little: use cpufreq_table_validate_and_show() cpufreq: blackfin: use cpufreq_table_validate_and_show() cpufreq: cpufreq-cpu0: use cpufreq_table_validate_and_show() cpufreq: cris: use cpufreq_table_validate_and_show() cpufreq: davinci: use cpufreq_table_validate_and_show() cpufreq: dbx500: use cpufreq_table_validate_and_show() cpufreq: e_powersaver: use cpufreq_table_validate_and_show() cpufreq: elanfreq: use cpufreq_table_validate_and_show() cpufreq: exynos: use cpufreq_table_validate_and_show() cpufreq: ia64-acpi: use cpufreq_table_validate_and_show() cpufreq: imx6q: use cpufreq_table_validate_and_show() cpufreq: kirkwood: use cpufreq_table_validate_and_show() cpufreq: longhaul: use cpufreq_table_validate_and_show() cpufreq: loongson2: use cpufreq_table_validate_and_show() cpufreq: maple: use cpufreq_table_validate_and_show() cpufreq: omap: use cpufreq_table_validate_and_show() cpufreq: p4-clockmod: use cpufreq_table_validate_and_show() cpufreq: pasemi: use cpufreq_table_validate_and_show() cpufreq: pmac: use cpufreq_table_validate_and_show() cpufreq: powernow: use cpufreq_table_validate_and_show() cpufreq: ppc: use cpufreq_table_validate_and_show() cpufreq: pxa: use cpufreq_table_validate_and_show() cpufreq: s3cx4xx: use cpufreq_table_validate_and_show() cpufreq: s5pv210: use cpufreq_table_validate_and_show() cpufreq: sa11x0: Expose frequency table cpufreq: sa11x0: let cpufreq core initialize struct policy fields cpufreq: sc520: use cpufreq_table_validate_and_show() cpufreq: sh: use cpufreq_table_validate_and_show() cpufreq: sparc: use cpufreq_table_validate_and_show() cpufreq: spear: use cpufreq_table_validate_and_show() cpufreq: speedstep: use cpufreq_table_validate_and_show() cpufreq: tegra: use cpufreq_table_validate_and_show() cpufreq: tegra: fix implementation of ->exit() cpufreq: arm_big_little: call cpufreq_frequency_table_put_attr() cpufreq: blackfin: call cpufreq_frequency_table_put_attr() cpufreq: exynos: call cpufreq_frequency_table_put_attr() cpufreq: loongson2: call cpufreq_frequency_table_put_attr() cpufreq: omap: call cpufreq_frequency_table_put_attr() cpufreq: pxa: call cpufreq_frequency_table_put_attr() cpufreq: sparc: call cpufreq_frequency_table_put_attr() cpufreq: define generic .attr, .exit() and .verify() routines cpufreq: acpi: Use generic cpufreq routines cpufreq: arm_big_little: Use generic cpufreq routines cpufreq: at32ap: Use generic cpufreq routines cpufreq: blackfin: Use generic cpufreq routines cpufreq: cpu0: Use generic cpufreq routines cpufreq: cris: Use generic cpufreq routines cpufreq: davinci: Use generic cpufreq routines cpufreq: dbx500: Use generic cpufreq routines cpufreq: e_powersaver: Use generic cpufreq routines cpufreq: elanfreq: Use generic cpufreq routines cpufreq: exynos: Use generic cpufreq routines cpufreq: ia64-acpi: Use generic cpufreq routines cpufreq: imx6q: Use generic cpufreq routines cpufreq: kirkwood: Use generic cpufreq routines cpufreq: longhaul: Use generic cpufreq routines cpufreq: loongson2: Use generic cpufreq routines cpufreq: maple: Use generic cpufreq routines cpufreq: omap: Use generic cpufreq routines cpufreq: p4-clockmod: Use generic cpufreq routines cpufreq: pasemi: Use generic cpufreq routines cpufreq: pmac: Use generic cpufreq routines cpufreq: powernow: Use generic cpufreq routines cpufreq: ppc-corenet: Use generic cpufreq routines cpufreq: ppc_cbe: Use generic cpufreq routines cpufreq: pxa: Use generic cpufreq routines cpufreq: s3cx4xx: Use generic cpufreq routines cpufreq: s5pv210: Use generic cpufreq routines cpufreq: sa11x0: Use generic cpufreq routines cpufreq: sc520: Use generic cpufreq routines cpufreq: sh: Use generic cpufreq routines cpufreq: sparc: Use generic cpufreq routines cpufreq: spear: Use generic cpufreq routines cpufreq: speedstep: Use generic cpufreq routines cpufreq: tegra: Use generic cpufreq routines cpufreq: call cpufreq_driver->get() after calling ->init() cpufreq: acpi: don't initialize part of policy that is set by core too cpufreq: arm_big_little: don't initialize part of policy that is set by core too cpufreq: at32ap: don't initialize part of policy that is set by core too cpufreq: blackfin: don't initialize part of policy that is set by core too cpufreq: cpu0: don't initialize part of policy that is set by core too cpufreq: nforce2: don't initialize part of policy that is set by core too cpufreq: cris: don't initialize part of policy that is set by core too cpufreq: davinci: don't initialize part of policy that is set by core too cpufreq: dbx500: don't initialize part of policy that is set by core too cpufreq: e_powersaver: don't initialize part of policy that is set by core too cpufreq: elanfreq: don't initialize part of policy that is set by core too cpufreq: exynos: don't initialize part of policy that is set by core too cpufreq: gx: don't initialize part of policy that is set by core too cpufreq: ia64-acpi: don't initialize part of policy that is set by core too cpufreq: imx6q: don't initialize part of policy that is set by core too cpufreq: integrator: don't initialize part of policy that is set by core too cpufreq: kirkwood: don't initialize part of policy that is set by core too cpufreq: longhaul: don't initialize part of policy that is set by core too cpufreq: loongson2: don't initialize part of policy that is set by core too cpufreq: maple: don't initialize part of policy that is set by core too cpufreq: omap: don't initialize part of policy that is set by core too cpufreq: p4: don't initialize part of policy that is set by core too cpufreq: pcc: don't initialize part of policy that is set by core too cpufreq: pmac: don't initialize part of policy that is set by core too cpufreq: powernow: don't initialize part of policy that is set by core too cpufreq: ppc: don't initialize part of policy that is set by core too cpufreq: pxa: don't initialize part of policy that is set by core too cpufreq: s3c: don't initialize part of policy that is set by core too cpufreq: s5pv210: don't initialize part of policy that is set by core too cpufreq: sa11x0: don't initialize part of policy that is set by core too cpufreq: sc520_freq: don't initialize part of policy that is set by core too cpufreq: sh: don't initialize part of policy that is set by core too cpufreq: spear: don't initialize part of policy that is set by core too cpufreq: speedstep: don't initialize part of policy that is set by core too cpufreq: tegra: don't initialize part of policy that is set by core too cpufreq: unicore2: don't initialize part of policy that is set by core too cpufreq: create cpufreq_generic_init() routine cpufreq: remove CONFIG_CPU_FREQ_TABLE cpufreq: cpu0: use cpufreq_generic_init() routine cpufreq: cris: use cpufreq_generic_init() routine cpufreq: davinci: use cpufreq_generic_init() routine cpufreq: dbx500: use cpufreq_generic_init() routine cpufreq: exynos: use cpufreq_generic_init() routine cpufreq: imx6q: use cpufreq_generic_init() routine cpufreq: kirkwood: use cpufreq_generic_init() routine cpufreq: loongson2: use cpufreq_generic_init() routine cpufreq: maple: use cpufreq_generic_init() routine cpufreq: omap: use cpufreq_generic_init() routine cpufreq: pasemi: use cpufreq_generic_init() routine cpufreq: pmac32: use cpufreq_generic_init() routine cpufreq: pmac64: use cpufreq_generic_init() routine cpufreq: s3c: use cpufreq_generic_init() routine cpufreq: s5pv210: use cpufreq_generic_init() routine cpufreq: sa11x0: use cpufreq_generic_init() routine cpufreq: spear: use cpufreq_generic_init() routine cpufreq: tegra: use cpufreq_generic_init() routine cpufreq: Implement light weight ->target_index() routine cpufreq: acpi: Convert to light weight ->target_index() routine cpufreq: arm_big_little: Convert to light weight ->target_index() routine cpufreq: at32ap: Convert to light weight ->target_index() routine cpufreq: blackfin: Convert to light weight ->target_index() routine cpufreq: cpu0: Convert to light weight ->target_index() routine cpufreq: cris: Convert to light weight ->target_index() routine cpufreq: davinci: Convert to light weight ->target_index() routine cpufreq: dbx500: Convert to light weight ->target_index() routine cpufreq: e_powersaver: Convert to light weight ->target_index() routine cpufreq: elanfreq: Convert to light weight ->target_index() routine cpufreq: exynos: Convert to light weight ->target_index() routine cpufreq: ia64: Convert to light weight ->target_index() routine cpufreq: imx6q: Convert to light weight ->target_index() routine cpufreq: kirkwood: Convert to light weight ->target_index() routine cpufreq: longhaul: Convert to light weight ->target_index() routine cpufreq: loongson2: Convert to light weight ->target_index() routine cpufreq: maple: Convert to light weight ->target_index() routine cpufreq: omap: Convert to light weight ->target_index() routine cpufreq: p4: Convert to light weight ->target_index() routine cpufreq: pasemi: Convert to light weight ->target_index() routine cpufreq: pmac32: Convert to light weight ->target_index() routine cpufreq: powernow: Convert to light weight ->target_index() routine cpufreq: ppc: Convert to light weight ->target_index() routine cpufreq: pxa: Convert to light weight ->target_index() routine cpufreq: s3c2416: Convert to light weight ->target_index() routine cpufreq: s3c64xx: Convert to light weight ->target_index() routine cpufreq: s5pv210: Convert to light weight ->target_index() routine cpufreq: sa11x0: Convert to light weight ->target_index() routine cpufreq: sc520: Convert to light weight ->target_index() routine cpufreq: sparc: Convert to light weight ->target_index() routine cpufreq: SPEAr: Convert to light weight ->target_index() routine cpufreq: speedstep: Convert to light weight ->target_index() routine cpufreq: tegra: Convert to light weight ->target_index() routine cpufreq: move freq change notifications to cpufreq core cpufreq: acpi: remove calls to cpufreq_notify_transition() cpufreq: arm_big_little: remove calls to cpufreq_notify_transition() cpufreq: at32ap: remove calls to cpufreq_notify_transition() cpufreq: blackfin: remove calls to cpufreq_notify_transition() cpufreq: cpu0: remove calls to cpufreq_notify_transition() cpufreq: cris: remove calls to cpufreq_notify_transition() cpufreq: davinci: remove calls to cpufreq_notify_transition() cpufreq: dbx500: remove calls to cpufreq_notify_transition() cpufreq: e_powersaver: remove calls to cpufreq_notify_transition() cpufreq: elanfreq: remove calls to cpufreq_notify_transition() cpufreq: exynos: remove calls to cpufreq_notify_transition() cpufreq: ia64-acpi: remove calls to cpufreq_notify_transition() cpufreq: imx6q: remove calls to cpufreq_notify_transition() cpufreq: kirkwood: remove calls to cpufreq_notify_transition() cpufreq: loongson2: remove calls to cpufreq_notify_transition() cpufreq: maple: remove calls to cpufreq_notify_transition() cpufreq: omap: remove calls to cpufreq_notify_transition() cpufreq: p4-clockmod: remove calls to cpufreq_notify_transition() cpufreq: pasemi: remove calls to cpufreq_notify_transition() cpufreq: pmac: remove calls to cpufreq_notify_transition() cpufreq: ppc: remove calls to cpufreq_notify_transition() cpufreq: pxa: remove calls to cpufreq_notify_transition() cpufreq: s3c: remove calls to cpufreq_notify_transition() cpufreq: s5pv210: remove calls to cpufreq_notify_transition() cpufreq: sa11x0: remove calls to cpufreq_notify_transition() cpufreq: sc520: remove calls to cpufreq_notify_transition() cpufreq: sparc: remove calls to cpufreq_notify_transition() cpufreq: SPEAr: remove calls to cpufreq_notify_transition() cpufreq: speedstep: remove calls to cpufreq_notify_transition() cpufreq: tegra: remove calls to cpufreq_notify_transition() cpufreq: tegra: remove target_cpu_speed[] array cpufreq: create cpufreq_generic_get() routine cpufreq: arm_big_little: use cpufreq_generic_get() routine cpufreq: at32ap: use cpufreq_generic_get() routine cpufreq: cpu0: use cpufreq_generic_get() routine cpufreq: davinci: use cpufreq_generic_get() routine cpufreq: dbx500: use cpufreq_generic_get() routine cpufreq: exynos: use cpufreq_generic_get() routine cpufreq: imx6q: use cpufreq_generic_get() routine cpufreq: loongson2: use cpufreq_generic_get() routine cpufreq: omap: use cpufreq_generic_get() routine cpufreq: ppc: use cpufreq_generic_get() routine cpufreq: s3c: use cpufreq_generic_get() routine cpufreq: s5pv210: use cpufreq_generic_get() routine cpufreq: spear: use cpufreq_generic_get() routine cpufreq: tegra: use cpufreq_generic_get() routine cpufreq: unicore2: use cpufreq_generic_get() routine Documentation/cpu-freq/cpu-drivers.txt | 27 ++-- Documentation/cpu-freq/governors.txt | 4 +- arch/arm/mach-davinci/Kconfig | 1 - arch/arm/mach-pxa/Kconfig | 3 - arch/arm/mach-sa1100/generic.c | 81 +++--------- arch/arm/mach-sa1100/generic.h | 4 +- arch/arm/mach-ux500/Kconfig | 1 - arch/blackfin/Kconfig | 1 - arch/cris/Kconfig | 2 - drivers/cpufreq/Kconfig | 11 -- drivers/cpufreq/Kconfig.arm | 11 -- drivers/cpufreq/Kconfig.powerpc | 6 - drivers/cpufreq/Kconfig.x86 | 13 -- drivers/cpufreq/Makefile | 5 +- drivers/cpufreq/acpi-cpufreq.c | 45 ++----- drivers/cpufreq/arm_big_little.c | 75 ++---------- drivers/cpufreq/at32ap-cpufreq.c | 119 +++++++++--------- drivers/cpufreq/blackfin-cpufreq.c | 54 ++------ drivers/cpufreq/cpufreq-cpu0.c | 103 +++------------- drivers/cpufreq/cpufreq-nforce2.c | 5 +- drivers/cpufreq/cpufreq.c | 217 +++++++++++++++++++++++++-------- drivers/cpufreq/cpufreq_governor.h | 5 +- drivers/cpufreq/cris-artpec3-cpufreq.c | 64 +--------- drivers/cpufreq/cris-etraxfs-cpufreq.c | 61 +-------- drivers/cpufreq/davinci-cpufreq.c | 87 +++---------- drivers/cpufreq/dbx500-cpufreq.c | 97 ++------------- drivers/cpufreq/e_powersaver.c | 59 ++------- drivers/cpufreq/elanfreq.c | 88 ++----------- drivers/cpufreq/exynos-cpufreq.c | 93 +++----------- drivers/cpufreq/exynos5440-cpufreq.c | 84 ++++--------- drivers/cpufreq/freq_table.c | 59 ++++++--- drivers/cpufreq/gx-suspmod.c | 5 +- drivers/cpufreq/ia64-acpi-cpufreq.c | 71 +---------- drivers/cpufreq/imx6q-cpufreq.c | 99 ++++----------- drivers/cpufreq/integrator-cpufreq.c | 14 +-- drivers/cpufreq/intel_pstate.c | 4 +- drivers/cpufreq/kirkwood-cpufreq.c | 107 ++++------------ drivers/cpufreq/longhaul.c | 45 +------ drivers/cpufreq/longrun.c | 4 +- drivers/cpufreq/loongson2_cpufreq.c | 72 ++--------- drivers/cpufreq/maple-cpufreq.c | 56 +-------- drivers/cpufreq/omap-cpufreq.c | 158 ++++++------------------ drivers/cpufreq/p4-clockmod.c | 53 ++------ drivers/cpufreq/pasemi-cpufreq.c | 51 +------- drivers/cpufreq/pcc-cpufreq.c | 10 +- drivers/cpufreq/pmac32-cpufreq.c | 53 ++------ drivers/cpufreq/pmac64-cpufreq.c | 57 +-------- drivers/cpufreq/powernow-k6.c | 67 ++-------- drivers/cpufreq/powernow-k7.c | 42 ++----- drivers/cpufreq/powernow-k8.c | 53 ++------ drivers/cpufreq/ppc-corenet-cpufreq.c | 69 ++--------- drivers/cpufreq/ppc_cbe_cpufreq.c | 50 +------- drivers/cpufreq/pxa2xx-cpufreq.c | 70 +++-------- drivers/cpufreq/pxa3xx-cpufreq.c | 46 ++----- drivers/cpufreq/s3c2416-cpufreq.c | 67 ++-------- drivers/cpufreq/s3c24xx-cpufreq.c | 37 +----- drivers/cpufreq/s3c64xx-cpufreq.c | 108 +++++----------- drivers/cpufreq/s5pv210-cpufreq.c | 105 ++++------------ drivers/cpufreq/sa1100-cpufreq.c | 49 ++------ drivers/cpufreq/sa1110-cpufreq.c | 46 ++----- drivers/cpufreq/sc520_freq.c | 64 +--------- drivers/cpufreq/sh-cpufreq.c | 22 +--- drivers/cpufreq/sparc-us2e-cpufreq.c | 42 ++----- drivers/cpufreq/sparc-us3-cpufreq.c | 44 ++----- drivers/cpufreq/spear-cpufreq.c | 72 ++--------- drivers/cpufreq/speedstep-centrino.c | 81 ++---------- drivers/cpufreq/speedstep-ich.c | 85 ++----------- drivers/cpufreq/speedstep-smi.c | 76 ++---------- drivers/cpufreq/tegra-cpufreq.c | 114 ++++------------- drivers/cpufreq/unicore2-cpufreq.c | 26 ++-- drivers/thermal/Kconfig | 1 - include/linux/cpufreq.h | 59 ++++++--- 72 files changed, 922 insertions(+), 2917 deletions(-) -- 1.7.12.rc2.18.g61b472e

11 years, 8 months

11
269
0 0

Re: [RFC PATCH] ARM: Flush L2 cache on soft_restart

by Taras Kondratiuk

On 2 October 2013 20:31, Will Deacon <will.deacon(a)arm.com> wrote: > On Wed, Oct 02, 2013 at 06:19:30PM +0100, Taras Kondratiuk wrote: >> On 2 October 2013 15:49, Will Deacon <will.deacon(a)arm.com> wrote: >> > On Wed, Oct 02, 2013 at 12:34:16PM +0100, Taras Kondratiuk wrote: >> >> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c >> >> index 94f6b05..e359b62 100644 >> >> --- a/arch/arm/kernel/process.c >> >> +++ b/arch/arm/kernel/process.c >> >> @@ -103,9 +103,11 @@ void soft_restart(unsigned long addr) >> >> local_irq_disable(); >> >> local_fiq_disable(); >> >> >> >> - /* Disable the L2 if we're the last man standing. */ >> >> - if (num_online_cpus() == 1) >> >> + /* Flush and disable the L2 if we're the last man standing. */ >> >> + if (num_online_cpus() == 1) { >> >> + outer_flush_all(); >> >> outer_disable(); >> > >> > l2x0_disable already contains a flush, so this doesn't change anything. >> >> Unfortunately not everybody uses l2x0_disable(). >> SoC's that use SMC calls for L2 cache maintenance have its own implementation >> of outer_cache.disable which usually doesn't flush cache implicitly. > > In which case, we should probably fix the disabling code to make a flush > then update callers not to bother with redundant flushing. The flushing > during the disable code is likely required anyway if there's any > synchronisation going on. It makes sense, but a history of the current code looks a bit confusing. Implicit flush was added in l2x0_disable() as a "side effect" of commit 38a8914f9ac2379293944f613e6ca24b61373de8 "ARM: 6987/1: l2x0: fix disabling function to avoid deadlock", while initially disable was just a disable. Maybe it worth to explicitly document that .disable callback must flush cache? -- Regards, Taras Kondratiuk

11 years, 8 months

1
0
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-267-g6d15ee4)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-267-g6d15ee4 Commit: 6d15ee4928 Merge git://git.kernel.org/pub/scm/virt/kvm/kvm Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 18.2 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 29.8 sec omap3-beagle-xm PASS: 0 min 51.8 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.4 sec omap4-panda PASS: 1 min 6.7 sec omap4-panda-es PASS: 1 min 15.9 sec omap3-tobi,3730storm PASS: 0 min 41.1 sec omap3-beagle PASS: 0 min 51.0 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 49.2 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 0.2 sec omap4-panda-es PASS: 1 min 7.7 sec sun4i-a10-cubieboard PASS: 0 min 14.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.7 sec omap3-tobi,3530overo PASS: 0 min 40.7 sec am335x-bone PASS: 0 min 38.4 sec imx6q-wandboard PASS: 0 min 15.8 sec omap3-tobi,3730storm PASS: 0 min 40.1 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.8 sec omap3-beagle PASS: 0 min 48.3 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.9 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 17.7 sec

11 years, 8 months

1
0
0 0

[PATCH] linaro/configs: add hugepage config fragment

by Zi Shen Lim

Signed-off-by: Zi Shen Lim <zishen.lim(a)linaro.org> --- linaro/configs/hugepage.conf | 4 ++++ 1 file changed, 4 insertions(+) create mode 100644 linaro/configs/hugepage.conf diff --git a/linaro/configs/hugepage.conf b/linaro/configs/hugepage.conf new file mode 100644 index 0000000..731ab7d --- /dev/null +++ b/linaro/configs/hugepage.conf @@ -0,0 +1,4 @@ +CONFIG_HUGETLB_PAGE=y +CONFIG_HUGETLBFS=y +CONFIG_TRANSPARENT_HUGEPAGE=y +CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y -- 1.8.1.2

11 years, 8 months

3
2
0 0

[PATCH v2 0/3] arm, arm64: check for number of arguments in syscall_get/set_arguments()

by AKASHI Takahiro

# added Roland <mcgrathr@chromium> in CC for asm-generic/syscall.h I modified my patch based on Will's comments. Speaking of arm, i + n is checked against SYSCALL_MAX_ARGS (== 7), but it seems that the kernel code assumes that the current max number of arguments would be 6. For example, SYSCALL_DEFINEn are defined from 0 to 6. Am i wrong? Changes: * added a patch to arm as well * added a patch to asm-generic/syscall.h; corrected the description on syscall_get_arguments() and syscall_put_arguments() * removed portion of commit message which referred to asm-generic/syscall.h in arm64 AKASHI Takahiro (3): arm64: check for number of arguments in syscall_get/set_arguments() arm: check for number of arguments in syscall_get/set_arguments() asm-generic: syscall_get/set_arguments accept zero for number of arguments arch/arm/include/asm/syscall.h | 6 ++++++ arch/arm64/include/asm/syscall.h | 6 ++++++ include/asm-generic/syscall.h | 4 ++-- 3 files changed, 14 insertions(+), 2 deletions(-) -- 1.7.9.5

11 years, 8 months

2
7
0 0

[PATCH 00/21] CPUIdle: Minor cleanups for 3.13

by Viresh Kumar

Hi Rafael/Daniel, This is a small cleanup patchset for CPUIdle which can go in 3.13 if it looks okay to you guys.. Mostly trivial patches but few are doing good/significant changes. Tested on my thinkpad with suspend/resume and didn't found any broken stuff with it. I a not very sure about this patch (As I don't know about all aspects of CPUIdle framework): cpuidle: don't call poll_idle_init() for every cpu -- viresh Viresh Kumar (21): cpuidle: fix indentation of cpumask cpuidle: Fix comments in cpuidle core cpuidle: make __cpuidle_get_cpu_driver() inline cpuidle: make __cpuidle_device_init() return void cpuidle: make __cpuidle_driver_init() return void cpuidle: rearrange code in __cpuidle_driver_init() cpuidle: rearrange __cpuidle_register_device() to keep minimal exit points cpuidle: use cpuidle_disabled() instead of "off" cpuidle: merge two if() statements for checking error cases cpuidle: reduce code duplication inside cpuidle_idle_call() cpuidle: replace multiline statements with single line in cpuidle_idle_call() cpuidle: call cpuidle_get_driver() from after taking cpuidle_driver_lock cpuidle: use drv instead of cpuidle_driver in show_current_driver() cpuidle: coupled: don't compare cpu masks unnecessarily cpuidle: free all state kobjects from cpuidle_free_state_kobj() cpuidle: avoid unnecessary kzalloc/free of struct cpuidle_device_kobj cpuidle: avoid unnecessary kzalloc/free of struct cpuidle_driver_kobj cpuidle: don't call poll_idle_init() for every cpu cpuidle: create list of registered drivers cpuidle: don't calculate time-diff if entered_state == 0 cpuidle: change governor from within cpuidle_replace_governor() drivers/cpuidle/coupled.c | 9 +-- drivers/cpuidle/cpuidle.c | 95 +++++++------------------ drivers/cpuidle/driver.c | 171 ++++++++++++++++++++------------------------- drivers/cpuidle/governor.c | 24 +++---- drivers/cpuidle/sysfs.c | 74 +++++++------------- include/linux/cpuidle.h | 25 +++++-- 6 files changed, 161 insertions(+), 237 deletions(-) -- 1.7.12.rc2.18.g61b472e

11 years, 8 months

5
69
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-253-ge6e7fb1)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-253-ge6e7fb1 Commit: e6e7fb1ffc Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 17.9 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 29.8 sec omap3-beagle-xm PASS: 0 min 51.8 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.4 sec omap4-panda PASS: 1 min 6.1 sec omap4-panda-es PASS: 1 min 9.3 sec omap3-tobi,3730storm PASS: 0 min 41.1 sec omap3-beagle PASS: 0 min 55.1 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec imx6q-wandboard PASS: 0 min 14.9 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 50.2 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 0.9 sec omap4-panda-es PASS: 1 min 6.1 sec sun4i-a10-cubieboard PASS: 0 min 14.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.6 sec omap3-tobi,3530overo PASS: 0 min 40.8 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.8 sec omap3-tobi,3730storm PASS: 0 min 39.9 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.8 sec omap3-beagle PASS: 0 min 55.0 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.0 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.3 sec

11 years, 8 months

1
0
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-216-g164a2c5)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-216-g164a2c5 Commit: 164a2c5822 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 17.9 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.3 sec omap3-beagle-xm PASS: 0 min 52.5 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.5 sec omap4-panda PASS: 1 min 5.3 sec omap4-panda-es PASS: 1 min 7.6 sec omap3-tobi,3730storm PASS: 0 min 41.2 sec omap3-beagle PASS: 0 min 57.6 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.3 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 46.9 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 0.2 sec omap4-panda-es PASS: 1 min 4.0 sec sun4i-a10-cubieboard PASS: 0 min 11.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 40.9 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.5 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 1 min 1.4 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.6 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.7 sec

11 years, 8 months

1
0
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-211-g981d901)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-211-g981d901 Commit: 981d901095 Merge git://git.kvack.org/~bcrl/aio-next Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 18.3 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.0 sec omap3-beagle-xm PASS: 0 min 51.8 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.3 sec omap4-panda PASS: 1 min 6.5 sec omap4-panda-es PASS: 1 min 13.3 sec omap3-tobi,3730storm PASS: 0 min 41.0 sec omap3-beagle PASS: 0 min 51.2 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec imx6q-wandboard PASS: 0 min 14.9 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 39.6 sec omap3-beagle-xm PASS: 0 min 52.6 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 1.3 sec omap4-panda-es PASS: 1 min 4.0 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 41.1 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.6 sec omap3-tobi,3730storm PASS: 0 min 40.2 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 0 min 49.5 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.0 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 19.7 sec

11 years, 8 months

1
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[PATCH v5 0/4] Target CPU=Host implementation for KVM ARM/ARM64

by Anup Patel

It will be very useful for user space (QEMU/KVMTOOL) if it has a method of querying VCPU target type matching to underlying Host. We can use such querying mechanism and implement machine models in user space where VCPU target type is always same-as/similar-to underlying Host (i.e. Target CPU=Host). This patch series implements KVM_ARM_PREFERRED_TARGET vm ioclt for querying VCPU target type matching underlying host. Using this new ioctl we can implement VCPU target CPU=Host in user space. Also, it is not mandatory to call KVM_ARM_PREFERRED_TARGET vm ioctl and the old method of trying all possible target types using the KVM_ARM_VCPU_INIT ioctl to initialize VCPU works fine. V5: - Update documentation based on review comments V4: - Fixed files exchanged between patches - For now return zeroed features in struct kvm_vcpu_init instance V3: - Return -ENODEV if no preferred target available for host - Make KVM_ARM_PREFERRED_TARGET ioctl as vm ioctl V2: - Renamed the ioclt to KVM_ARM_PREFERRED_TARGET - Return struct kvm_vcpu_init instace instead of just target type V1: - Initial patch-set with ioctl named as KVM_ARM_SUITABLE_TARGET Anup Patel (4): ARM: KVM: Implement kvm_vcpu_preferred_target() function ARM64: KVM: Implement kvm_vcpu_preferred_target() function ARM/ARM64: KVM: Implement KVM_ARM_PREFERRED_TARGET ioctl KVM: Add documentation for KVM_ARM_PREFERRED_TARGET ioctl Documentation/virtual/kvm/api.txt | 31 +++++++++++++++++++++++++++---- arch/arm/include/asm/kvm_host.h | 1 + arch/arm/kvm/arm.c | 13 +++++++++++++ arch/arm/kvm/guest.c | 20 ++++++++++++++++++++ arch/arm64/include/asm/kvm_host.h | 1 + arch/arm64/kvm/guest.c | 20 ++++++++++++++++++++ include/uapi/linux/kvm.h | 1 + 7 files changed, 83 insertions(+), 4 deletions(-) -- 1.7.9.5

11 years, 8 months

3
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0 0

[PATCH] arm64: check for number of arguments in syscall_get/set_arguments()

by AKASHI Takahiro

In ftrace_syscall_enter(), syscall_get_arguments(..., 0, n, ...) if (i == 0) { <handle orig_x0> ...; n--;} memcpy(..., n * sizeof(args[0])); If 'number of arguments(n)' is zero and 'argument index(i)' is also zero in syscall_get_arguments(), none of arguments should be copied by memcpy(). Otherwise 'n--' can be a big positive number and unexpected amount of data will be copied. Tracing system calls which take no argument, say sync(void), may hit this case and eventually make the system corrupted. This patch fixes the issue both in syscall_get_arguments() and syscall_set_arguments(). Please note, however, that asm-generic/syscall.h says, * syscall_get_arguments - extract system call parameter values * @i: argument index [0,5] * @n: number of arguments; n+i must be [1,6]. and so we'd better change the caller's code(ftrace_syscall_enter). Signed-off-by: AKASHI Takahiro <takahiro.akashi(a)linaro.org> --- arch/arm64/include/asm/syscall.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index c89821f..01bb8cc 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -63,6 +63,9 @@ static inline void syscall_get_arguments(struct task_struct *task, unsigned int i, unsigned int n, unsigned long *args) { + if (n == 0) + return; + if (i + n > SYSCALL_MAX_ARGS) { unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i; unsigned int n_bad = n + i - SYSCALL_MAX_ARGS; @@ -86,6 +89,9 @@ static inline void syscall_set_arguments(struct task_struct *task, unsigned int i, unsigned int n, const unsigned long *args) { + if (n == 0) + return; + if (i + n > SYSCALL_MAX_ARGS) { pr_warning("%s called with max args %d, handling only %d\n", __func__, i + n, SYSCALL_MAX_ARGS); -- 1.7.9.5

11 years, 8 months

2
3
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[PATCH] tick: make sleep length calculation more accurate

by Daniel Lezcano

The sleep_length is computed in the tick_nohz_stop_sched_tick function but it is used later in the code with in between the local irq enabled. cpu_idle_loop tick_nohz_idle_enter [ exits with local irq enabled ] __tick_nohz_idle_enter tick_nohz_stop_sched_tick ... arch_cpu_idle menu_select [ uses here 'sleep_length' ] ... Between the computation of the sleep length and its usage, some interrupts can occur, making the sleep length shorter than actually it is. This patch fixes that by moving the sleep_length computation in the tick_nohz_get_sleep_length function and store the next_event for the device instead of the sleep_length. Signed-off-by: Daniel Lezcano <daniel.lezcano(a)linaro.org> --- include/linux/tick.h | 2 +- kernel/time/tick-sched.c | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/include/linux/tick.h b/include/linux/tick.h index 5128d33..4932004 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -67,7 +67,7 @@ struct tick_sched { ktime_t idle_exittime; ktime_t idle_sleeptime; ktime_t iowait_sleeptime; - ktime_t sleep_length; + ktime_t next_event; unsigned long last_jiffies; unsigned long next_jiffies; ktime_t idle_expires; diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 3612fc7..2007a7f 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -673,7 +673,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts, out: ts->next_jiffies = next_jiffies; ts->last_jiffies = last_jiffies; - ts->sleep_length = ktime_sub(dev->next_event, now); + ts->next_event = dev->next_event; return ret; } @@ -837,8 +837,9 @@ void tick_nohz_irq_exit(void) ktime_t tick_nohz_get_sleep_length(void) { struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); + ktime_t now = ktime_get(); - return ts->sleep_length; + return ktime_sub(ts->next_event, now); } static void tick_nohz_restart(struct tick_sched *ts, ktime_t now) -- 1.7.9.5

11 years, 8 months

2
2
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-186-gc31eeac)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-186-gc31eeac Commit: c31eeaced2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 17.9 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.0 sec omap3-beagle-xm PASS: 0 min 51.8 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.7 sec omap4-panda PASS: 1 min 6.2 sec omap4-panda-es PASS: 1 min 12.8 sec omap3-tobi,3730storm PASS: 0 min 41.4 sec omap3-beagle PASS: 0 min 51.4 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec imx6q-wandboard PASS: 0 min 15.1 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 52.5 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 4.4 sec omap4-panda-es PASS: 1 min 4.4 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec omap3-tobi,3530overo PASS: 0 min 40.7 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.4 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 0 min 49.2 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.0 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.4 sec

11 years, 8 months

1
0
0 0

linus/master boot: 23 pass, 0 fail (v3.12-rc1-219-gb75ff5e)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc1-219-gb75ff5e Commit: b75ff5e84b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Full Report =========== arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-omap2plus_defconfig ----------------------- omap3-beagle-xm PASS: 0 min 51.9 sec am335x-bone PASS: 0 min 26.4 sec omap3-tobi,3530overo PASS: 0 min 42.3 sec omap4-panda PASS: 1 min 2.2 sec omap4-panda-es PASS: 1 min 15.1 sec omap3-tobi,3730storm PASS: 0 min 44.4 sec omap3-beagle PASS: 0 min 51.1 sec arm-multi_v7_defconfig ---------------------- omap4-panda-es PASS: 1 min 14.0 sec omap3-beagle-xm PASS: 0 min 51.8 sec am335x-bone PASS: 0 min 33.4 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 40.7 sec omap4-panda PASS: 0 min 59.2 sec imx6q-wandboard PASS: 0 min 15.8 sec omap3-tobi,3730storm PASS: 0 min 40.4 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 0 min 49.7 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.5 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.9 sec

11 years, 8 months

2
1
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-70-g517bf8f)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-70-g517bf8f Commit: 517bf8fc21 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 19.5 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.3 sec omap3-beagle-xm PASS: 0 min 51.9 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.5 sec omap4-panda PASS: 1 min 5.2 sec omap4-panda-es PASS: 1 min 8.8 sec omap3-tobi,3730storm PASS: 0 min 41.2 sec omap3-beagle PASS: 0 min 55.9 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec imx6q-wandboard PASS: 0 min 14.9 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 48.8 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 0 min 59.3 sec omap4-panda-es PASS: 1 min 6.5 sec sun4i-a10-cubieboard PASS: 0 min 11.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec omap3-tobi,3530overo PASS: 0 min 43.9 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.6 sec omap3-tobi,3730storm PASS: 0 min 40.6 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec omap3-beagle PASS: 0 min 53.8 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.0 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.4 sec

11 years, 8 months

1
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Re: [LNG] [PATCH] linaro/configs: add hugepage support into linaro-base

by Kim Phillips

On Mon, 30 Sep 2013 12:00:36 -0700 Zi Shen Lim <zishen.lim(a)linaro.org> wrote: > On Mon, Sep 30, 2013 at 12:03 PM, Anders Roxell > <anders.roxell(a)linaro.org> wrote: > > Hi, > > > > On 2013-09-30 11:48, Zi Shen Lim wrote: > >> Signed-off-by: Zi Shen Lim <zishen.lim(a)linaro.org> > >> --- > >> linaro/configs/linaro-base.conf | 4 ++++ > >> 1 file changed, 4 insertions(+) > >> > >> diff --git a/linaro/configs/linaro-base.conf b/linaro/configs/linaro-base.conf > >> index 947ca1f..0093640 100644 > >> --- a/linaro/configs/linaro-base.conf > >> +++ b/linaro/configs/linaro-base.conf > >> @@ -92,3 +92,7 @@ CONFIG_HW_PERF_EVENTS=y > >> CONFIG_FUNCTION_TRACER=y > >> CONFIG_ENABLE_DEFAULT_TRACERS=y > >> CONFIG_PROC_DEVICETREE=y > >> +CONFIG_HUGETLB_PAGE=y > >> +CONFIG_HUGETLBFS=y > >> +CONFIG_TRANSPARENT_HUGEPAGE=y > >> +CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y > > This CONFIG_* fragments are already in linaro/configs/linaro-base64.conf > > right? > > > > Isn't linaro-base64.conf meant for ARMv8? > > We need hugepage support on existing 32-bit / ARMv7 platforms too, don't we? [adding linaro-kernel, Andrey] Yes, it seems the base64 component is a misnomer, at least for now. Meanwhile, if this patch is targeted to the main linaro kernel, please send via the linaro-kernel list, cc'ing linaro-networking. If not, then perhaps a separate .conf file is in order? Anyway, I think we'd all prefer a resolution within the main linaro kernel for hugepage support. > > and we are building with it in our ci/job/linux-lng* scripts... perhaps those should be patched as well. Kim

11 years, 8 months

3
3
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-65-gf927318)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-65-gf927318 Commit: f927318840 Merge tag 'nfs-for-3.12-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 18.0 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.0 sec omap3-beagle-xm PASS: 0 min 49.4 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.3 sec omap4-panda PASS: 1 min 7.0 sec omap4-panda-es PASS: 1 min 10.1 sec omap3-tobi,3730storm PASS: 0 min 41.1 sec omap3-beagle PASS: 0 min 52.0 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.3 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec imx6q-wandboard PASS: 0 min 15.1 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.2 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 48.6 sec armada-370-mirabox PASS: 0 min 19.5 sec omap4-panda PASS: 1 min 2.6 sec omap4-panda-es PASS: 1 min 5.6 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 41.1 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.4 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec omap3-beagle PASS: 0 min 53.7 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.6 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.2 sec

11 years, 8 months

1
0
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-59-g522d6d3)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-59-g522d6d3 Commit: 522d6d38f8 Merge branch 'akpm' (fixes from Andrew Morton) Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 17.9 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.3 sec omap3-beagle-xm PASS: 0 min 51.6 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.4 sec omap4-panda PASS: 1 min 3.8 sec omap4-panda-es PASS: 1 min 15.0 sec omap3-tobi,3730storm PASS: 0 min 41.1 sec omap3-beagle PASS: 0 min 49.2 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.2 sec imx6q-wandboard PASS: 0 min 15.1 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 49.9 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 1.8 sec omap4-panda-es PASS: 1 min 5.6 sec sun4i-a10-cubieboard PASS: 0 min 14.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec omap3-tobi,3530overo PASS: 0 min 44.0 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 39.9 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 0 min 54.1 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.8 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.4 sec

11 years, 8 months

1
0
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3-36-gdf532d5)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-36-gdf532d5 Commit: df532d54d0 Merge tag 'regulator-v3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 18.0 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 29.8 sec omap3-beagle-xm PASS: 0 min 51.4 sec am335x-bone PASS: 0 min 31.3 sec omap3-tobi,3530overo PASS: 0 min 42.4 sec omap4-panda PASS: 1 min 6.3 sec omap4-panda-es PASS: 1 min 9.4 sec omap3-tobi,3730storm PASS: 0 min 41.1 sec omap3-beagle PASS: 0 min 49.9 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.3 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec imx6q-wandboard PASS: 0 min 14.9 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 50.6 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 0 min 58.4 sec omap4-panda-es PASS: 1 min 17.4 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec omap3-tobi,3530overo PASS: 0 min 40.7 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.6 sec omap3-tobi,3730storm PASS: 0 min 40.3 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 0 min 49.9 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.0 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.3 sec

11 years, 8 months

1
0
0 0

linus/master boot: 29 pass, 2 fail (v3.12-rc3-14-g5c282e8)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3-14-g5c282e8 Commit: 5c282e858f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32 Failed boot tests (console logs at the end) =========================================== am335x-bone: FAIL: arm-omap2plus_defconfig armada-370-mirabox: FAIL: arm-mvebu_defconfig Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 18.0 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.4 sec omap3-beagle-xm PASS: 1 min 24.1 sec omap4-panda-es PASS: 1 min 20.6 sec am335x-bone FAIL: 0 min 50.3 sec omap3-tobi,3530overo PASS: 0 min 42.4 sec omap4-panda PASS: 1 min 5.6 sec am335xbone PASS: 0 min 25.4 sec omap3-tobi,3730storm PASS: 0 min 41.2 sec omap3-beagle PASS: 1 min 0.2 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec imx6q-wandboard PASS: 0 min 15.1 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.2 sec am335x-boneblack PASS: 0 min 34.7 sec omap3-beagle-xm PASS: 0 min 51.8 sec armada-370-mirabox PASS: 0 min 19.5 sec omap4-panda PASS: 0 min 58.5 sec omap4-panda-es PASS: 1 min 6.6 sec sun4i-a10-cubieboard PASS: 0 min 11.7 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec omap3-tobi,3530overo PASS: 0 min 41.0 sec am335x-bone PASS: 0 min 33.5 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.3 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.8 sec omap3-beagle PASS: 0 min 56.5 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.0 sec arm-mvebu_defconfig ------------------- mirabox PASS: 0 min 16.9 sec armada-370-mirabox FAIL: 0 min 26.1 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.2 sec Console logs for failures ========================= arm-omap2plus_defconfig ----------------------- am335x-bone: FAIL: last 24 lines of boot log: --------------------------------------------- [ 2.024427] tps65217 0-0024: TPS65217 ID 0xf version 1.1 [ 2.096982] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6 [ 2.103428] davinci_mdio 4a101000.mdio: detected phy mask fffffffe [ 2.113581] libphy: 4a101000.mdio: probed [ 2.117987] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720 [ 2.128217] Random MACID = 82:52:35:e8:61:0d [ 2.139545] omap_rtc 44e3e000.rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [ 2.151735] net eth0: initializing cpsw version 1.12 (0) [ 2.159965] net eth0: phy found : id is : 0x7c0f1 [ 2.164972] libphy: PHY 4a101000.mdio:01 not found [ 2.170082] net eth0: phy 4a101000.mdio:01 not found on slave 1 [ 5.237514] libphy: 4a101000.mdio:00 - Link is Up - 100/Half [ 5.257563] IP-Config: Complete: [ 5.260992] device=eth0, hwaddr=82:52:35:e8:61:0d, ipaddr=192.168.1.174, mask=255.255.255.0, gw=192.168.1.254 [ 5.271971] host=192.168.1.174, domain=, nis-domain=(none) [ 5.278287] bootserver=192.168.1.2, rootserver=192.168.1.2, rootpath= [ 5.285341] nameserver0=192.168.1.254 [ 5.315472] VFS: Mounted root (nfs filesystem) readonly on device 0:12. [ 5.324921] devtmpfs: mounted [ 5.329211] Freeing unused kernel memory: 380K (c0723000 - c0782000) ~$off # PYBOOT: Exception: ERROR: Timeout waiting for command: printenv bootargs. # PYBOOT: Time: 50.27 seconds. # PYBOOT: Result: FAIL arm-mvebu_defconfig ------------------- armada-370-mirabox: FAIL: last 24 lines of boot log: ---------------------------------------------------- can't open /dev/null: No such file or directory Starting logging: OK Starting network... mount: mounting none on /sys/kernel/debug failed: No such file or directory /bin/sh: can't access tty; job control turned off / # usb 1-1: new high-speed USB device number 2 using orion-ehci hub 1-1:1.0: USB hub found hub 1-1:1.0: 4 ports detected usb 1-1.1: new high-speed USB device number 3 using orion-ehci usb-storage 1-1.1:1.0: USB Mass Storage device detected usb-storage 1-1.1:1.0: Quirks match for vid 05e3 pid 0723: 8000 scsi0 : usb-storage 1-1.1:1.0 usb 1-1.2: new high-speed USB device number 4 using orion-ehci usb-storage 1-1.2:1.0: USB Mass Storage device detected usb-storage 1-1.2:1.0: Quirks match for vid 05e3 pid 0723: 8000 scsi1 : usb-storage 1-1.2:1.0 scsi 0:0:0:0: Direct-Access Generic STORAGE DEVICE 9451 PQ: 0 ANSI: 0 sd 0:0:0:0: [sda] Attached SCSI removable disk scsi 1:0:0:0: Direct-Access Generic STORAGE DEVICE 9451 PQ: 0 ANSI: 0 sd 1:0:0:0: [sdb] Attached SCSI removable disk ~$off # PYBOOT: Exception: kernel: ERROR: did not start booting. # PYBOOT: Time: 26.15 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

1
0
0 0

linus/master boot: 28 pass, 1 fail (v3.12-rc2-245-g30ceb4e)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc2-245-g30ceb4e Commit: 30ceb4ec33 Merge tag 'usb-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Failed boot tests (console logs at the end) =========================================== tegra30-beaver: FAIL: arm-tegra_defconfig Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver FAIL: 0 min 46.3 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 29.6 sec omap3-beagle-xm PASS: 0 min 51.5 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.5 sec omap4-panda PASS: 1 min 6.5 sec omap4-panda-es PASS: 1 min 11.5 sec omap3-tobi,3730storm PASS: 0 min 41.1 sec omap3-beagle PASS: 0 min 56.1 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.3 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 51.4 sec armada-370-mirabox PASS: 0 min 19.5 sec omap4-panda PASS: 0 min 59.8 sec omap4-panda-es PASS: 1 min 6.5 sec sun4i-a10-cubieboard PASS: 0 min 11.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 40.9 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.1 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 0 min 51.1 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.9 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.2 sec Console logs for failures ========================= arm-tegra_defconfig ------------------- tegra30-beaver: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 3.644614] tegra-ehci 7d008000.usb: irq 129, io mem 0x7d008000 [ 3.663633] tegra-ehci 7d008000.usb: USB 2.0 started, EHCI 1.00 [ 3.670147] hub 1-0:1.0: USB hub found [ 3.673928] hub 1-0:1.0: 1 port detected [ 3.678675] tegra_rtc 7000e000.rtc: setting system clock to 1970-01-01 00:00:12 UTC (12) [ 3.687009] ALSA device list: [ 3.689967] #0: NVIDIA Tegra Beaver [ 3.693969] Freeing unused kernel memory: 232K (c0742000 - c077c000) Starting logging: OK Initializing random number generator... done. Starting network... /bin/sh: can't access tty; job control turned off / # cat /proc/cmdline cat /proc/cmdline console=ttyS0,115200n8 debug earlyprintk / # uname -r uname -r 3.12.0-rc2-00245-g30ceb4e / # [ 3.993683] usb 1-1: new high-speed USB device number 2 using tegra-ehci [ 4.485573] asix 1-1:1.0 eth1: register 'asix' at usb-7d008000.usb-1, ASIX AX88772 USB 2.0 Ethernet, b8:8d:12:55:d1:b9 ~$off # PYBOOT: Exception: ERROR: Timeout waiting for command: uname -r. # PYBOOT: Time: 46.30 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

4
6
0 0

[PATCH v2 0/4] perf: parse the dwarf backtrace info from .debug_frame section

by Jean Pihet

On ARM the debug info is not present in the .eh_frame sections but in .debug_frame instead, in dwarf format. This patch set uses libunwind to load and parse the dwarf debug info from the .debug_frame section if no .eh_frame_hdr section is found; also it sets the hooks in the perf_regs and libunwind code for ARMv7. Dependencies: . if present, libunwind >= 1.1 is needed to prevent a segfault when parsing the dwarf info, . libunwind needs to be configured with --enable-debug-frame to prevent a linkage error. Note: --enable-debug-frame is automatically selected on ARM). The generated perf has been tested on ARMv7 (OMAP4, Marvell Armada XP) and x86_64, using the following commands: perf record -g [dwarf] -- <binary> perf report --sort symbol --call-graph --stdio Jean Pihet (2): perf tools: Check libunwind for availability of dwarf parsing feature perf: parse the .debug_frame section in case .eh_frame is not present Will Deacon (2): ARM: perf: add support for perf registers API ARM: perf: wire up perf_regs and unwind support for ARM arch/arm/Kconfig | 2 + arch/arm/include/uapi/asm/Kbuild | 1 + arch/arm/include/uapi/asm/perf_regs.h | 23 +++++++++++ arch/arm/kernel/Makefile | 1 + arch/arm/kernel/perf_regs.c | 30 ++++++++++++++ tools/perf/arch/arm/Makefile | 3 ++ tools/perf/arch/arm/include/perf_regs.h | 54 +++++++++++++++++++++++++ tools/perf/arch/arm/util/unwind.c | 48 ++++++++++++++++++++++ tools/perf/config/Makefile | 7 +++- tools/perf/config/feature-tests.mak | 11 ++++- tools/perf/util/unwind.c | 71 +++++++++++++++++++++++++-------- 11 files changed, 232 insertions(+), 19 deletions(-) create mode 100644 arch/arm/include/uapi/asm/perf_regs.h create mode 100644 arch/arm/kernel/perf_regs.c create mode 100644 tools/perf/arch/arm/include/perf_regs.h create mode 100644 tools/perf/arch/arm/util/unwind.c -- 1.7.11.7

11 years, 8 months

4
15
0 0

[PATCH 0/4] driver core: Introduce initcall_driver() to eliminate boilerplate code

by Hanjun Guo

Lots of device drivers especially for platform/I2C/SPI bus devices, they want to be initialized earlier than other devices, so the driver use initcall such as subsys_initcall for the device initialization. But for those drivers, lots of them just do nothing special in xxx_initcall/module_exit, and produce lots of boilerplate. This patch set introduces a helper macro initcall_driver() to eliminate lots of boilerplate just like module_driver() did, and use it for platform/I2C/SPI bus devices. I use following command under the lastest kernel source code: $grep -r -E "*_initcall" drivers/ | cut -d":" -f1 |xargs grep -E "return platform_driver_register|return i2c_add_driver|return spi_register_driver" | cut -d":" -f1 | xargs grep "module_exit" | wc -l and get 205 hits, so if we use helper macro initcall_driver(), we can reduce thousands lines of code. Hanjun Guo (4): driver core: introduce helper macro initcall_driver() platform device: introduce helper macro initcall_platform_driver() i2c: introduce helper macro initcall_i2c_driver() spi: introduce helper macro initcall_spi_driver() include/linux/device.h | 27 +++++++++++++++++++++++++++ include/linux/i2c.h | 11 +++++++++++ include/linux/platform_device.h | 11 +++++++++++ include/linux/spi/spi.h | 11 +++++++++++ 4 files changed, 60 insertions(+) -- 1.7.9.5

11 years, 8 months

3
8
0 0

[PATCH] KVM: ARM: arch_timer: Initialize cntvoff at vcpu_init

by Christoffer Dall

Initialize the cntvoff at vcpu_init time, not before running the VCPUs at the first time because that will overwrite any potentially restored values from user space. Signed-off-by: Christoffer Dall <christoffer.dall(a)linaro.org> --- virt/kvm/arm/arch_timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 8168437..2f6b5fe 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -181,6 +181,7 @@ void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu) INIT_WORK(&timer->expired, kvm_timer_inject_irq_work); hrtimer_init(&timer->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); timer->timer.function = kvm_timer_expire; + vcpu->kvm->arch.timer.cntvoff = kvm_phys_timer_read(); } static void kvm_timer_init_interrupt(void *info) @@ -282,7 +283,6 @@ void kvm_timer_vcpu_terminate(struct kvm_vcpu *vcpu) int kvm_timer_init(struct kvm *kvm) { if (timecounter && wqueue) { - kvm->arch.timer.cntvoff = kvm_phys_timer_read(); kvm->arch.timer.enabled = 1; } -- 1.7.10.4

11 years, 8 months

2
2
0 0

next/master boot: 26 pass, 3 fail (next-20130927)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: next/master Git describe: next-20130927 Commit: a0cf1abc25 Add linux-next specific files for 20130927 Failed boot tests (console logs at the end) =========================================== armada-370-mirabox: FAIL: arm-multi_v7_defconfig armada-370-mirabox: FAIL: arm-mvebu_defconfig sama5d35ek: FAIL: arm-sama5_defconfig Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 17.9 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.0 sec omap3-beagle-xm PASS: 0 min 49.8 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.3 sec omap4-panda PASS: 1 min 2.6 sec omap4-panda-es PASS: 1 min 10.4 sec omap3-tobi,3730storm PASS: 0 min 41.2 sec omap3-beagle PASS: 0 min 52.5 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.3 sec imx6q-wandboard PASS: 0 min 15.1 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 51.8 sec armada-370-mirabox FAIL: 0 min 30.6 sec omap4-panda PASS: 1 min 1.2 sec omap4-panda-es PASS: 1 min 11.4 sec sun4i-a10-cubieboard PASS: 0 min 11.7 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec omap3-tobi,3530overo PASS: 0 min 40.7 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 39.7 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 0 min 53.5 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.1 sec arm-mvebu_defconfig ------------------- armada-370-mirabox FAIL: 0 min 30.6 sec arm-sama5_defconfig ------------------- sama5d35ek FAIL: 0 min 13.8 sec Console logs for failures ========================= arm-multi_v7_defconfig ---------------------- armada-370-mirabox: FAIL: last 24 lines of boot log: ---------------------------------------------------- Connected to mirabox console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(mirabox console)> hardreset (user:jenkins) Reboot mirabox Reboot: mirabox ; ip9258 1 1 : off, sleep, on ~$off # PYBOOT: Exception: ERROR: Could not break into autoboot. # PYBOOT: Time: 30.59 seconds. # PYBOOT: Result: FAIL arm-mvebu_defconfig ------------------- armada-370-mirabox: FAIL: last 24 lines of boot log: ---------------------------------------------------- Connected to mirabox console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset cu: write: Input/output error Connected. cu: waitpid: No child processes Command(mirabox console)> hardreset (user:jenkins) Reboot mirabox Connected. Disconnected. Reboot: mirabox ; ip9258 1 1 : off, sleep, on ~$off # PYBOOT: Exception: ERROR: Could not break into autoboot. # PYBOOT: Time: 30.59 seconds. # PYBOOT: Result: FAIL arm-sama5_defconfig ------------------- sama5d35ek: FAIL: last 24 lines of boot log: -------------------------------------------- Process swapper (pid: 1, stack limit = 0xdf854238) Stack: (0xdf855eb8 to 0xdf856000) 5ea0: 00000000 00000000 5ec0: c0538618 c0529a34 c0260628 c051dc20 df854000 c0508484 00000000 c051dc50 5ee0: 00000000 c052f2c8 00000006 c0529a34 c0564b80 c0008780 df83e1c0 c00cbc20 5f00: c056ca4c df83e1c0 c03caf00 00000010 c0564b80 c04e46d0 00000000 00000001 5f20: c098d215 c03df988 0000007d c002fd60 c0564b80 c04e46d0 c04a6dd0 c04e3f00 5f40: 00000006 00000006 00000000 c052f2c8 00000006 c0529a34 c0564b80 0000007d 5f60: c0529a40 c0508484 00000000 c0508ad0 00000006 00000006 c0508484 fff7cfb7 5f80: b4dff7fc c4edfdeb 00000000 c03c01e8 00000000 00000000 00000000 00000000 5fa0: 00000000 c03c01f0 00000000 c000e2d8 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 eaeecabe f7a1c7bd [<c025d5b4>] (ohci_init_driver+0xa8/0x100) from [<c051dc50>] (ohci_at91_init+0x30/0x84) [<c051dc50>] (ohci_at91_init+0x30/0x84) from [<c0008780>] (do_one_initcall+0xec/0x148) [<c0008780>] (do_one_initcall+0xec/0x148) from [<c0508ad0>] (kernel_init_freeable+0xe8/0x1b0) [<c0508ad0>] (kernel_init_freeable+0xe8/0x1b0) from [<c03c01f0>] (kernel_init+0x8/0xe4) [<c03c01f0>] (kernel_init+0x8/0xe4) from [<c000e2d8>] (ret_from_fork+0x14/0x3c) Code: e5840048 e584104c e5842050 e5843054 (e5953000) ---[ end trace 2ce01bf77138c668 ]--- Kernel panic -~$off # PYBOOT: Exception: kernel: ERROR: failed to boot: Kernel panic # PYBOOT: Time: 13.85 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

3
2
0 0

[PATCH v4 0/4] Target CPU=Host implementation for KVM ARM/ARM64

by Anup Patel

It will be very useful for user space (QEMU/KVMTOOL) if it has a method of querying VCPU target type matching to underlying Host. We can use such querying mechanism and implement machine models in user space where VCPU target type is always same-as/similar-to underlying Host (i.e. Target CPU=Host). This patch series implements KVM_ARM_PREFERRED_TARGET vm ioclt for querying VCPU target type matching underlying host. Using this new ioctl we can implement VCPU target CPU=Host in user space. Also, it is not mandatory to call KVM_ARM_PREFERRED_TARGET vm ioctl and the old method of trying all possible target types using the KVM_ARM_VCPU_INIT ioctl to initialize VCPU works fine. V4: - Fixed files exchanged between patches - For now return zeroed features in struct kvm_vcpu_init instance V3: - Return -ENODEV if no preferred target available for host - Make KVM_ARM_PREFERRED_TARGET ioctl as vm ioctl V2: - Renamed the ioclt to KVM_ARM_PREFERRED_TARGET - Return struct kvm_vcpu_init instace instead of just target type V1: - Initial patch-set with ioctl named as KVM_ARM_SUITABLE_TARGET Anup Patel (4): ARM: KVM: Implement kvm_vcpu_preferred_target() function ARM64: KVM: Implement kvm_vcpu_preferred_target() function ARM/ARM64: KVM: Implement KVM_ARM_PREFERRED_TARGET ioctl KVM: Add documentation for KVM_ARM_PREFERRED_TARGET ioctl Documentation/virtual/kvm/api.txt | 27 +++++++++++++++++++++++---- arch/arm/include/asm/kvm_host.h | 1 + arch/arm/kvm/arm.c | 13 +++++++++++++ arch/arm/kvm/guest.c | 20 ++++++++++++++++++++ arch/arm64/include/asm/kvm_host.h | 1 + arch/arm64/kvm/guest.c | 20 ++++++++++++++++++++ include/uapi/linux/kvm.h | 1 + 7 files changed, 79 insertions(+), 4 deletions(-) -- 1.7.9.5

11 years, 8 months

4
11
0 0

[PATCH 00/10] Convert to module_platform_driver() in video driver

by Hanjun Guo

This patch set just did one simple thing: convert to module_platform_driver() in video driver to simplify the code. Hanjun Guo (10): Video / hecubafb: Use module_platform_driver() to simplify code Video / bfin-t350mcqb-fb: Use module_platform_driver() to simplify code Video / metronomefb: Use module_platform_driver() to simplify code Video / jz4740_fb: Use module_platform_driver() to simplify code Video / da8xx-fb: Use module_platform_driver() to simplify code Video / cobalt_lcdfb: Use module_platform_driver() to simplify code Video / broadsheetfb: Use module_platform_driver() to simplify code Video / bf54x-lq043fb: Use module_platform_driver() to simplify code Video / au1200fb: Use module_platform_driver() to simplify code Video / au1100fb: Use module_platform_driver() to simplify code drivers/video/au1100fb.c | 14 +------------- drivers/video/au1200fb.c | 16 +--------------- drivers/video/bf54x-lq043fb.c | 14 +------------- drivers/video/bfin-t350mcqb-fb.c | 14 +------------- drivers/video/broadsheetfb.c | 14 +------------- drivers/video/cobalt_lcdfb.c | 14 +------------- drivers/video/da8xx-fb.c | 14 +------------- drivers/video/hecubafb.c | 14 +------------- drivers/video/jz4740_fb.c | 13 +------------ drivers/video/metronomefb.c | 14 +------------- 10 files changed, 10 insertions(+), 131 deletions(-) -- 1.7.9.5

11 years, 8 months

2
11
0 0

linus/master boot: 29 pass, 0 fail (v3.12-rc3)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc3 Commit: 15c03dd485 Linux 3.12-rc3 Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver PASS: 0 min 17.9 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.3 sec omap3-beagle-xm PASS: 0 min 52.5 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.4 sec omap4-panda PASS: 1 min 7.4 sec omap4-panda-es PASS: 1 min 10.3 sec omap3-tobi,3730storm PASS: 0 min 41.4 sec omap3-beagle PASS: 1 min 1.5 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.2 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.0 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 48.0 sec armada-370-mirabox PASS: 0 min 19.5 sec omap4-panda PASS: 1 min 0.9 sec omap4-panda-es PASS: 1 min 9.7 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 40.8 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 39.8 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 1 min 2.4 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 30.0 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.6 sec

11 years, 8 months

1
0
0 0

linus/master boot: 27 pass, 2 fail (v3.12-rc2-193-gcac6653)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc2-193-gcac6653 Commit: cac6653529 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Failed boot tests (console logs at the end) =========================================== tegra30-beaver: FAIL: arm-tegra_defconfig tegra30-beaver: FAIL: arm-multi_v7_defconfig Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver FAIL: 0 min 46.3 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 29.8 sec omap3-beagle-xm PASS: 0 min 51.9 sec am335x-bone PASS: 0 min 31.3 sec omap3-tobi,3530overo PASS: 0 min 42.3 sec omap4-panda PASS: 1 min 10.0 sec omap4-panda-es PASS: 1 min 14.3 sec omap3-tobi,3730storm PASS: 0 min 41.2 sec omap3-beagle PASS: 1 min 2.0 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec imx6q-wandboard PASS: 0 min 15.1 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver FAIL: 2 min 13.2 sec am335x-boneblack PASS: 0 min 39.6 sec omap3-beagle-xm PASS: 0 min 52.0 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 1.4 sec omap4-panda-es PASS: 1 min 8.2 sec sun4i-a10-cubieboard PASS: 0 min 14.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec omap3-tobi,3530overo PASS: 0 min 41.0 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 39.9 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 1 min 5.6 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.9 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.4 sec Console logs for failures ========================= arm-tegra_defconfig ------------------- tegra30-beaver: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 3.644436] tegra-ehci 7d008000.usb: irq 129, io mem 0x7d008000 [ 3.663503] tegra-ehci 7d008000.usb: USB 2.0 started, EHCI 1.00 [ 3.670014] hub 1-0:1.0: USB hub found [ 3.673794] hub 1-0:1.0: 1 port detected [ 3.678542] tegra_rtc 7000e000.rtc: setting system clock to 1970-01-01 00:00:12 UTC (12) [ 3.686878] ALSA device list: [ 3.689836] #0: NVIDIA Tegra Beaver [ 3.693839] Freeing unused kernel memory: 232K (c0742000 - c077c000) Starting logging: OK Initializing random number generator... done. Starting network... /bin/sh: can't access tty; job control turned off / # cat /proc/cmdline cat /proc/cmdline console=ttyS0,115200n8 debug earlyprintk / # uname -r uname -r 3.12.0-rc2-00193-gcac6653 / # [ 3.993551] usb 1-1: new high-speed USB device number 2 using tegra-ehci [ 4.485511] asix 1-1:1.0 eth1: register 'asix' at usb-7d008000.usb-1, ASIX AX88772 USB 2.0 Ethernet, b8:8d:12:55:d1:b9 ~$off # PYBOOT: Exception: ERROR: Timeout waiting for command: uname -r. # PYBOOT: Time: 46.29 seconds. # PYBOOT: Result: FAIL arm-multi_v7_defconfig ---------------------- tegra30-beaver: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 1.524125] platform 1.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.532193] platform 2.regulator: Driver reg-fixed-voltage requests probe deferral /bin/sh: can't access tty; job control tu[ 1.540086] platform 6.regulator: Driver reg-fixed-voltage requests probe deferral rned off / # [ 1.551208] sys_3v3_pexs: 3300 mV [ 1.555574] reg-fixed-voltage 7.regulator: Failed to find supply vin [ 1.561967] reg-fixed-voltage 7.regulator: Failed to register regulator: -517 [ 1.569122] platform 7.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.576929] tegra-hdmi 54280000.hdmi: failed to get VDD regulator [ 1.583013] platform 54280000.hdmi: Driver tegra-hdmi requests probe deferral [ 1.703066] usb 1-1: new high-speed USB device number 2 using tegra-ehci [ 1.871639] platform 1.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.879387] platform 2.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.887094] platform 6.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.894852] sys_3v3_pexs: 3300 mV [ 1.898264] reg-fixed-voltage 7.regulator: Failed to find supply vin [ 1.904661] reg-fixed-voltage 7.regulator: Failed to register regulator: -517 [ 1.911783] platform 7.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.919549] tegra-hdmi 54280000.hdmi: failed to get VDD regulator [ 1.925646] platform 54280000.hdmi: Driver tegra-hdmi requests probe deferral ~$off # PYBOOT: Exception: userspace: ERROR: Never found root shell # PYBOOT: Time: 133.20 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

1
0
0 0

[PATCH 1/2] ide / au1xxx-ide: Use module_platform_driver() to simplify code

by Hanjun Guo

Convert to module_platform_driver() to simplify code. Signed-off-by: Hanjun Guo <hanjun.guo(a)linaro.org> --- drivers/ide/au1xxx-ide.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c index 259786c..bdaf8a5 100644 --- a/drivers/ide/au1xxx-ide.c +++ b/drivers/ide/au1xxx-ide.c @@ -591,19 +591,7 @@ static struct platform_driver au1200_ide_driver = { .probe = au_ide_probe, .remove = au_ide_remove, }; - -static int __init au_ide_init(void) -{ - return platform_driver_register(&au1200_ide_driver); -} - -static void __exit au_ide_exit(void) -{ - platform_driver_unregister(&au1200_ide_driver); -} +module_paltform_driver(au1200_ide_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("AU1200 IDE driver"); - -module_init(au_ide_init); -module_exit(au_ide_exit); -- 1.7.9.5

11 years, 8 months

1
1
0 0

Please help! Can't build correct kernel for 13.07 linaro-ubuntu on pandaboard

by Chao Xu

Hi, I tried to build linaro kernel for pandaboard. I have tried everything what I can think of but the kernel still can't boot correctly. Any help will be appreciated. Here is what I did: 1. I flash the 13.07 linaro-ubuntu-pandaboard image into the sd card ( http://releases.linaro.org/13.07/ubuntu/panda). This image works fine. 2. I clone the kernel source code from git:// git.linaro.org/kernel/linux-linaro-stable.git. 3. checkout the lsk 13.07 tag. 4. copy the config file from original image (i.e. /boot/config-3.10.1.0-1-linaro-omap). 5. make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- CFLAGS="-O" LOADADDR=0x80008000 uImage The cross compiler on my machine is gcc-4.7-arm-linux-gnueabihf-base 6. From pandaboard, I load the built uImage via scp. The problem I met: 1. In most cases, the kernel can't boot correctly. And the terminal keeps printing "hub 1-1:1.0: hub_port_status failed (err = -71)". 2.Sometime, the kernel can finish booting. But the terminal prints for several times the aforementioned error message after booting. Plus, I don't have any module running, 'lsmod' shows nothing. Please help! Thank you. -- Regards, Chao Xu

11 years, 8 months

1
0
0 0

linus/master boot: 27 pass, 2 fail (v3.12-rc2-160-g669fc2f)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc2-160-g669fc2f Commit: 669fc2f0c7 Merge branches 'sched-urgent-for-linus', 'timers-urgent-for-linus' and 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Failed boot tests (console logs at the end) =========================================== tegra30-beaver: FAIL: arm-tegra_defconfig tegra30-beaver: FAIL: arm-multi_v7_defconfig Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver FAIL: 0 min 46.3 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.3 sec omap3-beagle-xm PASS: 0 min 52.5 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.5 sec omap4-panda PASS: 1 min 5.4 sec omap4-panda-es PASS: 1 min 8.1 sec omap3-tobi,3730storm PASS: 0 min 41.2 sec omap3-beagle PASS: 0 min 56.5 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver FAIL: 0 min 43.3 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 54.8 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 2.9 sec omap4-panda-es PASS: 1 min 8.1 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 40.8 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.5 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 1 min 19.7 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.9 sec arm-mvebu_defconfig ------------------- armada-370-mirabox PASS: 0 min 19.3 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.7 sec Console logs for failures ========================= arm-tegra_defconfig ------------------- tegra30-beaver: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 3.644351] tegra-ehci 7d008000.usb: irq 129, io mem 0x7d008000 [ 3.663573] tegra-ehci 7d008000.usb: USB 2.0 started, EHCI 1.00 [ 3.670086] hub 1-0:1.0: USB hub found [ 3.673868] hub 1-0:1.0: 1 port detected [ 3.678619] tegra_rtc 7000e000.rtc: setting system clock to 1970-01-01 00:00:12 UTC (12) [ 3.686957] ALSA device list: [ 3.689915] #0: NVIDIA Tegra Beaver [ 3.693922] Freeing unused kernel memory: 232K (c0742000 - c077c000) Starting logging: OK Initializing random number generator... done. Starting network... /bin/sh: can't access tty; job control turned off / # cat /proc/cmdline cat /proc/cmdline console=ttyS0,115200n8 debug earlyprintk / # uname -r uname -r 3.12.0-rc2-00160-g669fc2f / # [ 3.993623] usb 1-1: new high-speed USB device number 2 using tegra-ehci [ 4.485546] asix 1-1:1.0 eth1: register 'asix' at usb-7d008000.usb-1, ASIX AX88772 USB 2.0 Ethernet, b8:8d:12:55:d1:b9 ~$off # PYBOOT: Exception: ERROR: Timeout waiting for command: uname -r. # PYBOOT: Time: 46.32 seconds. # PYBOOT: Result: FAIL arm-multi_v7_defconfig ---------------------- tegra30-beaver: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 1.664767] mmcblk1boot1: unknown partition table [ 1.672172] mmcblk1boot0: unknown partition table [ 1.677260] platform 1.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.685124] platform 2.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.692823] platform 6.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.700618] sys_3v3_pexs: 3300 mV [ 1.704076] reg-fixed-voltage 7.regulator: Failed to find supply vin [ 1.710464] reg-fixed-voltage 7.regulator: Failed to register regulator: -517 [ 1.717600] platform 7.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.725389] tegra-hdmi 54280000.hdmi: failed to get VDD regulator [ 1.731473] platform 54280000.hdmi: Driver tegra-hdmi requests probe deferral [ 1.821567] platform 1.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.829302] platform 2.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.837009] platform 6.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.844765] sys_3v3_pexs: 3300 mV [ 1.848175] reg-fixed-voltage 7.regulator: Failed to find supply vin [ 1.854570] reg-fixed-voltage 7.regulator: Failed to register regulator: -517 [ 1.861693] platform 7.regulator: Driver reg-fixed-voltage requests probe deferral [ 1.869456] tegra-hdmi 54280000.hdmi: failed to get VDD regulator [ 1.875553] platform 54280000.hdmi: Driver tegra-hdmi requests probe deferral ~$off # PYBOOT: Exception: ERROR: Timeout waiting for command: cat /proc/cmdline. # PYBOOT: Time: 43.33 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

1
0
0 0

[PATCH] ASoC: si476x: Remove custom register I/O implementation

by Mark Brown

From: Mark Brown <broonie(a)linaro.org> The current si476x I/O implementation wraps the regmap for the core with functions that make the register map cache only when the device is powered down. This implementation appears to be incomplete since there is no code to synchronise the cache so writes done while the core is powered down will be ignored, the device will only be configured if it is powered. A better and more idiomatic approach would be to have the MFD manage the cache, making the device cache only when it powers things down. This also allows ASoC to use the standard regmap helpers for the device which helps remove the ASoC custom ones so do convert to do that. Signed-off-by: Mark Brown <broonie(a)linaro.org> --- sound/soc/codecs/si476x.c | 46 +--------------------------------------------- 1 file changed, 1 insertion(+), 45 deletions(-) diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c index 38f3b10..ec29d26 100644 --- a/sound/soc/codecs/si476x.c +++ b/sound/soc/codecs/si476x.c @@ -60,48 +60,6 @@ enum si476x_pcm_format { SI476X_PCM_FORMAT_S24_LE = 6, }; -static unsigned int si476x_codec_read(struct snd_soc_codec *codec, - unsigned int reg) -{ - int err; - unsigned int val; - struct si476x_core *core = codec->control_data; - - si476x_core_lock(core); - if (!si476x_core_is_powered_up(core)) - regcache_cache_only(core->regmap, true); - - err = regmap_read(core->regmap, reg, &val); - - if (!si476x_core_is_powered_up(core)) - regcache_cache_only(core->regmap, false); - si476x_core_unlock(core); - - if (err < 0) - return err; - - return val; -} - -static int si476x_codec_write(struct snd_soc_codec *codec, - unsigned int reg, unsigned int val) -{ - int err; - struct si476x_core *core = codec->control_data; - - si476x_core_lock(core); - if (!si476x_core_is_powered_up(core)) - regcache_cache_only(core->regmap, true); - - err = regmap_write(core->regmap, reg, val); - - if (!si476x_core_is_powered_up(core)) - regcache_cache_only(core->regmap, false); - si476x_core_unlock(core); - - return err; -} - static const struct snd_soc_dapm_widget si476x_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("LOUT"), SND_SOC_DAPM_OUTPUT("ROUT"), @@ -239,7 +197,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream, static int si476x_codec_probe(struct snd_soc_codec *codec) { - codec->control_data = i2c_mfd_cell_to_core(codec->dev); + codec->control_data = dev_get_regmap(codec->dev.parent); return 0; } @@ -268,8 +226,6 @@ static struct snd_soc_dai_driver si476x_dai = { static struct snd_soc_codec_driver soc_codec_dev_si476x = { .probe = si476x_codec_probe, - .read = si476x_codec_read, - .write = si476x_codec_write, .dapm_widgets = si476x_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(si476x_dapm_widgets), .dapm_routes = si476x_dapm_routes, -- 1.8.4.rc3

11 years, 8 months

2
12
0 0

[PATCH] KVM: ARM: arch_timer: Add comment about timer mask

by Christoffer Dall

It is quite subtle why we mask the timer on behalf of the guest when then guest has programmed the timer and it fires and is handled on the host. Add a comment to that effect. Signed-off-by: Christoffer Dall <christoffer.dall(a)linaro.org> --- virt/kvm/arm/arch_timer.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index c2e1ef4..8168437 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -63,6 +63,12 @@ static void kvm_timer_inject_irq(struct kvm_vcpu *vcpu) { struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu; + /* + * Mask the virtual timer, because otherwise, the guest would never + * execute its interrupt handler because the virtual timer interrupt + * would continously preempt guest execution as the hardware interrupt + * traps to Hyp mode. + */ timer->cntv_ctl |= ARCH_TIMER_CTRL_IT_MASK; kvm_vgic_inject_irq(vcpu->kvm, vcpu->vcpu_id, timer->irq->irq, -- 1.7.10.4

11 years, 8 months

1
0
0 0

linus/master boot: 26 pass, 3 fail (v3.12-rc2-108-g6cac446)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: linus/master Git describe: v3.12-rc2-108-g6cac446 Commit: 6cac446bd3 Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Failed boot tests (console logs at the end) =========================================== tegra30-beaver: FAIL: arm-tegra_defconfig omap3-beagle: FAIL: arm-multi_v7_defconfig armada-370-mirabox: FAIL: arm-mvebu_defconfig Full Report =========== arm-tegra_defconfig ------------------- tegra30-beaver FAIL: 0 min 46.3 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 30.5 sec omap3-beagle-xm PASS: 0 min 51.5 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.4 sec omap4-panda PASS: 1 min 5.5 sec omap4-panda-es PASS: 1 min 14.0 sec omap3-tobi,3730storm PASS: 0 min 41.4 sec omap3-beagle PASS: 0 min 49.3 sec arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.2 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-multi_v7_defconfig ---------------------- tegra30-beaver PASS: 0 min 15.1 sec am335x-boneblack PASS: 0 min 34.6 sec omap3-beagle-xm PASS: 0 min 51.7 sec armada-370-mirabox PASS: 0 min 19.4 sec omap4-panda PASS: 1 min 1.0 sec omap4-panda-es PASS: 1 min 6.2 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 44.0 sec am335x-bone PASS: 0 min 38.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 39.8 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.7 sec omap3-beagle FAIL: 1 min 47.0 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 39.6 sec arm-mvebu_defconfig ------------------- armada-370-mirabox FAIL: 0 min 21.1 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.4 sec Console logs for failures ========================= arm-tegra_defconfig ------------------- tegra30-beaver: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 3.637500] tegra-ehci 7d008000.usb: irq 129, io mem 0x7d008000 [ 3.653508] tegra-ehci 7d008000.usb: USB 2.0 started, EHCI 1.00 [ 3.660018] hub 1-0:1.0: USB hub found [ 3.663800] hub 1-0:1.0: 1 port detected [ 3.668561] tegra_rtc 7000e000.rtc: setting system clock to 1970-01-01 00:00:12 UTC (12) [ 3.676899] ALSA device list: [ 3.679857] #0: NVIDIA Tegra Beaver [ 3.683859] Freeing unused kernel memory: 232K (c0742000 - c077c000) Starting logging: OK Initializing random number generator... done. Starting network... /bin/sh: can't access tty; job control turned off / # cat /proc/cmdline cat /proc/cmdline console=ttyS0,115200n8 debug earlyprintk / # uname -r uname -r 3.12.0-rc2-00108-g6cac446 / # [ 3.983585] usb 1-1: new high-speed USB device number 2 using tegra-ehci [ 4.475446] asix 1-1:1.0 eth1: register 'asix' at usb-7d008000.usb-1, ASIX AX88772 USB 2.0 Ethernet, b8:8d:12:55:d1:b9 ~$off # PYBOOT: Exception: ERROR: Timeout waiting for command: uname -r. # PYBOOT: Time: 46.31 seconds. # PYBOOT: Result: FAIL arm-multi_v7_defconfig ---------------------- omap3-beagle: FAIL: last 24 lines of boot log: ---------------------------------------------- Waiting for Ethernet connection... done. Using asx0 device TFTP from server 192.168.1.2; our IP address is 192.168.1.164 Filename 'tmp/3530beagle-o80l_u/zImage'. Load address: 0x80200000 Loading: *T ########T T T T Abort OMAP3 beagleboard.org # tftp 0x80200000 tmp/3530beagle-o80l_u/zImage tftp 0x80200000 tmp/3530beagle-o80l_u/zImage EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008d80 ERROR: Need valid 'usbnet_devaddr' to be set at ether.c:2369/usb_eth_init() OMAP3 beagleboard.org # tftp 0x80200000 tmp/3530beagle-o80l_u/zImage <INTERRUPT> OMAP3 beagleboard.org # tftp 0x80200000 tmp/3530beagle-o80l_u/zImage EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008d80 ERROR: Need valid 'usbnet_devaddr' to be set at ether.c:2369/usb_eth_init() OMAP3 beagleboard.org # ~$off # PYBOOT: Exception: ERROR: Timeout loading tmp/3530beagle-o80l_u/zImage. Giving up. # PYBOOT: Time: 106.97 seconds. # PYBOOT: Result: FAIL arm-mvebu_defconfig ------------------- armada-370-mirabox: FAIL: last 24 lines of boot log: ---------------------------------------------------- Image Name: Linux Created: 2013-09-27 20:26:52 UTC Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 2655641 Bytes = 2.5 MB Load Address: 00008000 Entry Point: 00008000 Verifying Checksum ... OK ## Loading init Ramdisk from Legacy Image at 03000000 ... Image Name: Created: 2013-09-07 5:02:12 UTC Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 639744 Bytes = 624.8 kB Load Address: 81000000 Entry Point: 81000000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... ~$off # PYBOOT: Exception: kernel: ERROR: did not start booting. # PYBOOT: Time: 21.12 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

1
0
0 0

[PATCH 1/6] spi/s3c64xx: Flush FIFOs prior to cleaning up transfer

by Mark Brown

From: Mark Brown <broonie(a)linaro.org> Ensure that the FIFOs are fully drained before we deassert /CS or do any delays that have been requested in order to ensure that the behaviour visible on the bus matches that which was requested by the caller. Signed-off-by: Mark Brown <broonie(a)linaro.org> --- drivers/spi/spi-s3c64xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 229c6b9..2e267ce 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -960,6 +960,8 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, goto out; } + flush_fifo(sdd); + if (xfer->delay_usecs) udelay(xfer->delay_usecs); @@ -972,8 +974,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, } msg->actual_length += xfer->len; - - flush_fifo(sdd); } out: -- 1.8.4.rc3

11 years, 8 months

1
5
0 0

[PATCH/CDF RFC v3 0/3] Migrate CDFv3 into pl111 drm/kms driver

by Show Liu

Hi all, This series patches base on Tom's "Initial drm/kms driver for pl111"[1] with linaro release 13.07 and migrate the CDFv3 for evaluation. please notes that I set VGA as default output and tested on RTSM only. [1] http://lwn.net/Articles/561344/ Cheers, Show Liu Show Liu (3): Add display entities and pipe link for pl111 Add display entity and set VGA output(site MB) as default add pipe link for display entity arch/arm/boot/dts/rtsm_ve-motherboard.dtsi | 46 +++ arch/arm/boot/dts/rtsm_ve-v2p-ca15x1-ca7x1.dts | 4 + drivers/gpu/drm/pl111/pl111_drm.h | 23 +- drivers/gpu/drm/pl111/pl111_drm_device.c | 374 ++++++++++++++++++++++-- drivers/video/vexpress-dvi.c | 94 +++++- 5 files changed, 503 insertions(+), 38 deletions(-) -- 1.7.9.5

11 years, 8 months

1
3
0 0

[PATCH V5 0/9] USB: OHCI: more bus glues as separate modules

by Manjunath Goudar

These patches are for separating the SOC On-Chip ohci host controller from ohci-hcd host code and making per SOC driver module similar to EHCI module available in the kernel. This work is part of enabling multi-platform kernel on ARM. Before I was sending three different ohci patch set as below. 1. Six series patch set is having exynos, omap, omap3, spear, at91 and s3c2410. 2. ohci-nxp a separate driver patch. 3. Two series patch set is having ep93xx and pxa27x. In this patch set all three previous ohci series have been combined into single series as all these patches are related to OHCI. This patch series is rebased on greghk/usb-next 3.12 rc1. Manjunath Goudar (9): USB: OHCI: make ohci-exynos a separate driver USB: OHCI: make ohci-omap a separate driver USB: OHCI: make ohci-omap3 a separate driver USB: OHCI: make ohci-spear a separate driver USB: OHCI: make ohci-at91 a separate driver USB: OHCI: make ohci-s3c2410 a separate driver USB: OHCI: make ohci-nxp a separate driver USB: OHCI: make ohci-ep93xx a separate driver USB: OHCI: make ohci-pxa27x a separate driver drivers/usb/host/Kconfig | 56 ++++++++- drivers/usb/host/Makefile | 9 ++ drivers/usb/host/ohci-at91.c | 156 ++++++++++++------------- drivers/usb/host/ohci-ep93xx.c | 72 +++++------- drivers/usb/host/ohci-exynos.c | 167 +++++++++++---------------- drivers/usb/host/ohci-hcd.c | 149 ------------------------ drivers/usb/host/ohci-nxp.c | 123 ++++++++------------ drivers/usb/host/ohci-omap.c | 156 +++++++++---------------- drivers/usb/host/ohci-omap3.c | 118 +++++++------------ drivers/usb/host/ohci-pxa27x.c | 240 +++++++++++++++++---------------------- drivers/usb/host/ohci-s3c2410.c | 128 ++++++++++----------- drivers/usb/host/ohci-spear.c | 140 +++++++++-------------- 12 files changed, 587 insertions(+), 927 deletions(-) -- 1.7.9.5

11 years, 8 months

5
16
0 0

Re: [PATCH] spi/s3c64x: Ensure runtime PM is enabled prior to registration

by Sylwester Nawrocki

On 27/09/13 12:53, Mark Brown wrote: > From: Mark Brown <broonie(a)linaro.org> > > Otherwise we may try to start transfers immediately and then fail to > runtime resume the device causing us not to have clocks enabled. > > Signed-off-by: Mark Brown <broonie(a)linaro.org> Reviewed-by: Sylwester Nawrocki <s.nawrocki(a)samsung.com> There is only a small typo in the subject line, thanks.

11 years, 8 months

1
0
0 0

[PATCH v2 0/8] Support VGIC save/restore using device control API

by Christoffer Dall

Implement save/restore of the VGIC state using the newer KVM Device Control API. This requries some number of changes to existing code in addition to actually supporting save/restore of the necessary state. The first patches (01-03) support creating the VGIC using the Device Control API. This change is necessary because there are no other suitable KVM APIs that we can leverage to access the VGIC state from user space and the device control API was crafted exactly for this purpose. Subsequent patches add the missing infrastructure and user space API pieces necessary to actually save and restore the VGIC state. The GIC v2.0 architecture specification already specifies registers that can be used to save and restore the complete VGIC state for suspend/resume purposes on real hardware, and we can resuse this interface for the VGIC. The API is therefore based on the memory-mapped register accesses defined in the specs. See the individual patches for details. The patches are based on kvm-arm-next: git://git.linaro.org/people/cdall/linux-kvm-arm.git kvm-arm-next This patch series based on the above can be cloned from: git://git.linaro.org/people/cdall/linux-kvm-arm.git vgic-migrate-v2 User space patches for QEMU also posted on the list. Tested on Versatile Express TC2. Changelogs in the individual patches. Christoffer Dall (8): ARM: KVM: Allow creating the VGIC after VCPUs KVM: arm-vgic: Support KVM_CREATE_DEVICE for VGIC KVM: arm-vgic: Set base addr through device API irqchip: arm-gic: Define additional MMIO offsets and masks KVM: arm-vgic: Make vgic mmio functions more generic KVM: arm-vgic: Add vgic reg access from dev attr KVM: arm-vgic: Add GICD_SPENDSGIR and GICD_CPENDSGIR handlers KVM: arm-vgic: Support CPU interface reg access Documentation/virtual/kvm/api.txt | 6 +- Documentation/virtual/kvm/devices/arm-vgic.txt | 71 ++++ arch/arm/include/uapi/asm/kvm.h | 8 + arch/arm/kvm/arm.c | 10 +- include/kvm/arm_vgic.h | 2 +- include/linux/irqchip/arm-gic.h | 14 + include/linux/kvm_host.h | 1 + include/uapi/linux/kvm.h | 1 + virt/kvm/arm/vgic.c | 494 ++++++++++++++++++++++-- virt/kvm/kvm_main.c | 5 + 10 files changed, 580 insertions(+), 32 deletions(-) create mode 100644 Documentation/virtual/kvm/devices/arm-vgic.txt -- 1.7.10.4

11 years, 8 months

1
8
0 0

dead lock issue on upstream perf.

by Alex Shi

When I run perf command on my pandaboard es with upstream kernel 3.12-rc2 kernel. my kernel dump some ops once. but hard to reproduce this issue. Anyone has interesting on this? $sudo ~/bin/perf record -e cpu-clock -e task-clock -e page-faults -e cs -g -a dd if=/dev/mmcblk0p1 of=/dev/null 147424+0 records in 147424+0 records out 75481088 bytes (75 MB) copied, 3.70752 s, 20.4 MB/s [ perf record: Woken up 26 times to write data ] [ perf record: Captured and wrote 6.715 MB perf.data (~293383 samples) ] and dmesg show: [25429.818237] hrtimer: interrupt took 183106 ns [25430.221008] [25430.221405] ============================================= [25430.228149] [ INFO: possible recursive locking detected ] [25430.234100] 3.12.0-rc2 #2 Not tainted [25430.237945] --------------------------------------------- [25430.243743] perf/7789 is trying to acquire lock: [25430.246154] (&mm->mmap_sem){++++++}, at: [<c053578c>] do_page_fault.part.9+0x8c/0x3bc [25430.246154] [25430.246154] but task is already holding lock: [25430.263305] (&mm->mmap_sem){++++++}, at: [<c0535770>] do_page_fault.part.9+0x70/0x3bc [25430.271759] [25430.271759] other info that might help us debug this: [25430.278594] Possible unsafe locking scenario: [25430.278594] [25430.284820] CPU0 [25430.287567] ---- [25430.290008] lock(&mm->mmap_sem); [25430.293762] lock(&mm->mmap_sem); [25430.297424] [25430.297424] *** DEADLOCK *** [25430.297424] [25430.303588] May be due to missing lock nesting notation [25430.303588] [25430.310943] 5 locks held by perf/7789: [25430.314788] #0: (sb_writers#7){.+.+.+}, at: [<c0114400>] vfs_write+0x174/0x188 [25430.322753] #1: (&sb->s_type->i_mutex_key#9){+.+.+.}, at: [<c00d91e4>] generic_file_aio_write+0x44/0xa0 [25430.333038] #2: (&mm->mmap_sem){++++++}, at: [<c0535770>] do_page_fault.part.9+0x70/0x3bc [25430.341888] #3: (rcu_read_lock){.+.+.+}, at: [<c00d3904>] __perf_sw_event+0x24/0x204 [25430.350402] #4: (rcu_read_lock){.+.+.+}, at: [<c00d2b14>] __perf_event_overflow+0x128/0x2b4 [25430.359344] [25430.359344] stack backtrace: [25430.364135] CPU: 1 PID: 7789 Comm: perf Not tainted 3.12.0-rc2 #2 [25430.370513] [<c001c7b0>] (unwind_backtrace+0x0/0x130) from [<c00187f8>] (show_stack+0x10/0x14) [25430.377624] [<c00187f8>] (show_stack+0x10/0x14) from [<c052dcd0>] (dump_stack+0x78/0x94) [25430.388336] [<c052dcd0>] (dump_stack+0x78/0x94) from [<c009fa8c>] (__lock_acquire+0x14d0/0x1b8c) [25430.397125] [<c009fa8c>] (__lock_acquire+0x14d0/0x1b8c) from [<c00a0694>] (lock_acquire+0x9c/0x104) [25430.407348] [<c00a0694>] (lock_acquire+0x9c/0x104) from [<c05314c8>] (down_read+0x30/0x40) [25430.415344] [<c05314c8>] (down_read+0x30/0x40) from [<c053578c>] (do_page_fault.part.9+0x8c/0x3bc) [25430.425567] [<c053578c>] (do_page_fault.part.9+0x8c/0x3bc) from [<c0535b30>] (do_page_fault+0x74/0x84) [25430.435607] [<c0535b30>] (do_page_fault+0x74/0x84) from [<c000839c>] (do_DataAbort+0x34/0x98) [25430.444335] [<c000839c>] (do_DataAbort+0x34/0x98) from [<c0533ea4>] (__dabt_svc+0x44/0x80) [25430.453460] Exception stack(0xedf0b9a0 to 0xedf0b9e8) [25430.458831] b9a0: edf0ba14 0007ca5c ffffffec 00000000 0000007e 00000000 ede0d000 0007ca5c -- Thanks Alex

11 years, 8 months

2
1
0 0

[PATCH 0/8] Support VGIC save/restore using device control API

by Christoffer Dall

Implement save/restore of the VGIC state using the newer KVM Device Control API. This requries some number of changes to existing code in addition to actually supporting save/restore of the necessary state. The first patches (01-03) support creating the VGIC using the Device Control API. This change is necessary because there are no other suitable KVM APIs that we can leverage to access the VGIC state from user space and the device control API was crafted exactly for this purpose. Subsequent patches add the missing infrastructure and user space API pieces necessary to actually save and restore the VGIC state. The GIC v2.0 architecture specification already specifies registers that can be used to save and restore the complete VGIC state for suspend/resume purposes on real hardware, and we can resuse this interface for the VGIC. The API is therefore based on the memory-mapped register accesses defined in the specs. See the individual patches for details. The patches rely on a number of small fixes sent separately to actually work: git://git.linaro.org/people/cdall/linux-kvm-arm.git vgic-migrate-prereq This patch series based on the above can be cloned from: git://git.linaro.org/people/cdall/linux-kvm-arm.git vgic-migrate User space patches for QEMU will follow shortly. Tested on Versatile Express TC2. Christoffer Dall (8): ARM: KVM: Allow creating the VGIC after VCPUs KVM: arm-vgic: Support KVM_CREATE_DEVICE for VGIC KVM: arm-vgic: Set base addr through device API irqchip: arm-gic: Define additional MMIO offsets and masks KVM: arm-vgic: Make vgic mmio functions more generic KVM: arm-vgic: Add vgic reg access from dev attr KVM: arm-vgic: Add GICD_SPENDSGIR and GICD_CPENDSGIR handlers KVM: arm-vgic: Support CPU interface reg access Documentation/virtual/kvm/api.txt | 6 +- Documentation/virtual/kvm/devices/arm-vgic.txt | 56 +++ arch/arm/include/uapi/asm/kvm.h | 8 + arch/arm/kvm/arm.c | 10 +- include/kvm/arm_vgic.h | 2 +- include/linux/irqchip/arm-gic.h | 14 + include/linux/kvm_host.h | 1 + include/uapi/linux/kvm.h | 1 + virt/kvm/arm/vgic.c | 479 ++++++++++++++++++++++-- virt/kvm/kvm_main.c | 5 + 10 files changed, 554 insertions(+), 28 deletions(-) create mode 100644 Documentation/virtual/kvm/devices/arm-vgic.txt -- 1.7.10.4

11 years, 8 months

3
22
0 0

[PATCH] OMAPDSS: Add missing dependency on backlight for DSI-CM panel drier

by Mark Brown

From: Mark Brown <broonie(a)linaro.org> The DSI-CM driver uses the backlight class so needs to build depend on it. Signed-off-by: Mark Brown <broonie(a)linaro.org> --- drivers/video/omap2/displays-new/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/omap2/displays-new/Kconfig b/drivers/video/omap2/displays-new/Kconfig index 6c90885..10b25e7 100644 --- a/drivers/video/omap2/displays-new/Kconfig +++ b/drivers/video/omap2/displays-new/Kconfig @@ -35,6 +35,7 @@ config DISPLAY_PANEL_DPI config DISPLAY_PANEL_DSI_CM tristate "Generic DSI Command Mode Panel" + depends on BACKLIGHT_CLASS_DEVICE help Driver for generic DSI command mode panels. -- 1.8.4.rc3

11 years, 8 months

3
4
0 0

arm-soc/for-next boot: 23 pass, 2 fail (fixes-for-linus-408-ge4f7a53)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: arm-soc/for-next Git describe: fixes-for-linus-408-ge4f7a53 Commit: e4f7a53270 NEXT: ARM: add arm-soc-for-next-contents.txt Failed boot tests (console logs at the end) =========================================== omap4-panda: FAIL: arm-omap2plus_defconfig omap4-panda-es: FAIL: arm-omap2plus_defconfig Full Report =========== arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.2 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 27.2 sec omap3-beagle-xm PASS: 0 min 51.4 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.3 sec omap4-panda FAIL: 2 min 23.0 sec omap4-panda-es FAIL: 2 min 28.7 sec omap3-tobi,3730storm PASS: 0 min 41.6 sec omap3-beagle PASS: 1 min 4.7 sec arm-multi_v7_defconfig ---------------------- am335x-boneblack PASS: 0 min 31.8 sec omap3-beagle-xm PASS: 0 min 51.8 sec omap4-panda-es PASS: 1 min 5.6 sec omap4-panda PASS: 0 min 58.7 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.5 sec omap3-tobi,3530overo PASS: 0 min 41.0 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.5 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.7 sec omap3-beagle PASS: 1 min 14.3 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.9 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.3 sec Console logs for failures ========================= arm-omap2plus_defconfig ----------------------- omap4-panda: FAIL: last 24 lines of boot log: --------------------------------------------- [ 2.455352] omap-dma-engine 4a056000.dma-controller: allocating channel for 59 [ 2.586639] twl_rtc rtc.11: setting system clock to 2013-09-26 09:57:48 UTC (1380189468) [ 2.732757] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.743560] mmc0: new high speed SD card at address aaaa [ 2.751403] mmcblk0: mmc0:aaaa SD02G 1.84 GiB [ 2.761383] mmcblk0: p1 p2 [ 16.758087] EXT4-fs (mmcblk0p2): recovery complete [ 16.771209] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 16.779937] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 16.788787] devtmpfs: mounted [ 16.788787] Freeing unused kernel memory: 392K (c074f000 - c07b1000) [ 17.290466] init: ureadahead main process (793) terminated with status 5 * Setting sensors limits [80G [74G[ OK ] * Loading cpufreq kernel modules... [80G Last login: Tue Sep 24 15:36:00 UTC 2013 on tty1 Welcome to Linaro 13.08 (GNU/Linux 3.12.0-rc2-00408-ge4f7a53 armv7l) * Documentation: https://wiki.linaro.org/ [74G[ OK ] * CPUFreq Utilities: Setting ondemand CPUFreq governor... [80G * disabled, governor not available... [80Groot@linaro-developer:~# [74G[ OK ] ~$off # PYBOOT: Exception: userspace: ERROR: Never found root shell # PYBOOT: Time: 143.04 seconds. # PYBOOT: Result: FAIL omap4-panda-es: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 20.711547] EXT4-fs (mmcblk0p2): recovery complete [ 21.590209] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 21.599365] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 21.607971] devtmpfs: mounted [ 21.611602] Freeing unused kernel memory: 392K (c074f000 - c07b1000) [ 22.135894] init: ureadahead main process (794) terminated with status 5 [ 25.708343] init: Caught segmentation fault, core dumped [ 25.721282] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000b00 [ 25.721282] [ 25.721405] CPU0: stopping [ 25.734008] CPU: 0 PID: 866 Comm: loadkeys Not tainted 3.12.0-rc2-00408-ge4f7a53 #1 [ 25.734008] [<c001bc28>] (unwind_backtrace+0x0/0xf0) from [<c0017e50>] (show_stack+0x10/0x14) [ 25.734008] [<c0017e50>] (show_stack+0x10/0x14) from [<c05076d8>] (dump_stack+0x78/0x94) [ 25.734008] [<c05076d8>] (dump_stack+0x78/0x94) from [<c00198f0>] (handle_IPI+0x10c/0x134) [ 25.734008] [<c00198f0>] (handle_IPI+0x10c/0x134) from [<c00085d4>] (gic_handle_irq+0x54/0x5c) [ 25.777740] [<c00085d4>] (gic_handle_irq+0x54/0x5c) from [<c050dd3c>] (__irq_usr+0x3c/0x60) [ 25.777740] Exception stack(0xed9b9fb0 to 0xed9b9ff8) [ 25.777740] 9fa0: ffffffe5 00011599 00000066 0000004b [ 25.777740] 9fc0: 00028cee 00000080 00000000 00000000 0001e260 00000001 0001e3ac 00000036 [ 25.777740] 9fe0: 0001e00c be82b1a0 0000cba5 0000cb98 80000130 ffffffff ~$off # PYBOOT: Exception: userspace: ERROR: Never found root shell # PYBOOT: Time: 148.65 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

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next/master boot: 24 pass, 1 fail (next-20130926)

by Kevin Hilman build bot

Automated DT boot report for various ARM defconfigs. Boot test simply checks if kernel can boot to initramfs with busybox and run some basic commands (e.g. 'cat /proc/cpuinfo'). Tree/Branch: next/master Git describe: next-20130926 Commit: 9acc1f56ec Add linux-next specific files for 20130926 Failed boot tests (console logs at the end) =========================================== omap4-panda-es: FAIL: arm-omap2plus_defconfig Full Report =========== arm-imx_v6_v7_defconfig ----------------------- imx6dl-wandboard,wand-dual PASS: 0 min 16.4 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.2 sec imx6q-wandboard PASS: 0 min 15.0 sec arm-omap2plus_defconfig ----------------------- am335x-boneblack PASS: 0 min 27.1 sec omap3-beagle-xm PASS: 0 min 52.5 sec am335x-bone PASS: 0 min 26.3 sec omap3-tobi,3530overo PASS: 0 min 42.5 sec omap4-panda PASS: 1 min 4.2 sec omap4-panda-es FAIL: 2 min 30.9 sec omap3-tobi,3730storm PASS: 0 min 44.4 sec omap3-beagle PASS: 0 min 57.3 sec arm-multi_v7_defconfig ---------------------- am335x-boneblack PASS: 0 min 31.8 sec omap3-beagle-xm PASS: 0 min 51.9 sec omap4-panda-es PASS: 1 min 11.8 sec omap4-panda PASS: 1 min 2.0 sec sun4i-a10-cubieboard PASS: 0 min 11.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 16.4 sec omap3-tobi,3530overo PASS: 0 min 40.9 sec am335x-bone PASS: 0 min 33.4 sec imx6q-wandboard PASS: 0 min 15.7 sec omap3-tobi,3730storm PASS: 0 min 40.5 sec imx6dl-wandboard,wand-dual PASS: 0 min 16.6 sec omap3-beagle PASS: 1 min 7.4 sec arm-exynos_defconfig -------------------- exynos5250-arndale PASS: 0 min 29.7 sec arm-sama5_defconfig ------------------- sama5d35ek PASS: 0 min 18.2 sec Console logs for failures ========================= arm-omap2plus_defconfig ----------------------- omap4-panda-es: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 2.222198] omap_i2c 48350000.i2c: bus 3 rev0.11 at 400 kHz [ 2.228668] omap-dma-engine 4a056000.dma-controller: allocating channel for 62 [ 2.236419] omap-dma-engine 4a056000.dma-controller: allocating channel for 61 [ 2.246978] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [ 2.303131] pinctrl-single 4a31e040.pinmux: mux offset out of range: 0x38 (0x38) [ 2.311401] pinctrl-single 4a31e040.pinmux: could not add functions for pinmux_wl12xx_pins 56x [ 2.320800] omap-dma-engine 4a056000.dma-controller: allocating channel for 60 [ 2.328674] omap-dma-engine 4a056000.dma-controller: allocating channel for 59 [ 2.461975] mmc0: host does not support reading read-only switch. assuming write-enable. [ 2.472717] mmc0: new high speed SDHC card at address 1234 [ 2.480468] mmcblk0: mmc0:1234 SA04G 3.63 GiB [ 2.490264] mmcblk0: p1 p2 [ 2.538482] twl_rtc rtc.12: setting system clock to 2000-01-29 12:18:56 UTC (949148336) [ 23.117950] EXT4-fs (mmcblk0p2): recovery complete [ 23.126922] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 23.135803] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 23.144287] devtmpfs: mounted [ 23.148468] Freeing unused kernel memory: 392K (c0753000 - c07b5000) [ 23.668945] init: ureadahead main process (795) terminated with status 5 * Setting sensors limits [80G [74G[ OK ] ~$off # PYBOOT: Exception: userspace: ERROR: Never found root shell # PYBOOT: Time: 150.91 seconds. # PYBOOT: Result: FAIL

11 years, 8 months

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