linaro-kernel

linaro-kernel@lists.linaro.org

10094 discussions

[PATCH v8 2/6] arm64: KGDB: Add Basic KGDB support

by vijay.kilari＠gmail.com

From: Vijaya Kumar K <Vijaya.Kumar(a)caviumnetworks.com> Add KGDB debug support for kernel debugging. With this patch, basic KGDB debugging is possible.GDB register layout is updated and GDB tool can establish connection with target and can set/clear breakpoints. Signed-off-by: Vijaya Kumar K <Vijaya.Kumar(a)caviumnetworks.com> Reviewed-by: Will Deacon <will.deacon(a)arm.com> --- arch/arm64/include/asm/debug-monitors.h | 47 +++++ arch/arm64/include/asm/kgdb.h | 84 +++++++++ arch/arm64/kernel/Makefile | 1 + arch/arm64/kernel/kgdb.c | 288 +++++++++++++++++++++++++++++++ 4 files changed, 420 insertions(+) diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h index ee9f28e..6e9b5b3 100644 --- a/arch/arm64/include/asm/debug-monitors.h +++ b/arch/arm64/include/asm/debug-monitors.h @@ -26,6 +26,53 @@ #define DBG_ESR_EVT_HWWP 0x2 #define DBG_ESR_EVT_BRK 0x6 +/* + * Break point instruction encoding + */ +#define BREAK_INSTR_SIZE 4 + +/* + * ESR values expected for dynamic and compile time BRK instruction + */ +#define DBG_ESR_VAL_BRK(x) (0xf2000000 | ((x) & 0xfffff)) + +/* + * #imm16 values used for BRK instruction generation + * Allowed values for kgbd are 0x400 - 0x7ff + * 0x400: for dynamic BRK instruction + * 0x401: for compile time BRK instruction + */ +#define KGDB_DYN_DGB_BRK_IMM 0x400 +#define KDBG_COMPILED_DBG_BRK_IMM 0x401 + +/* + * BRK instruction encoding + * The #imm16 value should be placed at bits[20:5] within BRK ins + */ +#define AARCH64_BREAK_MON 0xd4200000 + +/* + * Extract byte from BRK instruction + */ +#define KGDB_DYN_DGB_BRK_INS_BYTE(x) \ + ((((AARCH64_BREAK_MON) & 0xffe0001f) >> (x * 8)) & 0xff) + +/* + * Extract byte from BRK #imm16 + */ +#define KGBD_DYN_DGB_BRK_IMM_BYTE(x) \ + (((((KGDB_DYN_DGB_BRK_IMM) & 0xffff) << 5) >> (x * 8)) & 0xff) + +#define KGDB_DYN_DGB_BRK_BYTE(x) \ + (KGDB_DYN_DGB_BRK_INS_BYTE(x) | KGBD_DYN_DGB_BRK_IMM_BYTE(x)) + +#define KGDB_DYN_BRK_INS_BYTE0 KGDB_DYN_DGB_BRK_BYTE(0) +#define KGDB_DYN_BRK_INS_BYTE1 KGDB_DYN_DGB_BRK_BYTE(1) +#define KGDB_DYN_BRK_INS_BYTE2 KGDB_DYN_DGB_BRK_BYTE(2) +#define KGDB_DYN_BRK_INS_BYTE3 KGDB_DYN_DGB_BRK_BYTE(3) + +#define CACHE_FLUSH_IS_SAFE 1 + enum debug_el { DBG_ACTIVE_EL0 = 0, DBG_ACTIVE_EL1, diff --git a/arch/arm64/include/asm/kgdb.h b/arch/arm64/include/asm/kgdb.h new file mode 100644 index 0000000..3c8aafc --- /dev/null +++ b/arch/arm64/include/asm/kgdb.h @@ -0,0 +1,84 @@ +/* + * AArch64 KGDB support + * + * Based on arch/arm/include/kgdb.h + * + * Copyright (C) 2013 Cavium Inc. + * Author: Vijaya Kumar K <vijaya.kumar(a)caviumnetworks.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __ARM_KGDB_H +#define __ARM_KGDB_H + +#include <linux/ptrace.h> +#include <asm/debug-monitors.h> + +#ifndef __ASSEMBLY__ + +static inline void arch_kgdb_breakpoint(void) +{ + asm ("brk %0" : : "I" (KDBG_COMPILED_DBG_BRK_IMM)); +} + +extern void kgdb_handle_bus_error(void); +extern int kgdb_fault_expected; + +#endif /* !__ASSEMBLY__ */ + +/* + * gdb is expecting the following registers layout. + * + * General purpose regs: + * r0-r30: 64 bit + * sp,pc : 64 bit + * pstate : 64 bit + * Total: 34 + * FPU regs: + * f0-f31: 128 bit + * Total: 32 + * Extra regs + * fpsr & fpcr: 32 bit + * Total: 2 + * + */ + +#define _GP_REGS 34 +#define _FP_REGS 32 +#define _EXTRA_REGS 2 +/* + * general purpose registers size in bytes. + * pstate is only 4 bytes. subtract 4 bytes + */ +#define GP_REG_BYTES (_GP_REGS * 8) +#define DBG_MAX_REG_NUM (_GP_REGS + _FP_REGS + _EXTRA_REGS) + +/* + * Size of I/O buffer for gdb packet. + * considering to hold all register contents, size is set + */ + +#define BUFMAX 2048 + +/* + * Number of bytes required for gdb_regs buffer. + * _GP_REGS: 8 bytes, _FP_REGS: 16 bytes and _EXTRA_REGS: 4 bytes each + * GDB fails to connect for size beyond this with error + * "'g' packet reply is too long" + */ + +#define NUMREGBYTES ((_GP_REGS * 8) + (_FP_REGS * 16) + \ + (_EXTRA_REGS * 4)) + +#endif /* __ASM_KGDB_H */ diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 5ba2fd4..b9b87fa 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -18,6 +18,7 @@ arm64-obj-$(CONFIG_SMP) += smp.o smp_spin_table.o arm64-obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o arm64-obj-$(CONFIG_HAVE_HW_BREAKPOINT)+= hw_breakpoint.o arm64-obj-$(CONFIG_EARLY_PRINTK) += early_printk.o +arm64-obj-$(CONFIG_KGDB) += kgdb.o obj-y += $(arm64-obj-y) vdso/ obj-m += $(arm64-obj-m) diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c new file mode 100644 index 0000000..4b7a569 --- /dev/null +++ b/arch/arm64/kernel/kgdb.c @@ -0,0 +1,288 @@ +/* + * AArch64 KGDB support + * + * Based on arch/arm/kernel/kgdb.c + * + * Copyright (C) 2013 Cavium Inc. + * Author: Vijaya Kumar K <vijaya.kumar(a)caviumnetworks.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/irq.h> +#include <linux/kdebug.h> +#include <linux/kgdb.h> +#include <asm/traps.h> + +struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = { + { "x0", 8, offsetof(struct pt_regs, regs[0])}, + { "x1", 8, offsetof(struct pt_regs, regs[1])}, + { "x2", 8, offsetof(struct pt_regs, regs[2])}, + { "x3", 8, offsetof(struct pt_regs, regs[3])}, + { "x4", 8, offsetof(struct pt_regs, regs[4])}, + { "x5", 8, offsetof(struct pt_regs, regs[5])}, + { "x6", 8, offsetof(struct pt_regs, regs[6])}, + { "x7", 8, offsetof(struct pt_regs, regs[7])}, + { "x8", 8, offsetof(struct pt_regs, regs[8])}, + { "x9", 8, offsetof(struct pt_regs, regs[9])}, + { "x10", 8, offsetof(struct pt_regs, regs[10])}, + { "x11", 8, offsetof(struct pt_regs, regs[11])}, + { "x12", 8, offsetof(struct pt_regs, regs[12])}, + { "x13", 8, offsetof(struct pt_regs, regs[13])}, + { "x14", 8, offsetof(struct pt_regs, regs[14])}, + { "x15", 8, offsetof(struct pt_regs, regs[15])}, + { "x16", 8, offsetof(struct pt_regs, regs[16])}, + { "x17", 8, offsetof(struct pt_regs, regs[17])}, + { "x18", 8, offsetof(struct pt_regs, regs[18])}, + { "x19", 8, offsetof(struct pt_regs, regs[19])}, + { "x20", 8, offsetof(struct pt_regs, regs[20])}, + { "x21", 8, offsetof(struct pt_regs, regs[21])}, + { "x22", 8, offsetof(struct pt_regs, regs[22])}, + { "x23", 8, offsetof(struct pt_regs, regs[23])}, + { "x24", 8, offsetof(struct pt_regs, regs[24])}, + { "x25", 8, offsetof(struct pt_regs, regs[25])}, + { "x26", 8, offsetof(struct pt_regs, regs[26])}, + { "x27", 8, offsetof(struct pt_regs, regs[27])}, + { "x28", 8, offsetof(struct pt_regs, regs[28])}, + { "x29", 8, offsetof(struct pt_regs, regs[29])}, + { "x30", 8, offsetof(struct pt_regs, regs[30])}, + { "sp", 8, offsetof(struct pt_regs, sp)}, + { "pc", 8, offsetof(struct pt_regs, pc)}, + { "pstate", 8, offsetof(struct pt_regs, pstate)}, + { "v0", 16, -1 }, + { "v1", 16, -1 }, + { "v2", 16, -1 }, + { "v3", 16, -1 }, + { "v4", 16, -1 }, + { "v5", 16, -1 }, + { "v6", 16, -1 }, + { "v7", 16, -1 }, + { "v8", 16, -1 }, + { "v9", 16, -1 }, + { "v10", 16, -1 }, + { "v11", 16, -1 }, + { "v12", 16, -1 }, + { "v13", 16, -1 }, + { "v14", 16, -1 }, + { "v15", 16, -1 }, + { "v16", 16, -1 }, + { "v17", 16, -1 }, + { "v18", 16, -1 }, + { "v19", 16, -1 }, + { "v20", 16, -1 }, + { "v21", 16, -1 }, + { "v22", 16, -1 }, + { "v23", 16, -1 }, + { "v24", 16, -1 }, + { "v25", 16, -1 }, + { "v26", 16, -1 }, + { "v27", 16, -1 }, + { "v28", 16, -1 }, + { "v29", 16, -1 }, + { "v30", 16, -1 }, + { "v31", 16, -1 }, + { "fpsr", 4, -1 }, + { "fpcr", 4, -1 }, +}; + +char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs) +{ + if (regno >= DBG_MAX_REG_NUM || regno < 0) + return NULL; + + if (dbg_reg_def[regno].offset != -1) + memcpy(mem, (void *)regs + dbg_reg_def[regno].offset, + dbg_reg_def[regno].size); + else + memset(mem, 0, dbg_reg_def[regno].size); + return dbg_reg_def[regno].name; +} + +int dbg_set_reg(int regno, void *mem, struct pt_regs *regs) +{ + if (regno >= DBG_MAX_REG_NUM || regno < 0) + return -EINVAL; + + if (dbg_reg_def[regno].offset != -1) + memcpy((void *)regs + dbg_reg_def[regno].offset, mem, + dbg_reg_def[regno].size); + return 0; +} + +void +sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task) +{ + struct pt_regs *thread_regs; + + /* Initialize to zero */ + memset((char *)gdb_regs, 0, NUMREGBYTES); + thread_regs = task_pt_regs(task); + memcpy((void *)gdb_regs, (void *)thread_regs->regs, GP_REG_BYTES); +} + +void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc) +{ + regs->pc = pc; +} + +static int compiled_break; + +int kgdb_arch_handle_exception(int exception_vector, int signo, + int err_code, char *remcom_in_buffer, + char *remcom_out_buffer, + struct pt_regs *linux_regs) +{ + unsigned long addr; + char *ptr; + int err; + + switch (remcom_in_buffer[0]) { + case 'D': + case 'k': + /* + * Packet D (Detach), k (kill). No special handling + * is required here. Handle same as c packet. + */ + case 'c': + /* + * Packet c (Continue) to continue executing. + * Set pc to required address. + * Try to read optional parameter and set pc. + * If this was a compiled breakpoint, we need to move + * to the next instruction else we will just breakpoint + * over and over again. + */ + ptr = &remcom_in_buffer[1]; + if (kgdb_hex2long(&ptr, &addr)) + kgdb_arch_set_pc(linux_regs, addr); + else if (compiled_break == 1) + kgdb_arch_set_pc(linux_regs, linux_regs->pc + 4); + + compiled_break = 0; + err = 0; + break; + default: + err = -1; + } + return err; +} + +static int kgdb_brk_fn(struct pt_regs *regs, unsigned int esr) +{ + kgdb_handle_exception(1, SIGTRAP, 0, regs); + return 0; +} + +static int kgdb_compiled_brk_fn(struct pt_regs *regs, unsigned int esr) +{ + compiled_break = 1; + kgdb_handle_exception(1, SIGTRAP, 0, regs); + + return 0; +} + +static struct break_hook kgdb_brkpt_hook = { + .esr_mask = 0xffffffff, + .esr_val = DBG_ESR_VAL_BRK(KGDB_DYN_DGB_BRK_IMM), + .fn = kgdb_brk_fn +}; + +static struct break_hook kgdb_compiled_brkpt_hook = { + .esr_mask = 0xffffffff, + .esr_val = DBG_ESR_VAL_BRK(KDBG_COMPILED_DBG_BRK_IMM), + .fn = kgdb_compiled_brk_fn +}; + +static void kgdb_call_nmi_hook(void *ignored) +{ + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs()); +} + +void kgdb_roundup_cpus(unsigned long flags) +{ + local_irq_enable(); + smp_call_function(kgdb_call_nmi_hook, NULL, 0); + local_irq_disable(); +} + +static int __kgdb_notify(struct die_args *args, unsigned long cmd) +{ + struct pt_regs *regs = args->regs; + + if (kgdb_handle_exception(1, args->signr, cmd, regs)) + return NOTIFY_DONE; + return NOTIFY_STOP; +} + +static int +kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr) +{ + unsigned long flags; + int ret; + + local_irq_save(flags); + ret = __kgdb_notify(ptr, cmd); + local_irq_restore(flags); + + return ret; +} + +static struct notifier_block kgdb_notifier = { + .notifier_call = kgdb_notify, + /* + * Want to be lowest priority + */ + .priority = -INT_MAX, +}; + +/* + * kgdb_arch_init - Perform any architecture specific initalization. + * This function will handle the initalization of any architecture + * specific callbacks. + */ +int kgdb_arch_init(void) +{ + int ret = register_die_notifier(&kgdb_notifier); + + if (ret != 0) + return ret; + + register_break_hook(&kgdb_brkpt_hook); + register_break_hook(&kgdb_compiled_brkpt_hook); + return 0; +} + +/* + * kgdb_arch_exit - Perform any architecture specific uninitalization. + * This function will handle the uninitalization of any architecture + * specific callbacks, for dynamic registration and unregistration. + */ +void kgdb_arch_exit(void) +{ + unregister_break_hook(&kgdb_brkpt_hook); + unregister_break_hook(&kgdb_compiled_brkpt_hook); + unregister_die_notifier(&kgdb_notifier); +} + +/* + * ARM instructions are always in LE. + * Break instruction is encoded in LE format + */ +struct kgdb_arch arch_kgdb_ops = { + .gdb_bpt_instr = { + KGDB_DYN_BRK_INS_BYTE0, + KGDB_DYN_BRK_INS_BYTE1, + KGDB_DYN_BRK_INS_BYTE2, + KGDB_DYN_BRK_INS_BYTE3, + } +}; -- 1.7.9.5

11 years, 3 months

[PATCH v8 0/6] arm64: KGDB Support

by vijay.kilari＠gmail.com

From: Vijaya Kumar K <Vijaya.Kumar(a)caviumnetworks.com> Based on the step-handler and break-handler hooks patch from Sandeepa, KGDB debugging support is added for EL1 debug in AArch64 mode. In first patch, PSTATE.D is set correctly In second patch,register layout is updated to be inline with GDB tool. Basic GDB connection, break point set/clear and info commands are supported except step/next debugging With second patch, step/next debugging support is added, where in pc is updated to point to the instruction to be stepped and stopped. With third patch, the compile time breakpoint instruction reordering is fixed by making kgbd_breakpoint() as noinline Tested with ARM64 simulator v8: - fixed comments on local_dbg_{save,restore} macros - instruction_pointer() macro to return unsigned long to fix compilation warnings v7: - Changes made to set PSTATE.D properly - Performed KGDB boot tests - Fixed compilation warnings in driver/misc/kgbdts.c Results: kgdb boot test: [32927.237895] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [32927.266066] kgdb: Registered I/O driver kgdbts. [32927.266419] kgdb: Waiting for connection from remote gdb... [32927.268598] kgdbts:RUN plant and detach test [32927.270683] kgdbts:RUN sw breakpoint test [32927.287659] kgdbts:RUN bad memory access test [32927.290322] kgdbts:RUN singlestep test 1000 iterations [32927.330342] kgdbts:RUN singlestep [0/1000] [32931.286356] kgdbts:RUN singlestep [100/1000] [32935.242536] kgdbts:RUN singlestep [200/1000] [32939.205392] kgdbts:RUN singlestep [300/1000] [32943.169522] kgdbts:RUN singlestep [400/1000] [32947.231868] kgdbts:RUN singlestep [500/1000] [32951.188008] kgdbts:RUN singlestep [600/1000] [32955.332243] kgdbts:RUN singlestep [700/1000] [32959.467109] kgdbts:RUN singlestep [800/1000] [32963.430888] kgdbts:RUN singlestep [900/1000] [32967.346992] kgdbts:RUN do_fork for 100 breakpoints kgdb test from sysfs: ~ # echo V1F1000 > /sys/module/kgdbts/parameters/kgdbts [33231.554237] kgdb: Registered I/O driver kgdbts. [33231.554677] kgdbts:RUN plant and detach test [33231.557072] kgdbts:RUN sw breakpoint test [33231.576980] kgdbts:RUN bad memory access test [33231.580022] kgdbts:RUN singlestep test 1000 iterations [33231.627056] kgdbts:RUN singlestep [0/1000] [33235.954027] kgdbts:RUN singlestep [100/1000] [33240.429086] kgdbts:RUN singlestep [200/1000] [33244.687118] kgdbts:RUN singlestep [300/1000] [33248.945191] kgdbts:RUN singlestep [400/1000] [33253.203751] kgdbts:RUN singlestep [500/1000] [33257.462019] kgdbts:RUN singlestep [600/1000] [33261.817809] kgdbts:RUN singlestep [700/1000] [33266.081268] kgdbts:RUN singlestep [800/1000] [33270.339813] kgdbts:RUN singlestep [900/1000] [33274.712404] kgdbts:RUN do_fork for 1000 breakpoints ~ # v6: - Change pstate register to 8 bytes to make endian nuetral. Use GDB below GDB patch to display pstate in Big endian mode. https://sourceware.org/ml/gdb-patches/2013-12/msg00720.html Thanks to Andrew. v5: - Updated BRK #imm16 value to 0x400 & 0x401 as per recommendation as per Marcus recommendataion http://patchwork.ozlabs.org/patch/290801/ - Rebased to 3.13 AArch64 kernel v4: - Updated kgdb_single_step and kgdb_cpu_doing_single_step variables properly based on gdb state v3: - Rebased to v4 version of Sandeepa Prabhu's patch (patch 1) - Made dynamic break point instruction encoding generic - Made ESR value encoding generic for dynamic and compile break point - Used memcpy and memset to copy register contents to gdb buffer - Fixed reordering of break point instruction by compiler with patch 3 - Rebased against AAach64 upstream kernel v2: - Moved break instruction encoding to debug-monitors.h file - Fixed endianess of compile break instruction encoding - Updated I/O buffer sizes - Updated register buffer size - Remove changes to debug_exception handler in entry.S for - ELR update and step debugging with update pc instead of ELR - Rebased against AArch64 upstream kernel v1: - Initial patch-set Vijaya Kumar K (6): arm64: Add macros to manage processor debug state arm64: KGDB: Add Basic KGDB support arm64: KGDB: Add step debugging support KGDB: make kgdb_breakpoint() as noinline misc: debug: remove compilation warnings arm64: KGDB: Add KGDB config arch/arm64/Kconfig | 1 + arch/arm64/include/asm/debug-monitors.h | 64 ++++-- arch/arm64/include/asm/irqflags.h | 48 +++++ arch/arm64/include/asm/kgdb.h | 84 ++++++++ arch/arm64/include/asm/ptrace.h | 2 +- arch/arm64/kernel/Makefile | 1 + arch/arm64/kernel/debug-monitors.c | 1 + arch/arm64/kernel/kgdb.c | 336 +++++++++++++++++++++++++++++++ kernel/debug/debug_core.c | 2 +- 9 files changed, 520 insertions(+), 19 deletions(-) create mode 100644 arch/arm64/include/asm/kgdb.h create mode 100644 arch/arm64/kernel/kgdb.c -- 1.7.9.5

11 years, 3 months

[PATCH] ASoC: codecs: Make OF supported CODECs visible in Kconfig

by Mark Brown

From: Mark Brown <broonie(a)linaro.org> Now that we have a generic card driver we can't rely on the card driver selecting the CODECs for us so make the CODECs that can be enabled with OF directly selectable in Kconfig. For the platforms not using OF it's not clear that we don't still want to have some board specific selection since the kernel needs to contain code to register the devices; ACPI could provide this from firmware does not yet support any kind of generic card. It may also be desirable to hide these if OF is not enabled to reduce noise. Signed-off-by: Mark Brown <broonie(a)linaro.org> --- sound/soc/codecs/Kconfig | 96 +++++++++++++++++++++++++++++++----------------- 1 file changed, 62 insertions(+), 34 deletions(-) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index fa989cb77fe4..e0c2febf3bc0 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -191,8 +191,9 @@ config SND_SOC_AD73311 tristate config SND_SOC_ADAU1701 + tristate "Analog Devices ADAU1701 CODEC" + depends on I2C select SND_SOC_SIGMADSP - tristate config SND_SOC_ADAU1373 tristate @@ -204,28 +205,31 @@ config SND_SOC_ADS117X tristate config SND_SOC_AK4104 - tristate + tristate "AKM AK4104 CODEC" + depends on SPI_MASTER config SND_SOC_AK4535 tristate config SND_SOC_AK4554 - tristate + tristate "AKM AK4554 CODEC" config SND_SOC_AK4641 tristate config SND_SOC_AK4642 - tristate + tristate "AKM AK4642 CODEC" + depends on I2C config SND_SOC_AK4671 tristate config SND_SOC_AK5386 - tristate + tristate "AKM AK5638 CODEC" config SND_SOC_ALC5623 tristate + config SND_SOC_ALC5632 tristate @@ -236,14 +240,17 @@ config SND_SOC_CS42L51 tristate config SND_SOC_CS42L52 - tristate + tristate "Cirrus Logic CS42L52 CODEC" + depends on I2C config SND_SOC_CS42L73 - tristate + tristate "Cirrus Logic CS42L73 CODEC" + depends on I2C # Cirrus Logic CS4270 Codec config SND_SOC_CS4270 - tristate + tristate "Cirrus Logic CS4270 CODEC" + depends on I2C # Cirrus Logic CS4270 Codec VD = 3.3V Errata # Select if you are affected by the errata where the part will not function @@ -254,7 +261,7 @@ config SND_SOC_CS4270_VD33_ERRATA depends on SND_SOC_CS4270 config SND_SOC_CS4271 - tristate + tristate "Cirrus Logic CS4271 CODEC" config SND_SOC_CX20442 tristate @@ -285,6 +292,9 @@ config SND_SOC_BT_SCO config SND_SOC_DMIC tristate +config SND_SOC_HDMI_CODEC + tristate "HDMI stub CODEC" + config SND_SOC_ISABELLE tristate @@ -303,14 +313,13 @@ config SND_SOC_MAX98095 config SND_SOC_MAX9850 tristate -config SND_SOC_HDMI_CODEC - tristate - config SND_SOC_PCM1681 - tristate + tristate "Texas Instruments PCM1681 CODEC" + depends on I2C config SND_SOC_PCM1792A - tristate + tristate "Texas Instruments PCM1792A CODEC" + depends on SPI_MASTER config SND_SOC_PCM3008 tristate @@ -326,7 +335,8 @@ config SND_SOC_RT5640 #Freescale sgtl5000 codec config SND_SOC_SGTL5000 - tristate + tristate "Freescale SGTL5000 CODEC" + depends on I2C config SND_SOC_SI476X tristate @@ -339,7 +349,7 @@ config SND_SOC_SN95031 tristate config SND_SOC_SPDIF - tristate + tristate "S/PDIF CODEC" config SND_SOC_SSM2518 tristate @@ -357,7 +367,8 @@ config SND_SOC_STAC9766 tristate config SND_SOC_TAS5086 - tristate + tristate "Texas Instruments TAS5086 speaker amplifier" + depends on I2C config SND_SOC_TLV320AIC23 tristate @@ -370,7 +381,8 @@ config SND_SOC_TLV320AIC32X4 tristate config SND_SOC_TLV320AIC3X - tristate + tristate "Texas Instruments TLV320AIC3x CODECs" + depends on I2C config SND_SOC_TLV320DAC33 tristate @@ -419,55 +431,69 @@ config SND_SOC_WM8400 tristate config SND_SOC_WM8510 - tristate + tristate "Wolfson Microelectronics WM8510 CODEC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8523 - tristate + tristate "Wolfson Microelectronics WM8523 DAC" + depends on I2C config SND_SOC_WM8580 - tristate + tristate "Wolfson Microelectronics WM8523 CODEC" + depends on I2C config SND_SOC_WM8711 - tristate + tristate "Wolfson Microelectronics WM8711 CODEC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8727 tristate config SND_SOC_WM8728 - tristate + tristate "Wolfson Microelectronics WM8728 DAC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8731 - tristate + tristate "Wolfson Microelectronics WM8731 CODEC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8737 - tristate + tristate "Wolfson Microelectronics WM8737 ADC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8741 - tristate + tristate "Wolfson Microelectronics WM8737 DAC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8750 - tristate + tristate "Wolfson Microelectronics WM8750 CODEC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8753 - tristate + tristate "Wolfson Microelectronics WM8753 CODEC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8770 - tristate + tristate "Wolfson Microelectronics WM8770 CODEC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8776 - tristate + tristate "Wolfson Microelectronics WM8776 CODEC" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8782 tristate config SND_SOC_WM8804 - tristate + tristate "Wolfson Microelectronics WM8804 S/PDIF transceiver" + depends on SND_SOC_I2C_AND_SPI config SND_SOC_WM8900 tristate config SND_SOC_WM8903 - tristate + tristate "Wolfson Microelectronics WM8903 CODEC" + depends on I2C config SND_SOC_WM8904 tristate @@ -485,7 +511,8 @@ config SND_SOC_WM8961 tristate config SND_SOC_WM8962 - tristate + tristate "Wolfson Microelectronics WM8962 CODEC" + depends on I2C config SND_SOC_WM8971 tristate @@ -558,4 +585,5 @@ config SND_SOC_ML26124 tristate config SND_SOC_TPA6130A2 - tristate + tristate "Texas Instruments TPA6130A2 headphone amplifier" + depends on I2C -- 1.8.5.3

11 years, 3 months

[PATCH] ASoC: ak4554: Add to SND_SOC_ALL_CODECS

by Mark Brown

From: Mark Brown <broonie(a)linaro.org> For build coverage. Signed-off-by: Mark Brown <broonie(a)linaro.org> --- sound/soc/codecs/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 5f74fc3f672c..fa989cb77fe4 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -25,6 +25,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_ADS117X select SND_SOC_AK4104 if SPI_MASTER select SND_SOC_AK4535 if I2C + select SND_SOC_AK4554 select SND_SOC_AK4641 if I2C select SND_SOC_AK4642 if I2C select SND_SOC_AK4671 if I2C -- 1.8.5.3

11 years, 3 months

[PATCH] spi/pl022: Unprepare clocks while suspended

by Mark Brown

From: Mark Brown <broonie(a)linaro.org> When the driver was converted to clk_prepare() the suspend path didn't have any changes made so the clock remains prepared throughout the runtime of the driver. Unprepare it when suspended so that any savings that can be made as a result are made. Signed-off-by: Mark Brown <broonie(a)linaro.org> --- drivers/spi/spi-pl022.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 2789b452e711..4ec49eae6141 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2296,7 +2296,7 @@ pl022_remove(struct amba_device *adev) */ static void pl022_suspend_resources(struct pl022 *pl022, bool runtime) { - clk_disable(pl022->clk); + clk_disable_unprepare(pl022->clk); if (runtime) pinctrl_pm_select_idle_state(&pl022->adev->dev); @@ -2312,7 +2312,7 @@ static void pl022_resume_resources(struct pl022 *pl022, bool runtime) /* Then let's idle the pins until the next transfer happens */ pinctrl_pm_select_idle_state(&pl022->adev->dev); - clk_enable(pl022->clk); + clk_prepare_enable(pl022->clk); } #endif -- 1.8.5.3

11 years, 3 months

[PATCH v7 0/6] arm64: KGDB Support

by vijay.kilari＠gmail.com

From: Vijaya Kumar K <Vijaya.Kumar(a)caviumnetworks.com> Based on the step-handler and break-handler hooks patch from Sandeepa, KGDB debugging support is added for EL1 debug in AArch64 mode. In first patch, PSTATE.D is set correctly In second patch,register layout is updated to be inline with GDB tool. Basic GDB connection, break point set/clear and info commands are supported except step/next debugging With second patch, step/next debugging support is added, where in pc is updated to point to the instruction to be stepped and stopped. With third patch, the compile time breakpoint instruction reordering is fixed by making kgbd_breakpoint() as noinline Tested with ARM64 simulator v7: - Changes made to set PSTATE.D properly - Performed KGDB boot tests - Fixed compilation warnings in driver/misc/kgbdts.c Results: kgdb boot test: [32927.237895] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [32927.266066] kgdb: Registered I/O driver kgdbts. [32927.266419] kgdb: Waiting for connection from remote gdb... [32927.268598] kgdbts:RUN plant and detach test [32927.270683] kgdbts:RUN sw breakpoint test [32927.287659] kgdbts:RUN bad memory access test [32927.290322] kgdbts:RUN singlestep test 1000 iterations [32927.330342] kgdbts:RUN singlestep [0/1000] [32931.286356] kgdbts:RUN singlestep [100/1000] [32935.242536] kgdbts:RUN singlestep [200/1000] [32939.205392] kgdbts:RUN singlestep [300/1000] [32943.169522] kgdbts:RUN singlestep [400/1000] [32947.231868] kgdbts:RUN singlestep [500/1000] [32951.188008] kgdbts:RUN singlestep [600/1000] [32955.332243] kgdbts:RUN singlestep [700/1000] [32959.467109] kgdbts:RUN singlestep [800/1000] [32963.430888] kgdbts:RUN singlestep [900/1000] [32967.346992] kgdbts:RUN do_fork for 100 breakpoints kgdb test from sysfs: ~ # echo V1F1000 > /sys/module/kgdbts/parameters/kgdbts [33231.554237] kgdb: Registered I/O driver kgdbts. [33231.554677] kgdbts:RUN plant and detach test [33231.557072] kgdbts:RUN sw breakpoint test [33231.576980] kgdbts:RUN bad memory access test [33231.580022] kgdbts:RUN singlestep test 1000 iterations [33231.627056] kgdbts:RUN singlestep [0/1000] [33235.954027] kgdbts:RUN singlestep [100/1000] [33240.429086] kgdbts:RUN singlestep [200/1000] [33244.687118] kgdbts:RUN singlestep [300/1000] [33248.945191] kgdbts:RUN singlestep [400/1000] [33253.203751] kgdbts:RUN singlestep [500/1000] [33257.462019] kgdbts:RUN singlestep [600/1000] [33261.817809] kgdbts:RUN singlestep [700/1000] [33266.081268] kgdbts:RUN singlestep [800/1000] [33270.339813] kgdbts:RUN singlestep [900/1000] [33274.712404] kgdbts:RUN do_fork for 1000 breakpoints ~ # v6: - Change pstate register to 8 bytes to make endian nuetral. Use GDB below GDB patch to display pstate in Big endian mode. https://sourceware.org/ml/gdb-patches/2013-12/msg00720.html Thanks to Andrew. v5: - Updated BRK #imm16 value to 0x400 & 0x401 as per recommendation as per Marcus recommendataion http://patchwork.ozlabs.org/patch/290801/ - Rebased to 3.13 AArch64 kernel v4: - Updated kgdb_single_step and kgdb_cpu_doing_single_step variables properly based on gdb state v3: - Rebased to v4 version of Sandeepa Prabhu's patch (patch 1) - Made dynamic break point instruction encoding generic - Made ESR value encoding generic for dynamic and compile break point - Used memcpy and memset to copy register contents to gdb buffer - Fixed reordering of break point instruction by compiler with patch 3 - Rebased against AAach64 upstream kernel v2: - Moved break instruction encoding to debug-monitors.h file - Fixed endianess of compile break instruction encoding - Updated I/O buffer sizes - Updated register buffer size - Remove changes to debug_exception handler in entry.S for - ELR update and step debugging with update pc instead of ELR - Rebased against AArch64 upstream kernel v1: - Initial patch-set Vijaya Kumar K (6): arm64: Add macros to manage processor debug state arm64: KGDB: Add Basic KGDB support arm64: KGDB: Add step debugging support KGDB: make kgdb_breakpoint() as noinline misc: debug: remove compilation warnings arm64: KGDB: Add KGDB config arch/arm64/Kconfig | 1 + arch/arm64/include/asm/debug-monitors.h | 65 ++++-- arch/arm64/include/asm/irqflags.h | 22 ++ arch/arm64/include/asm/kgdb.h | 84 ++++++++ arch/arm64/kernel/Makefile | 1 + arch/arm64/kernel/debug-monitors.c | 3 +- arch/arm64/kernel/kgdb.c | 336 +++++++++++++++++++++++++++++++ drivers/misc/kgdbts.c | 12 +- kernel/debug/debug_core.c | 2 +- 9 files changed, 502 insertions(+), 24 deletions(-) create mode 100644 arch/arm64/include/asm/kgdb.h create mode 100644 arch/arm64/kernel/kgdb.c -- 1.7.9.5

11 years, 3 months

next boot: 32 pass, 5 fail (next-20140123)

by Kevin's boot bot

Automated DT boot report for various ARM defconfigs. Tree/Branch: next Git describe: next-20140123 Failed boot tests (console logs at the end) =========================================== omap3-tobi,3730storm: FAIL: omap2plus_defconfig armada-xp-openblocks-ax3-4: FAIL: mvebu_defconfig omap4-panda-es: FAIL: multi_v7_defconfig armada-xp-openblocks-ax3-4: FAIL: multi_v7_defconfig omap3-tobi,3730storm: FAIL: multi_v7_defconfig Full Report =========== omap2plus_defconfig ------------------- am335x-boneblack PASS: 0 min 25.8 sec omap3-beagle-xm PASS: 1 min 1.2 sec am335x-bone PASS: 0 min 27.9 sec omap3-tobi,3530overo PASS: 0 min 23.2 sec omap4-panda PASS: 1 min 6.2 sec omap4-panda-es PASS: 1 min 10.3 sec omap3-tobi,3730storm FAIL: 1 min 20.7 sec omap3-beagle PASS: 0 min 56.5 sec multi_lpae_defconfig -------------------- sun7i-a20-cubieboard2 PASS: 0 min 14.3 sec tegra_defconfig --------------- tegra30-beaver PASS: 0 min 17.1 sec imx_v6_v7_defconfig ------------------- imx6dl-wandboard,wand-dual PASS: 0 min 17.8 sec imx6dl-wandboard,wand-solo PASS: 0 min 17.8 sec imx6q-wandboard PASS: 0 min 16.4 sec sunxi_defconfig --------------- sun7i-a20-cubieboard2 PASS: 0 min 12.2 sec sun4i-a10-cubieboard PASS: 0 min 17.9 sec mvebu_defconfig --------------- armada-xp-openblocks-ax3-4 FAIL: 0 min 20.2 sec armada-370-mirabox PASS: 0 min 20.3 sec exynos_defconfig ---------------- exynos5250-arndale PASS: 0 min 28.9 sec multi_v7_defconfig ------------------ ste-snowball PASS: 1 min 17.0 sec tegra30-beaver PASS: 0 min 16.9 sec am335x-boneblack PASS: 0 min 23.5 sec omap3-beagle-xm PASS: 0 min 50.8 sec sun7i-a20-cubieboard2 PASS: 0 min 19.3 sec armada-370-mirabox PASS: 0 min 21.5 sec omap4-panda PASS: 0 min 56.7 sec omap4-panda-es FAIL: 1 min 47.1 sec armada-xp-openblocks-ax3-4 FAIL: 0 min 22.5 sec sun4i-a10-cubieboard PASS: 0 min 19.0 sec imx6dl-wandboard,wand-solo PASS: 0 min 18.0 sec omap3-tobi,3530overo PASS: 0 min 21.8 sec am335x-bone PASS: 0 min 26.2 sec imx6q-wandboard PASS: 0 min 17.5 sec omap3-tobi,3730storm FAIL: 0 min 26.1 sec imx6dl-wandboard,wand-dual PASS: 0 min 18.4 sec omap3-beagle PASS: 1 min 1.3 sec u8500_defconfig --------------- ste-snowball PASS: 0 min 33.2 sec sama5_defconfig --------------- sama5d35ek PASS: 0 min 17.6 sec Console logs for failures ========================= omap2plus_defconfig ------------------- omap3-tobi,3730storm: FAIL: last 24 lines of boot log: ------------------------------------------------------ [ 5.969787] [<c008fbc0>] (generic_handle_irq) from [<c000eda8>] (handle_IRQ+0x4c/0xb4) [ 5.978118] [<c000eda8>] (handle_IRQ) from [<c00085b4>] (omap3_intc_handle_irq+0x60/0x74) [ 5.986755] [<c00085b4>] (omap3_intc_handle_irq) from [<c054c224>] (__irq_svc+0x44/0x5c) [ 5.995300] Exception stack(0xde0efcc0 to 0xde0efd08) [ 6.000640] fcc0: de488480 01003400 fa0b4000 34020001 de0efd2c de488000 de488000 00008002 [ 6.009277] fce0: de4d1606 de4d1600 de0efde6 00000000 00000000 de0efd08 c044f6f4 c0438640 [ 6.017883] fd00: 20000113 ffffffff [ 6.021575] [<c054c224>] (__irq_svc) from [<c0438640>] (mmc_start_request+0xc4/0xe0) [ 6.029754] [<c0438640>] (mmc_start_request) from [<c0438768>] (__mmc_start_req+0x54/0x84) [ 6.038482] [<c0438768>] (__mmc_start_req) from [<c0438c08>] (mmc_wait_for_cmd+0x58/0x88) [ 6.047088] [<c0438c08>] (mmc_wait_for_cmd) from [<c0442704>] (mmc_io_rw_direct_host+0xa4/0x13c) [ 6.056365] [<c0442704>] (mmc_io_rw_direct_host) from [<c04434c8>] (sdio_read_cis+0x168/0x298) [ 6.065460] [<c04434c8>] (sdio_read_cis) from [<c04419ac>] (mmc_sdio_init_card+0x3e0/0xaa4) [ 6.074279] [<c04419ac>] (mmc_sdio_init_card) from [<c0442378>] (mmc_attach_sdio+0x78/0x360) [ 6.083190] [<c0442378>] (mmc_attach_sdio) from [<c043aec8>] (mmc_rescan+0x260/0x2e8) [ 6.091461] [<c043aec8>] (mmc_rescan) from [<c00590bc>] (process_one_work+0x1ac/0x4c4) [ 6.099792] [<c00590bc>] (process_one_work) from [<c0059f54>] (worker_thread+0x114/0x3b4) [ 6.108428] [<c0059f54>] (worker_thread) from [<c005fb48>] (kthread+0xcc/0xe8) [ 6.116058] [<c005fb48>] (kthread) from [<c000e548>] (ret_from_fork+0x14/0x2c) [ 6.123687] ---[ end trace 7a6d7b7456eca3f3 ]--- ~$off # PYBOOT: Exception: kernel: ERROR: failed to boot: <class 'pexpect.TIMEOUT'> # PYBOOT: Time: 80.72 seconds. # PYBOOT: Result: FAIL mvebu_defconfig --------------- armada-xp-openblocks-ax3-4: FAIL: last 24 lines of boot log: ------------------------------------------------------------ [<c04cfc40>] (kernel_init_freeable) from [<c03a2558>] (kernel_init+0x8/0x120) [<c03a2558>] (kernel_init) from [<c000e278>] (ret_from_fork+0x14/0x3c) Code: 8a000012 ebfff583 e2840054 f57ff05b (e1903f9f) ---[ end trace 472b9e95ddb260ee ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b CPU1: stopping CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 3.13.0-next-20140123 #1 [<c0014824>] (unwind_backtrace) from [<c00110d4>] (show_stack+0x10/0x14) [<c00110d4>] (show_stack) from [<c03a6d80>] (dump_stack+0x80/0x90) [<c03a6d80>] (dump_stack) from [<c0013be4>] (handle_IPI+0x148/0x170) [<c0013be4>] (handle_IPI) from [<c00085ac>] (armada_370_xp_handle_irq+0xac/0xb0) [<c00085ac>] (armada_370_xp_handle_irq) from [<c0011c00>] (__irq_svc+0x40/0x50) Exception stack(0xee877fa0 to 0xee877fe8) 7fa0: eefe65b8 00000000 000009ae 00000000 ee876000 c05044ac c03ad9c8 ee876000 7fc0: c0531ab6 00000001 c0531ab6 ee876000 00000000 ee877fe8 c000edec c00556ac 7fe0: 60000113 ffffffff [<c0011c00>] (__irq_svc) from [<c00556ac>] (cpu_startup_entry+0xf4/0x134) [<c00556ac>] (cpu_startup_entry) from [<00008644>] (0x8644) ~$off # PYBOOT: Exception: kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000054 # PYBOOT: Time: 20.24 seconds. # PYBOOT: Result: FAIL multi_v7_defconfig ------------------ omap4-panda-es: FAIL: last 24 lines of boot log: ------------------------------------------------ [ 1.621734] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [ 1.629058] Registering SWP/SWPB emulation handler [ 1.634826] vwl1271: 1800 mV [ 1.641204] Skipping twl internal clock init and using bootloader value (unknown osc rate) [ 1.651214] twl 0-0048: PIH (irq 39) nested IRQs [ 1.657470] twl_rtc rtc.11: Enabling TWL-RTC [ 1.664337] twl_rtc rtc.11: rtc core: registered rtc.11 as rtc0 [ 1.671203] VAUX1_6030: 1000 <--> 3000 mV at 2800 mV [ 1.677185] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [ 1.683227] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [ 1.689178] VMMC: 1200 <--> 3000 mV at 3000 mV [ 1.694641] VPP: 1800 <--> 2500 mV at 1900 mV [ 1.699981] VUSIM: 1200 <--> 2900 mV at 1800 mV [ 1.705383] VDAC: 1800 mV [ 1.705383] VANA: 2100 mV [ 1.712097] VCXIO: 1800 mV [ 1.712097] VUSB: 3300 mV [ 1.718841] V1V8: 1800 mV [ 1.722351] V2V1: 2100 mV [ 1.729248] omap_i2c 48070000.i2c: bus 0 rev0.11 at 400 kHz ~$off # PYBOOT: Exception: kernel: ERROR: failed to boot: <class 'pexpect.TIMEOUT'> # PYBOOT: Time: 107.11 seconds. # PYBOOT: Result: FAIL armada-xp-openblocks-ax3-4: FAIL: last 24 lines of boot log: ------------------------------------------------------------ [ 1.322427] [<c0587e1c>] (kernel_init) from [<c000e578>] (ret_from_fork+0x14/0x3c) [ 1.330017] Code: 8a000012 ebfff583 e2840054 f57ff05b (e1903f9f) [ 1.336160] ---[ end trace 99e13b022d90e587 ]--- [ 1.340808] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 1.340808] [ 1.349968] CPU0: stopping [ 1.352686] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D 3.13.0-next-20140123 #1 [ 1.360808] [<c001584c>] (unwind_backtrace) from [<c00113fc>] (show_stack+0x10/0x14) [ 1.368576] [<c00113fc>] (show_stack) from [<c058d960>] (dump_stack+0x84/0x94) [ 1.375819] [<c058d960>] (dump_stack) from [<c0014120>] (handle_IPI+0x148/0x174) [ 1.383237] [<c0014120>] (handle_IPI) from [<c00086fc>] (armada_370_xp_handle_irq+0xa8/0x114) [ 1.391786] [<c00086fc>] (armada_370_xp_handle_irq) from [<c0011f80>] (__irq_svc+0x40/0x50) [ 1.400157] Exception stack(0xc0895f68 to 0xc0895fb0) [ 1.405222] 5f60: ffffffed 2d744000 c089d4e0 00000000 c089c4cc c0894000 [ 1.413422] 5f80: c089c450 c093e60b c0598128 c0894000 c093e60b c0894000 00000000 c0895fb0 [ 1.421620] 5fa0: c000f118 c0080fc0 60000113 ffffffff [ 1.426690] [<c0011f80>] (__irq_svc) from [<c0080fc0>] (cpu_startup_entry+0x100/0x144) [ 1.434632] [<c0080fc0>] (cpu_startup_entry) from [<c0813b00>] (start_kernel+0x358/0x364) [ 1.442832] [<c0813b00>] (start_kernel) from [<00008074>] (0x8074) ~$off # PYBOOT: Exception: kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000054 # PYBOOT: Time: 22.53 seconds. # PYBOOT: Result: FAIL omap3-tobi,3730storm: FAIL: last 24 lines of boot log: ------------------------------------------------------ smc911x: MAC 00:15:c9:28:f0:11 Using smc911x-0 device TFTP from server 192.168.1.2; our IP address is 192.168.1.159 Filename 'tmp/3730storm-zRT3v1/omap3-tobi.dtb'. Load address: 0x81f00000 Loading: *#### 2.3 MiB/s done Bytes transferred = 56692 (dd74 hex) Overo # printenv bootargs printenv bootargs bootargs=console=ttyO2,115200n8 earlyprintk rw root=/dev/mmcblk0p2 rootwait rootfstype=ext4 ip=192.168.1.159:192.168.1.2:192.168.1.254:255.255.255.0::::192.168.1.254:none Overo # bootz ${loadaddr} - 0x81f00000 bootz ${loadaddr} - 0x81f00000 ## Flattened Device Tree blob at 81f00000 Booting using the fdt blob at 0x81f00000 Loading Device Tree to 8ffef000, end 8ffffd73 ... OK Starting kernel ... ~$off # PYBOOT: Exception: kernel: ERROR: did not start booting. # PYBOOT: Time: 26.15 seconds. # PYBOOT: Result: FAIL

11 years, 3 months

mainline boot: 37 pass, 0 fail (v3.13-3995-g0dc3fd0)

by Kevin's boot bot

Automated DT boot report for various ARM defconfigs. Tree/Branch: mainline Git describe: v3.13-3995-g0dc3fd0 Full Report =========== omap2plus_defconfig ------------------- am335x-boneblack PASS: 0 min 25.8 sec omap3-beagle-xm PASS: 0 min 54.6 sec am335x-bone PASS: 0 min 27.6 sec omap3-tobi,3530overo PASS: 0 min 22.9 sec omap4-panda PASS: 1 min 5.5 sec omap4-panda-es PASS: 1 min 4.2 sec omap3-tobi,3730storm PASS: 0 min 24.8 sec omap3-beagle PASS: 0 min 55.8 sec multi_lpae_defconfig -------------------- sun7i-a20-cubieboard2 PASS: 0 min 18.9 sec tegra_defconfig --------------- tegra30-beaver PASS: 0 min 20.2 sec imx_v6_v7_defconfig ------------------- imx6dl-wandboard,wand-dual PASS: 0 min 18.7 sec imx6dl-wandboard,wand-solo PASS: 0 min 18.9 sec imx6q-wandboard PASS: 0 min 16.1 sec sunxi_defconfig --------------- sun7i-a20-cubieboard2 PASS: 0 min 11.9 sec sun4i-a10-cubieboard PASS: 0 min 20.8 sec mvebu_defconfig --------------- armada-xp-openblocks-ax3-4 PASS: 0 min 21.9 sec armada-370-mirabox PASS: 0 min 19.9 sec exynos_defconfig ---------------- exynos5250-arndale PASS: 0 min 29.8 sec multi_v7_defconfig ------------------ ste-snowball PASS: 0 min 29.7 sec tegra30-beaver PASS: 0 min 14.4 sec am335x-boneblack PASS: 0 min 22.6 sec omap3-beagle-xm PASS: 0 min 55.9 sec sun7i-a20-cubieboard2 PASS: 0 min 14.1 sec armada-370-mirabox PASS: 0 min 20.7 sec omap4-panda PASS: 1 min 11.2 sec omap4-panda-es PASS: 1 min 8.0 sec armada-xp-openblocks-ax3-4 PASS: 0 min 22.2 sec sun4i-a10-cubieboard PASS: 0 min 18.6 sec imx6dl-wandboard,wand-solo PASS: 0 min 17.2 sec omap3-tobi,3530overo PASS: 0 min 20.9 sec am335x-bone PASS: 0 min 24.3 sec imx6q-wandboard PASS: 0 min 16.6 sec omap3-tobi,3730storm PASS: 0 min 23.8 sec imx6dl-wandboard,wand-dual PASS: 0 min 18.5 sec omap3-beagle PASS: 1 min 16.5 sec u8500_defconfig --------------- ste-snowball PASS: 0 min 27.5 sec sama5_defconfig --------------- sama5d35ek PASS: 0 min 17.4 sec

11 years, 3 months

mainline boot: 37 pass, 0 fail (v3.13-3856-gbb1281f)

by Kevin's boot bot

Automated DT boot report for various ARM defconfigs. Tree/Branch: mainline Git describe: v3.13-3856-gbb1281f Full Report =========== omap2plus_defconfig ------------------- am335x-boneblack PASS: 0 min 25.9 sec omap3-beagle-xm PASS: 0 min 59.3 sec am335x-bone PASS: 0 min 27.6 sec omap3-tobi,3530overo PASS: 0 min 25.9 sec omap4-panda PASS: 1 min 8.1 sec omap4-panda-es PASS: 1 min 9.3 sec omap3-tobi,3730storm PASS: 0 min 25.0 sec omap3-beagle PASS: 1 min 5.0 sec multi_lpae_defconfig -------------------- sun7i-a20-cubieboard2 PASS: 0 min 13.8 sec tegra_defconfig --------------- tegra30-beaver PASS: 0 min 17.1 sec imx_v6_v7_defconfig ------------------- imx6dl-wandboard,wand-dual PASS: 0 min 17.5 sec imx6dl-wandboard,wand-solo PASS: 0 min 18.9 sec imx6q-wandboard PASS: 0 min 17.4 sec sunxi_defconfig --------------- sun7i-a20-cubieboard2 PASS: 0 min 11.9 sec sun4i-a10-cubieboard PASS: 0 min 17.5 sec mvebu_defconfig --------------- armada-xp-openblocks-ax3-4 PASS: 0 min 21.9 sec armada-370-mirabox PASS: 0 min 19.9 sec exynos_defconfig ---------------- exynos5250-arndale PASS: 0 min 30.0 sec multi_v7_defconfig ------------------ ste-snowball PASS: 0 min 29.4 sec tegra30-beaver PASS: 0 min 14.3 sec am335x-boneblack PASS: 0 min 22.6 sec omap3-beagle-xm PASS: 1 min 1.8 sec sun7i-a20-cubieboard2 PASS: 0 min 18.8 sec armada-370-mirabox PASS: 0 min 20.6 sec omap4-panda PASS: 1 min 8.8 sec omap4-panda-es PASS: 1 min 7.1 sec armada-xp-openblocks-ax3-4 PASS: 0 min 22.3 sec sun4i-a10-cubieboard PASS: 0 min 18.7 sec imx6dl-wandboard,wand-solo PASS: 0 min 17.4 sec omap3-tobi,3530overo PASS: 0 min 20.9 sec am335x-bone PASS: 0 min 24.2 sec imx6q-wandboard PASS: 0 min 17.4 sec omap3-tobi,3730storm PASS: 0 min 23.5 sec imx6dl-wandboard,wand-dual PASS: 0 min 17.6 sec omap3-beagle PASS: 0 min 49.7 sec u8500_defconfig --------------- ste-snowball PASS: 0 min 27.6 sec sama5_defconfig --------------- sama5d35ek PASS: 0 min 17.4 sec

11 years, 3 months

[PATCH 1/2] net/ipv4: queue work on power efficient wq

by Viresh Kumar

Workqueue used in ipv4 layer have no real dependency of scheduling these on the cpu which scheduled them. On a idle system, it is observed that an idle cpu wakes up many times just to service this work. It would be better if we can schedule it on a cpu which the scheduler believes to be the most appropriate one. This patch replaces normal workqueues with power efficient versions. This doesn't change existing behavior of code unless CONFIG_WQ_POWER_EFFICIENT is enabled. Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> --- Initial support for power-efficient workqueues was added here: https://lkml.org/lkml/2013/4/24/215 net/ipv4/devinet.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 646023b..ac2dff3 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -474,7 +474,7 @@ static int __inet_insert_ifa(struct in_ifaddr *ifa, struct nlmsghdr *nlh, inet_hash_insert(dev_net(in_dev->dev), ifa); cancel_delayed_work(&check_lifetime_work); - schedule_delayed_work(&check_lifetime_work, 0); + queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, 0); /* Send message first, then call notifier. Notifier will trigger FIB update, so that @@ -684,7 +684,8 @@ static void check_lifetime(struct work_struct *work) if (time_before(next_sched, now + ADDRCONF_TIMER_FUZZ_MAX)) next_sched = now + ADDRCONF_TIMER_FUZZ_MAX; - schedule_delayed_work(&check_lifetime_work, next_sched - now); + queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, + next_sched - now); } static void set_ifa_lifetime(struct in_ifaddr *ifa, __u32 valid_lft, @@ -842,7 +843,8 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) ifa = ifa_existing; set_ifa_lifetime(ifa, valid_lft, prefered_lft); cancel_delayed_work(&check_lifetime_work); - schedule_delayed_work(&check_lifetime_work, 0); + queue_delayed_work(system_power_efficient_wq, + &check_lifetime_work, 0); rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid); blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa); } @@ -2322,7 +2324,7 @@ void __init devinet_init(void) register_gifconf(PF_INET, inet_gifconf); register_netdevice_notifier(&ip_netdev_notifier); - schedule_delayed_work(&check_lifetime_work, 0); + queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, 0); rtnl_af_register(&inet_af_ops); -- 1.7.12.rc2.18.g61b472e

11 years, 3 months

Jump to page:

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

linaro-kernel