May 2018 - Linux-stable-mirror

+ revert-ipc-shm-fix-shmat-mmap-nil-page-protection.patch added to -mm tree

by akpm＠linux-foundation.org

The patch titled Subject: Revert "ipc/shm: Fix shmat mmap nil-page protection" has been added to the -mm tree. Its filename is revert-ipc-shm-fix-shmat-mmap-nil-page-protection.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/revert-ipc-shm-fix-shmat-mmap-nil-… and later at http://ozlabs.org/~akpm/mmotm/broken-out/revert-ipc-shm-fix-shmat-mmap-nil-… Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Davidlohr Bueso <dave(a)stgolabs.net> Subject: Revert "ipc/shm: Fix shmat mmap nil-page protection" Patch series "ipc/shm: shmat() fixes around nil-page". These patches fix two issues reported[1] a while back by Joe and Andrea around how shmat(2) behaves with nil-page. The first reverts a commit that it was incorrectly thought that mapping nil-page (address=0) was a no no with MAP_FIXED. This is not the case, with the exception of SHM_REMAP; which is address in the second patch. I chose two patches because it is easier to backport and it explicitly reverts bogus behaviour. Both patches ought to be in -stable and ltp testcases need updated (the added testcase around the cve can be modified to just test for SHM_RND|SHM_REMAP). [1] lkml.kernel.org/r/20180430172152.nfa564pvgpk3ut7p@linux-n805 This patch (of 2): 95e91b831f87 (ipc/shm: Fix shmat mmap nil-page protection) worked on the idea that we should not be mapping as root addr=0 and MAP_FIXED. However, it was reported that this scenario is in fact valid, thus making the patch both bogus and breaks userspace as well. For example X11's libint10.so relies on shmat(1, SHM_RND) for lowmem initialization[1]. [1] https://cgit.freedesktop.org/xorg/xserver/tree/hw/xfree86/os-support/linux/… Link: http://lkml.kernel.org/r/20180503203243.15045-2-dave@stgolabs.net Signed-off-by: Davidlohr Bueso <dbueso(a)suse.de> Reported-by: Joe Lawrence <joe.lawrence(a)redhat.com> Reported-by: Andrea Arcangeli <aarcange(a)redhat.com> Cc: Manfred Spraul <manfred(a)colorfullife.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- ipc/shm.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff -puN ipc/shm.c~revert-ipc-shm-fix-shmat-mmap-nil-page-protection ipc/shm.c --- a/ipc/shm.c~revert-ipc-shm-fix-shmat-mmap-nil-page-protection +++ a/ipc/shm.c @@ -1363,13 +1363,8 @@ long do_shmat(int shmid, char __user *sh if (addr) { if (addr & (shmlba - 1)) { - /* - * Round down to the nearest multiple of shmlba. - * For sane do_mmap_pgoff() parameters, avoid - * round downs that trigger nil-page and MAP_FIXED. - */ - if ((shmflg & SHM_RND) && addr >= shmlba) - addr &= ~(shmlba - 1); + if (shmflg & SHM_RND) + addr &= ~(shmlba - 1); /* round down */ else #ifndef __ARCH_FORCE_SHMLBA if (addr & ~PAGE_MASK) _ Patches currently in -mm which might be from dave(a)stgolabs.net are ipc-sem-mitigate-semnum-index-against-spectre-v1.patch revert-ipc-shm-fix-shmat-mmap-nil-page-protection.patch ipc-shm-fix-shmat-nil-address-after-round-down-when-remapping.patch

6 years, 5 months

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[PATCH for-rc v2 0/6] IB/hfi1,rdmavt: Fixes for the 4.17 RC

by Dennis Dalessandro

Hi Jason and Doug, Here are 6 patches that might make the bar for RC. The first patch fixes something that came in pretty recently, I beleive 4.13. The second patch is trivial, but does modify user visible text. Patch 3 looks large but it's mostly comments. It just moves code. Patch 4 is also pretty simple. The last two patches fix memory leaks. If you don't think these pass muster for RC please carry over to for-next. Changes since V1: Correct version tag so it shows up as for-rc in patchworks. --- Michael J. Ruhl (1): IB/hfi1 Use correct type for num_user_context Mike Marciniszyn (2): IB/hfi1: Fix handling of FECN marked multicast packet IB/hfi1: Fix loss of BECN with AHG Sebastian Sanchez (3): IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used IB/{hfi1,rdmavt}: Fix memory leak in hfi1_alloc_devdata() upon failure IB/hfi1: Fix memory leak in exception path in get_irq_affinity() drivers/infiniband/hw/hfi1/affinity.c | 11 +++---- drivers/infiniband/hw/hfi1/driver.c | 19 ++++++++++--- drivers/infiniband/hw/hfi1/hfi.h | 8 +++-- drivers/infiniband/hw/hfi1/init.c | 43 ++++++++++++++++++++-------- drivers/infiniband/hw/hfi1/pcie.c | 3 -- drivers/infiniband/hw/hfi1/platform.c | 1 + drivers/infiniband/hw/hfi1/qsfp.c | 2 + drivers/infiniband/hw/hfi1/ruc.c | 50 ++++++++++++++++++++++++++------- drivers/infiniband/hw/hfi1/ud.c | 6 ++-- 9 files changed, 101 insertions(+), 42 deletions(-) -- -Denny

6 years, 5 months

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[PATCH 0/1] KVM: s390: one more backport for 4.4

by Christian Borntraeger

Greg, this is a backport of a patch that is needed to make "KVM: s390: wire up bpb feature" useful in 4.4. Without that the bpb feature is available but the guest does not know that it can be used. Alexander Yarygin (1): KVM: s390: Enable all facility bits that are known good for passthrough arch/s390/kvm/kvm-s390.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.14.2

6 years, 5 months

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[PATCH 0/2] fixes for v4.4

by Jarkko Sakkinen

Decided to add Enric's commit because it is also a bug fix instead of modifying Chris commit. Chris Chiu (1): tpm: self test failure should not cause suspend to fail Enric Balletbo i Serra (1): tpm: do not suspend/resume if power stays on drivers/char/tpm/tpm-interface.c | 7 +++++++ drivers/char/tpm/tpm.h | 1 + drivers/char/tpm/tpm_of.c | 3 +++ 3 files changed, 11 insertions(+) -- 2.17.0

6 years, 5 months

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[PATCH 4.9] arm/arm64: KVM: Add PSCI version selection API

by Marc Zyngier

commit 85bd0ba1ff9875798fad94218b627ea9f768f3c3 upstream. Although we've implemented PSCI 0.1, 0.2 and 1.0, we expose either 0.1 or 1.0 to a guest, defaulting to the latest version of the PSCI implementation that is compatible with the requested version. This is no different from doing a firmware upgrade on KVM. But in order to give a chance to hypothetical badly implemented guests that would have a fit by discovering something other than PSCI 0.2, let's provide a new API that allows userspace to pick one particular version of the API. This is implemented as a new class of "firmware" registers, where we expose the PSCI version. This allows the PSCI version to be save/restored as part of a guest migration, and also set to any supported version if the guest requires it. Cc: stable(a)vger.kernel.org #4.16 Reviewed-by: Christoffer Dall <cdall(a)kernel.org> Signed-off-by: Marc Zyngier <marc.zyngier(a)arm.com> --- Documentation/virtual/kvm/api.txt | 9 ++++- Documentation/virtual/kvm/arm/psci.txt | 30 +++++++++++++++++ arch/arm/include/asm/kvm_host.h | 3 ++ arch/arm/include/uapi/asm/kvm.h | 6 ++++ arch/arm/kvm/guest.c | 13 ++++++++ arch/arm/kvm/psci.c | 60 ++++++++++++++++++++++++++++++++++ arch/arm64/include/asm/kvm_host.h | 3 ++ arch/arm64/include/uapi/asm/kvm.h | 6 ++++ arch/arm64/kvm/guest.c | 14 +++++++- include/kvm/arm_psci.h | 16 +++++++-- 10 files changed, 156 insertions(+), 4 deletions(-) create mode 100644 Documentation/virtual/kvm/arm/psci.txt diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 1f5eab4ef88f..e46c14fac9da 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -2118,6 +2118,9 @@ ARM 32-bit VFP control registers have the following id bit patterns: ARM 64-bit FP registers have the following id bit patterns: 0x4030 0000 0012 0 <regno:12> +ARM firmware pseudo-registers have the following bit pattern: + 0x4030 0000 0014 <regno:16> + arm64 registers are mapped using the lower 32 bits. The upper 16 of that is the register group type, or coprocessor number: @@ -2134,6 +2137,9 @@ arm64 CCSIDR registers are demultiplexed by CSSELR value: arm64 system registers have the following id bit patterns: 0x6030 0000 0013 <op0:2> <op1:3> <crn:4> <crm:4> <op2:3> +arm64 firmware pseudo-registers have the following bit pattern: + 0x6030 0000 0014 <regno:16> + MIPS registers are mapped using the lower 32 bits. The upper 16 of that is the register group type: @@ -2656,7 +2662,8 @@ Possible features: and execute guest code when KVM_RUN is called. - KVM_ARM_VCPU_EL1_32BIT: Starts the CPU in a 32bit mode. Depends on KVM_CAP_ARM_EL1_32BIT (arm64 only). - - KVM_ARM_VCPU_PSCI_0_2: Emulate PSCI v0.2 for the CPU. + - KVM_ARM_VCPU_PSCI_0_2: Emulate PSCI v0.2 (or a future revision + backward compatible with v0.2) for the CPU. Depends on KVM_CAP_ARM_PSCI_0_2. - KVM_ARM_VCPU_PMU_V3: Emulate PMUv3 for the CPU. Depends on KVM_CAP_ARM_PMU_V3. diff --git a/Documentation/virtual/kvm/arm/psci.txt b/Documentation/virtual/kvm/arm/psci.txt new file mode 100644 index 000000000000..aafdab887b04 --- /dev/null +++ b/Documentation/virtual/kvm/arm/psci.txt @@ -0,0 +1,30 @@ +KVM implements the PSCI (Power State Coordination Interface) +specification in order to provide services such as CPU on/off, reset +and power-off to the guest. + +The PSCI specification is regularly updated to provide new features, +and KVM implements these updates if they make sense from a virtualization +point of view. + +This means that a guest booted on two different versions of KVM can +observe two different "firmware" revisions. This could cause issues if +a given guest is tied to a particular PSCI revision (unlikely), or if +a migration causes a different PSCI version to be exposed out of the +blue to an unsuspecting guest. + +In order to remedy this situation, KVM exposes a set of "firmware +pseudo-registers" that can be manipulated using the GET/SET_ONE_REG +interface. These registers can be saved/restored by userspace, and set +to a convenient value if required. + +The following register is defined: + +* KVM_REG_ARM_PSCI_VERSION: + + - Only valid if the vcpu has the KVM_ARM_VCPU_PSCI_0_2 feature set + (and thus has already been initialized) + - Returns the current PSCI version on GET_ONE_REG (defaulting to the + highest PSCI version implemented by KVM and compatible with v0.2) + - Allows any PSCI version implemented by KVM and compatible with + v0.2 to be set with SET_ONE_REG + - Affects the whole VM (even if the register view is per-vcpu) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 9fe1043e72d2..f4dab20ac9f3 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -78,6 +78,9 @@ struct kvm_arch { /* Interrupt controller */ struct vgic_dist vgic; int max_vcpus; + + /* Mandated version of PSCI */ + u32 psci_version; }; #define KVM_NR_MEM_OBJS 40 diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h index b38c10c73579..0b8cf31d8416 100644 --- a/arch/arm/include/uapi/asm/kvm.h +++ b/arch/arm/include/uapi/asm/kvm.h @@ -173,6 +173,12 @@ struct kvm_arch_memory_slot { #define KVM_REG_ARM_VFP_FPINST 0x1009 #define KVM_REG_ARM_VFP_FPINST2 0x100A +/* KVM-as-firmware specific pseudo-registers */ +#define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM | KVM_REG_SIZE_U64 | \ + KVM_REG_ARM_FW | ((r) & 0xffff)) +#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) + /* Device Control API: ARM VGIC */ #define KVM_DEV_ARM_VGIC_GRP_ADDR 0 #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c index 9aca92074f85..630117d2e8bd 100644 --- a/arch/arm/kvm/guest.c +++ b/arch/arm/kvm/guest.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/fs.h> +#include <kvm/arm_psci.h> #include <asm/cputype.h> #include <asm/uaccess.h> #include <asm/kvm.h> @@ -176,6 +177,7 @@ static unsigned long num_core_regs(void) unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu) { return num_core_regs() + kvm_arm_num_coproc_regs(vcpu) + + kvm_arm_get_fw_num_regs(vcpu) + NUM_TIMER_REGS; } @@ -196,6 +198,11 @@ int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices) uindices++; } + ret = kvm_arm_copy_fw_reg_indices(vcpu, uindices); + if (ret) + return ret; + uindices += kvm_arm_get_fw_num_regs(vcpu); + ret = copy_timer_indices(vcpu, uindices); if (ret) return ret; @@ -214,6 +221,9 @@ int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return get_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_get_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return get_timer_reg(vcpu, reg); @@ -230,6 +240,9 @@ int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return set_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_set_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return set_timer_reg(vcpu, reg); diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c index 3d962257c166..8a9c654f4f87 100644 --- a/arch/arm/kvm/psci.c +++ b/arch/arm/kvm/psci.c @@ -18,6 +18,7 @@ #include <linux/arm-smccc.h> #include <linux/preempt.h> #include <linux/kvm_host.h> +#include <linux/uaccess.h> #include <linux/wait.h> #include <asm/cputype.h> @@ -425,3 +426,62 @@ int kvm_hvc_call_handler(struct kvm_vcpu *vcpu) smccc_set_retval(vcpu, val, 0, 0, 0); return 1; } + +int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu) +{ + return 1; /* PSCI version */ +} + +int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices) +{ + if (put_user(KVM_REG_ARM_PSCI_VERSION, uindices)) + return -EFAULT; + + return 0; +} + +int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) +{ + if (reg->id == KVM_REG_ARM_PSCI_VERSION) { + void __user *uaddr = (void __user *)(long)reg->addr; + u64 val; + + val = kvm_psci_version(vcpu, vcpu->kvm); + if (copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id))) + return -EFAULT; + + return 0; + } + + return -EINVAL; +} + +int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) +{ + if (reg->id == KVM_REG_ARM_PSCI_VERSION) { + void __user *uaddr = (void __user *)(long)reg->addr; + bool wants_02; + u64 val; + + if (copy_from_user(&val, uaddr, KVM_REG_SIZE(reg->id))) + return -EFAULT; + + wants_02 = test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features); + + switch (val) { + case KVM_ARM_PSCI_0_1: + if (wants_02) + return -EINVAL; + vcpu->kvm->arch.psci_version = val; + return 0; + case KVM_ARM_PSCI_0_2: + case KVM_ARM_PSCI_1_0: + if (!wants_02) + return -EINVAL; + vcpu->kvm->arch.psci_version = val; + return 0; + } + } + + return -EINVAL; +} diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 37d56e85036e..0a33ea304e63 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -73,6 +73,9 @@ struct kvm_arch { /* Timer */ struct arch_timer_kvm timer; + + /* Mandated version of PSCI */ + u32 psci_version; }; #define KVM_NR_MEM_OBJS 40 diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h index 3051f86a9b5f..702de7a2b024 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -195,6 +195,12 @@ struct kvm_arch_memory_slot { #define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2) #define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2) +/* KVM-as-firmware specific pseudo-registers */ +#define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ + KVM_REG_ARM_FW | ((r) & 0xffff)) +#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) + /* Device Control API: ARM VGIC */ #define KVM_DEV_ARM_VGIC_GRP_ADDR 0 #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 3f9e15722473..d3e0a2ffb383 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -25,6 +25,7 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/fs.h> +#include <kvm/arm_psci.h> #include <asm/cputype.h> #include <asm/uaccess.h> #include <asm/kvm.h> @@ -205,7 +206,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu) { return num_core_regs() + kvm_arm_num_sys_reg_descs(vcpu) - + NUM_TIMER_REGS; + + kvm_arm_get_fw_num_regs(vcpu) + NUM_TIMER_REGS; } /** @@ -225,6 +226,11 @@ int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices) uindices++; } + ret = kvm_arm_copy_fw_reg_indices(vcpu, uindices); + if (ret) + return ret; + uindices += kvm_arm_get_fw_num_regs(vcpu); + ret = copy_timer_indices(vcpu, uindices); if (ret) return ret; @@ -243,6 +249,9 @@ int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return get_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_get_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return get_timer_reg(vcpu, reg); @@ -259,6 +268,9 @@ int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return set_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_set_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return set_timer_reg(vcpu, reg); diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h index e518e4e3dfb5..4b1548129fa2 100644 --- a/include/kvm/arm_psci.h +++ b/include/kvm/arm_psci.h @@ -37,10 +37,15 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu, struct kvm *kvm) * Our PSCI implementation stays the same across versions from * v0.2 onward, only adding the few mandatory functions (such * as FEATURES with 1.0) that are required by newer - * revisions. It is thus safe to return the latest. + * revisions. It is thus safe to return the latest, unless + * userspace has instructed us otherwise. */ - if (test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features)) + if (test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features)) { + if (vcpu->kvm->arch.psci_version) + return vcpu->kvm->arch.psci_version; + return KVM_ARM_PSCI_LATEST; + } return KVM_ARM_PSCI_0_1; } @@ -48,4 +53,11 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu, struct kvm *kvm) int kvm_hvc_call_handler(struct kvm_vcpu *vcpu); +struct kvm_one_reg; + +int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu); +int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices); +int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); +int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); + #endif /* __KVM_ARM_PSCI_H__ */ -- 2.14.2

6 years, 5 months

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patch "USB: Accept bulk endpoints with 1024-byte maxpacket" added to usb-linus

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled USB: Accept bulk endpoints with 1024-byte maxpacket to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-linus branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will hopefully also be merged in Linus's tree for the next -rc kernel release. If you have any questions about this process, please let me know. >From fb5ee84ea72c5f1b6cabdd1c9d6e8648995ca7c6 Mon Sep 17 00:00:00 2001 From: Alan Stern <stern(a)rowland.harvard.edu> Date: Thu, 3 May 2018 11:04:48 -0400 Subject: USB: Accept bulk endpoints with 1024-byte maxpacket Some non-compliant high-speed USB devices have bulk endpoints with a 1024-byte maxpacket size. Although such endpoints don't work with xHCI host controllers, they do work with EHCI controllers. We used to accept these invalid sizes (with a warning), but we no longer do because of an unintentional change introduced by commit aed9d65ac327 ("USB: validate wMaxPacketValue entries in endpoint descriptors"). This patch restores the old behavior, so that people with these peculiar devices can use them without patching their kernels by hand. Signed-off-by: Alan Stern <stern(a)rowland.harvard.edu> Suggested-by: Elvinas <elvinas(a)veikia.lt> Fixes: aed9d65ac327 ("USB: validate wMaxPacketValue entries in endpoint descriptors") CC: <stable(a)vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/usb/core/config.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index c821b4b9647e..7b5cb28ffb35 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -191,7 +191,9 @@ static const unsigned short full_speed_maxpacket_maxes[4] = { static const unsigned short high_speed_maxpacket_maxes[4] = { [USB_ENDPOINT_XFER_CONTROL] = 64, [USB_ENDPOINT_XFER_ISOC] = 1024, - [USB_ENDPOINT_XFER_BULK] = 512, + + /* Bulk should be 512, but some devices use 1024: we will warn below */ + [USB_ENDPOINT_XFER_BULK] = 1024, [USB_ENDPOINT_XFER_INT] = 1024, }; static const unsigned short super_speed_maxpacket_maxes[4] = { -- 2.17.0

6 years, 5 months

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4.14.y needs commit 71546d100422b

by Guenter Roeck

Hi Greg, please pull commit 71546d100422b ("percpu: include linux/sched.h for cond_resched()") into v4.14.y to avoid build errors for microblaze and other architectures. Also, with that many patches queued, can we possibly get more than the usual number of days for testing the next round of stable releases ? Thanks, Guenter

6 years, 5 months

2
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[PATCH v4][for 4.17-rc3] cpufreq / CPPC: Set platform specific transition_delay_us

by Prashanth Prakash

Add support to specify platform specific transition_delay_us instead of using the transition delay derived from PCC. With commit "3d41386d556d: cpufreq: CPPC: Use transition_delay_us depending transition_latency" we are setting transition_delay_us directly and not applying the LATENCY_MULTIPLIER. With this on Qualcomm Centriq we can end up with a very high rate of frequency change requests when using schedutil governor (default rate_limit_us=10 compared to an earlier value of 10000). The PCC subspace describes the rate at which the platform can accept commands on the CPPC's PCC channel. This includes read and write command on the PCC channel that can be used for reasons other than frequency transitions. Moreover the same PCC subspace can be used by multiple freq domains and deriving transition_delay_us from it as we do now can be sub-optimal. Moreover if a platform does not use PCC for desired_perf register then there is no way to compute the transition latency or the delay_us. CPPC does not have a standard defined mechanism to get the transition rate or the latency at the moment. Given the above limitations, it is simpler to have a platform specific transition_delay_us and rely on PCC derived value only if a platform specific value is not available. Signed-off-by: Prashanth Prakash <pprakash(a)codeaurora.org> Cc: Viresh Kumar <viresh.kumar(a)linaro.org> Cc: Rafael J. Wysocki <rjw(a)rjwysocki.net> Cc: 4.14+ <stable(a)vger.kernel.org> Fixes: 3d41386d556d ("cpufreq: CPPC: Use transition_delay_us depending transition_latency) --- v2: * Return final delay_us from cppc_cpufreq_get_transition_delay_us (Viresh) v3 and v4: * code style changes (Viresh) --- drivers/cpufreq/cppc_cpufreq.c | 47 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 45 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c index bc5fc16..1b690f4 100644 --- a/drivers/cpufreq/cppc_cpufreq.c +++ b/drivers/cpufreq/cppc_cpufreq.c @@ -126,6 +126,50 @@ static void cppc_cpufreq_stop_cpu(struct cpufreq_policy *policy) cpu->perf_caps.lowest_perf, cpu_num, ret); } +/* + * The PCC subspace describes the rate at which platform can accept commands + * on the shared PCC channel (including READs which do not count towards freq + * trasition requests), so ideally we need to use the PCC values as a fallback + * if we don't have a platform specific transition_delay_us + */ +#ifdef CONFIG_ARM64 +#include <asm/cputype.h> + +static unsigned int cppc_cpufreq_get_transition_delay_us(int cpu) +{ + unsigned long implementor = read_cpuid_implementor(); + unsigned long part_num = read_cpuid_part_number(); + unsigned int delay_us = 0; + + switch (implementor) { + case ARM_CPU_IMP_QCOM: + switch (part_num) { + case QCOM_CPU_PART_FALKOR_V1: + case QCOM_CPU_PART_FALKOR: + delay_us = 10000; + break; + default: + delay_us = cppc_get_transition_latency(cpu) / + NSEC_PER_USEC; + break; + } + break; + default: + delay_us = cppc_get_transition_latency(cpu) / NSEC_PER_USEC; + break; + } + + return delay_us; +} + +#else + +static unsigned int cppc_cpufreq_get_transition_delay_us(int cpu) +{ + return cppc_get_transition_latency(cpu) / NSEC_PER_USEC; +} +#endif + static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy) { struct cppc_cpudata *cpu; @@ -162,8 +206,7 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy) cpu->perf_caps.highest_perf; policy->cpuinfo.max_freq = cppc_dmi_max_khz; - policy->transition_delay_us = cppc_get_transition_latency(cpu_num) / - NSEC_PER_USEC; + policy->transition_delay_us = cppc_cpufreq_get_transition_delay_us(cpu_num); policy->shared_type = cpu->shared_type; if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) { -- Qualcomm Datacenter Technologies on behalf of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.

6 years, 5 months

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patch "xhci: Fix use-after-free in xhci_free_virt_device" added to usb-linus

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled xhci: Fix use-after-free in xhci_free_virt_device to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-linus branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will hopefully also be merged in Linus's tree for the next -rc kernel release. If you have any questions about this process, please let me know. >From 44a182b9d17765514fa2b1cc911e4e65134eef93 Mon Sep 17 00:00:00 2001 From: Mathias Nyman <mathias.nyman(a)linux.intel.com> Date: Thu, 3 May 2018 17:30:07 +0300 Subject: xhci: Fix use-after-free in xhci_free_virt_device KASAN found a use-after-free in xhci_free_virt_device+0x33b/0x38e where xhci_free_virt_device() sets slot id to 0 if udev exists: if (dev->udev && dev->udev->slot_id) dev->udev->slot_id = 0; dev->udev will be true even if udev is freed because dev->udev is not set to NULL. set dev->udev pointer to NULL in xhci_free_dev() The original patch went to stable so this fix needs to be applied there as well. Fixes: a400efe455f7 ("xhci: zero usb device slot_id member when disabling and freeing a xhci slot") Cc: <stable(a)vger.kernel.org> Reported-by: Guenter Roeck <linux(a)roeck-us.net> Reviewed-by: Guenter Roeck <linux(a)roeck-us.net> Tested-by: Guenter Roeck <linux(a)roeck-us.net> Signed-off-by: Mathias Nyman <mathias.nyman(a)linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/usb/host/xhci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 9b27798ecce5..711da3306b14 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3621,6 +3621,7 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) del_timer_sync(&virt_dev->eps[i].stop_cmd_timer); } xhci_debugfs_remove_slot(xhci, udev->slot_id); + virt_dev->udev = NULL; ret = xhci_disable_slot(xhci, udev->slot_id); if (ret) xhci_free_virt_device(xhci, udev->slot_id); -- 2.17.0

6 years, 5 months

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[GIT PULL] commits for Linux 4.4

by Sasha Levin

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi Greg, Pleae pull commits for Linux 4.4 . I've sent a review request for all commits over a week ago and all comments were addressed. Thanks, Sasha ===== The following changes since commit 8e2def054b2b088d18d7009aecf470aa62ab360e: Linux 4.4.129 (2018-04-24 09:32:12 +0200) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git tags/for-greg-4.4-26042018 for you to fetch changes up to 2ad01125dde476c91cd8ff0f1d5122243b2582bd: kdb: make "mdr" command repeat (2018-04-26 14:47:05 -0400) - ---------------------------------------------------------------- for-greg-4.4-26042018 - ---------------------------------------------------------------- Alex Estrin (1): IB/ipoib: Fix for potential no-carrier state Alex Williamson (1): PCI: Add function 1 DMA alias quirk for Marvell 9128 Alexandre Belloni (1): rtc: hctosys: Ensure system time doesn't overflow time_t Alexey Dobriyan (1): proc: fix /proc/*/map_files lookup Anders Roxell (1): selftests: memfd: add config fragment for fuse Andrea Parri (2): locking/xchg/alpha: Add unconditional memory barrier to cmpxchg() locking/xchg/alpha: Fix xchg() and cmpxchg() memory ordering bugs Andreas Gruenbacher (1): gfs2: Fix fallocate chunk size Andreas Kemnade (1): usb: musb: fix enumeration after resume Andrzej Hajda (5): clk: samsung: s3c2410: Fix PLL rates clk: samsung: exynos5260: Fix PLL rates clk: samsung: exynos5433: Fix PLL rates clk: samsung: exynos5250: Fix PLL rates clk: samsung: exynos3250: Fix PLL rates Anna-Maria Gleixner (1): tracing/hrtimer: Fix tracing bugs by taking all clock bases and modes into account Arnaldo Carvalho de Melo (1): perf callchain: Fix attr.sample_max_stack setting Arnd Bergmann (5): scsi: fas216: fix sense buffer initialization x86/power: Fix swsusp_arch_resume prototype cifs: silence compiler warnings showing up with gcc-8.0.0 md: raid5: avoid string overflow warning media: s3c-camif: fix out-of-bounds array access Arvind Yadav (2): xen: xenbus: use put_device() instead of kfree() workqueue: use put_device() instead of kfree() Baoquan He (1): x86/apic: Set up through-local-APIC mode on the boot CPU if 'noapic' specified Bart Van Assche (1): scsi: qla2xxx: Avoid triggering undefined behavior in qla2x00_mbx_completion() Benjamin Poirier (1): e1000e: Fix check_for_link return value with autoneg off Bjorn Andersson (1): pinctrl: msm: Use dynamic GPIO numbering Brad Love (3): media: cx23885: Override 888 ImpactVCBe crystal frequency media: cx23885: Set subdev host data to clk_freq pointer media: em28xx: USB bulk packet size fix Bryan O'Donoghue (1): rtc: snvs: Fix usage of snvs_rtc_enable Carlos Maiolino (1): Force log to disk before reading the AGF during a fstrim Cathy Zhou (1): sunvnet: does not support GSO for sctp Chad Dupuis (1): scsi: bnx2fc: Fix check in SCSI completion handler for timed out request Chen Yu (1): ACPI: processor_perflib: Do not send _PPC change notification if not ready Chien Tin Tung (1): RDMA/ucma: Correct option size check using optlen Chris Dickens (1): usb: gadget: composite: fix incorrect handling of OS desc requests Christophe JAILLET (1): regulator: of: Add a missing 'of_node_put()' in an error handling path of 'of_regulator_match()' Chunyu Hu (1): cpufreq: cppc_cpufreq: Fix cppc_cpufreq_init() failure path Claudio Imbrenda (1): mm/ksm: fix interaction with THP Claudiu Manoil (1): gianfar: Fix Rx byte accounting for ndev stats Colin Ian King (4): clocksource/drivers/fsl_ftm_timer: Fix error return checking staging: rtl8192u: return -ENOMEM on failed allocation of priv->oldaddr rtc: tx4939: avoid unintended sign extension on a 24 bit shift media: cx25821: prevent out-of-bounds read on array card Coly Li (2): bcache: properly set task state in bch_writeback_thread() bcache: quit dc->writeback_thread when BCACHE_DEV_DETACHING is set Cong Wang (1): llc: properly handle dev_queue_xmit() return value Dan Carpenter (5): ASoC: au1x: Fix timeout tests in au1xac97c_ac97_read() HID: roccat: prevent an out of bounds read in kovaplus_profile_activated() scsi: sym53c8xx_2: iterator underflow in sym_getsync() scsi: mptfusion: Add bounds check in mptctl_hp_targetinfo() xen/acpi: off by one in read_acpi_id() Danilo Krummrich (1): fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table Dave Airlie (1): virtio-gpu: fix ioctl and expose the fixed status to userspace. Dave Carroll (1): scsi: aacraid: Insure command thread is not recursively stopped Dave Hansen (1): x86/mm: Do not forbid _PAGE_RW before init for __ro_after_init David Ahern (1): selftests: Add FIB onlink tests David Howells (1): fscache: Fix hanging wait on page discarded by writeback David Lechner (1): ARM: davinci_all_defconfig: set CONFIG_DAVINCI_WATCHDOG=y David Rientjes (1): kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE David S. Miller (1): sparc64: Make atomic_xchg() an inline function rather than a macro. Davidlohr Bueso (1): sched/rt: Fix rq->clock_update_flags < RQCF_ACT_SKIP warning Emmanuel Grumbach (1): mac80211: don't WARN on bad WMM parameters from buggy APs Eric Dumazet (6): smsc75xx: fix smsc75xx_set_features() percpu: add a schedule point in pcpu_balance_workfn() r8152: fix tx packets accounting crypto: af_alg - fix possible uninit-value in alg_bind() soreuseport: initialise timewait reuseport field dccp: initialize ireq->ir_mark Erik Schmauss (1): ACPICA: Events: add a return on failure from acpi_hw_register_read Esben Haabendal (2): dp83640: Ensure against premature access to PHY registers after reset ARM: dts: ls1021a: Specify TBIPA register address Felix Fietkau (1): mac80211: round IEEE80211_TX_STATUS_HEADROOM up to multiple of 4 Filip Sadowski (1): i40e: Add delay after EMP reset for firmware to recover Filipe Manana (2): Btrfs: send, fix issuing write op when processing hole in no data mode Btrfs: fix copy_items() return value when logging an inode Florian Fainelli (1): net: bgmac: Fix endian access in bgmac_dma_tx_ring_free() Florian Westphal (2): netfilter: ebtables: convert BUG_ONs to WARN_ONs netfilter: ebtables: fix erroneous reject of last rule Frank Asseg (1): tools/thermal: tmon: fix for segfault Fredrik Noring (1): USB: OHCI: Fix NULL dereference in HCDs using HCD_LOCAL_MEM Geert Uytterhoeven (7): ARM: OMAP1: clock: Fix debugfs_create_*() usage serial: xuartps: Fix out-of-bounds access through DT alias serial: samsung: Fix out-of-bounds access through serial port index serial: mxs-auart: Fix out-of-bounds access through serial port index serial: imx: Fix out-of-bounds access through serial port index serial: fsl_lpuart: Fix out-of-bounds access through DT alias serial: arc_uart: Fix out-of-bounds access through DT alias Giuseppe Lippolis (1): net-usb: add qmi_wwan if on lte modem wistron neweb d18q1 Govindarajulu Varadarajan (1): enic: enable rq before updating rq descriptors Greg Ungerer (1): m68k: set dma and coherent masks for platform FEC ethernets Gregory CLEMENT (2): mailmap: Update email address for Gregory CLEMENT i2c: mv64xxx: Apply errata delay only in standard mode Grigor Tovmasyan (1): usb: dwc2: Fix interval type issue Guanglei Li (1): RDS: IB: Fix null pointer issue Guenter Roeck (4): watchdog: sp5100_tco: Fix watchdog disable bit hwmon: (nct6775) Fix writing pwmX_mode hwmon: (pmbus/max8688) Accept negative page register values hwmon: (pmbus/adm1275) Accept negative page register values Hannes Reinecke (1): scsi: mpt3sas: Do not mark fw_event workqueue as WQ_MEM_RECLAIM Hector Martin (1): firewire-ohci: work around oversized DMA reads on JMicron controllers Helge Deller (1): parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode Huang Ying (1): mm: fix races between address_space dereference and free in page_evicatable Igor Pylypiv (1): watchdog: f71808e_wdt: Fix magic close handling Ivan Gorinov (2): x86/devicetree: Initialize device tree before using it x86/devicetree: Fix device IRQ settings in DT Jake Daryll Obina (1): jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path James Smart (3): scsi: lpfc: Fix issue_lip if link is disabled scsi: lpfc: Fix soft lockup in lpfc worker thread during LIP testing scsi: lpfc: Fix frequency of Release WQE CQEs Jan Chochol (1): nfs: Do not convert nfs_idmap_cache_timeout to jiffies Jan Kara (1): udf: Provide saner default for invalid uid / gid Jason Yan (1): scsi: libsas: defer ata device eh commands to libata Jay Vosburgh (1): virtio-net: Fix operstate for virtio when no VIRTIO_NET_F_STATUS Jean Delvare (1): firmware: dmi_scan: Fix handling of empty DMI strings Jeff Mahoney (1): btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers Jens Axboe (1): sr: get/drop reference to device in revalidate and check_events Jeremy Cline (1): scsi: sd: Keep disk read-only when re-reading partition Jesper Dangaard Brouer (1): tools/libbpf: handle issues with bpf ELF objects containing .eh_frames Jianchao Wang (1): nvme-pci: Fix nvme queue cleanup if IRQ setup fails Jiandi An (1): ima: Fix Kconfig to select TPM 2.0 CRB interface Jinbum Park (1): ARM: 8748/1: mm: Define vdso_start, vdso_end as array Jiri Olsa (2): perf tests: Use arch__compare_symbol_names to compare symbols perf report: Fix memory corruption in --branch-history mode --branch-history Joe Perches (1): MIPS: Octeon: Fix logging messages with spurious periods after newlines Joerg Roedel (1): x86/pgtable: Don't set huge PUD/PMD on non-leaf entries Joey Pabalinas (1): net/tcp/illinois: replace broken algorithm reference link Johannes Berg (1): regulatory: add NUL to request alpha2 John Keeping (1): usb: gadget: f_uac2: fix bFirstInterface in composite gadget Joonsoo Kim (1): ARM: CMA: avoid double mapping to the CMA area if CONFIG_HIGHMEM=y Jun Piao (1): ocfs2/dlm: don't handle migrate lockres if already in shutdown Kamlakant Patel (1): ipmi_ssif: Fix kernel panic at msg_done_handler Karthikeyan Periyasamy (2): Revert "ath10k: send (re)assoc peer command when NSS changed" ath10k: Fix kernel panic while using worker (ath10k_sta_rc_update_wk) Kees Cook (1): NFC: llcp: Limit size of SDP URI Kirill A. Shutemov (1): asm-generic: provide generic_pmdp_establish() Kristian Evensen (1): USB: serial: option: Add support for Quectel EP06 Larry Finger (1): Bluetooth: btusb: Add device ID for RTL8822BE Lars-Peter Clausen (2): usb: gadget: ffs: Let setup() return USB_GADGET_DELAYED_STATUS usb: gadget: ffs: Execute copy_to_user() with USER_DS set Lenny Szubowicz (1): ACPI: acpi_pad: Fix memory leak in power saving threads Leon Romanovsky (2): RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure net/mlx5: Protect from command bit overflow Linus LÃ¼ssing (2): batman-adv: fix multicast-via-unicast transmission with AP isolation batman-adv: fix packet loss for broadcasted DHCP packets to a server Liu Bo (4): Btrfs: set plug for fsync Btrfs: fix scrub to repair raid6 corruption Btrfs: bail out on error during replay_dir_deletes Btrfs: fix NULL pointer dereference in log_dir_items Logan Gunthorpe (1): ntb_transport: Fix bug with max_mw_size parameter Madhavan Srinivasan (1): powerpc/perf: Prevent kernel address leak to userspace via BHRB buffer Manish Rangankar (1): scsi: qla4xxx: skip error recovery in case of register disconnect. Mark Lord (1): powerpc/bpf/jit: Fix 32-bit JIT for seccomp_data access Mark Salter (1): irqchip/gic-v3: Change pr_debug message to pr_devel Markus Elfring (1): drm/exynos: g2d: Delete an error message for a failed memory allocation in two functions Masami Hiramatsu (5): selftests: ftrace: Add probe event argument syntax testcase selftests: ftrace: Add a testcase for string type with kprobe_event selftests: ftrace: Add a testcase for probepoint tracing/uprobe_event: Fix strncpy corner case media: vb2: Fix videobuf2 to map correct area Mathias Kresin (1): MIPS: ath79: Fix AR724X_PLL_REG_PCIE_CONFIG offset Mathias Nyman (1): xhci: zero usb device slot_id member when disabling and freeing a xhci slot Mathieu Malaterre (1): powerpc: Add missing prototype for arch_irq_work_raise() Matt Redfearn (1): MIPS: TXx9: use IS_BUILTIN() for CONFIG_LEDS_CLASS Matthias Schiffer (3): batman-adv: fix packet checksum in receive path batman-adv: invalidate checksum on fragment reassembly batman-adv: fix header size check in batadv_dbg_arp() Maurizio Lombardi (1): cdrom: do not call check_disk_change() inside cdrom_open() Mauro Carvalho Chehab (1): media: dmxdev: fix error code for invalid ioctls Meelis Roos (1): scsi: aacraid: fix shutdown crash when init fails Mel Gorman (1): mm: pin address_space before dereferencing it while isolating an LRU page Merlijn Wajer (1): usb: musb: call pm_runtime_{get,put}_sync before reading vbus registers Michael Bringmann (2): powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes powerpc/numa: Ensure nodes initialized for hotplug Michael Chan (1): bnxt_en: Check valid VNIC ID in bnxt_hwrm_vnic_set_tpa(). Michael Ellerman (5): selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable powerpc/mpic: Check if cpu_possible() in mpic_physmask() powerpc/perf: Fix kernel address leak via sampling registers selftests: Print the test we're running to /dev/kmsg powerpc/pseries: Make plpar_wrappers.h safe to include when PSERIES=n Michael Kelley (EOSG) (1): scsi: storvsc: Increase cmd_per_lun for higher speed devices Michael Schmitz (1): zorro: Set up z->dev.dma_mask for the DMA API NeilBrown (1): NFSv4: always set NFS_LOCK_LOST when a lock is lost. Nikolay Borisov (2): btrfs: Fix out of bounds access in btrfs_search_slot btrfs: Fix possible softlock on single core machines Paolo Bonzini (1): kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl Paul Mackerras (1): KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB memory backing Pawel Dembicki (1): net: qmi_wwan: add BroadMobi BM806U 2020:2033 Peter Malone (1): fbdev: Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper(). Peter Robinson (1): crypto: sunxi-ss - Add MODULE_ALIAS to sun4i-ss Peter Xu (1): iommu/vt-d: Use domain instead of cache fetching Peter Zijlstra (1): perf/core: Fix perf_output_read_group() Petr Vorel (1): ima: Fallback to the builtin hash algorithm Philipp Puschmann (1): arm: dts: socfpga: fix GIC PPI warning Pierre-Yves Kerbrat (1): e1000e: allocate ring descriptors with dma_zalloc_coherent Prashant Bhole (1): selftests/net: fixes psock_fanout eBPF test case Qi Hou (2): ARM: OMAP2+: timer: fix a kmemleak caused in omap_get_timer_dt dmaengine: pl330: fix a race condition in case of threaded irqs Qu Wenruo (1): btrfs: tests/qgroup: Fix wrong tree backref level Rafael J. Wysocki (1): PCI: Restore config space on runtime resume despite being unbound Randy Dunlap (2): fs/signalfd: fix build error for BUS_MCEERR_AR kdb: make "mdr" command repeat Ranjani Sridharan (1): ASoC: topology: create TLV data for dapm widgets Rich Felker (1): sh: fix debug trap failure to process signals before return to user Richard Guy Briggs (1): audit: return on memory error to avoid null pointer dereference Richard Haines (1): netlabel: If PF_INET6, check sk_buff ip header version Rob Herring (1): microblaze: switch to NO_BOOTMEM Roger Pau Monne (1): xen/pirq: fix error path cleanup when binding MSIs Ross Lagerwall (2): xen-netfront: Fix race between device setup and open xen/grant-table: Use put_page instead of free_page Sabrina Dubroca (1): ipv4: lock mtu in fnhe when received PMTU < net.ipv4.route.min_pmtu Samuel Neves (1): x86/topology: Update the 'cpu cores' field in /proc/cpuinfo correctly across CPU hotplug operations Sean Christopherson (1): KVM: VMX: raise internal error for exception during invalid protected mode state Sebastian Ott (2): s390/cio: fix return code after missing interrupt s390/cio: clear timer when terminating driver I/O Seunghun Han (1): ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c Shawn Lin (2): clk: Don't show the incorrect clock phase clk: rockchip: Prevent calculating mmc phase if clock rate is zero Shunyong Yang (1): cpufreq: CPPC: Initialize shared perf capabilities of CPUs Sinan Kaya (1): net: qlge: Eliminate duplicate barriers on weakly-ordered archs Song Liu (1): perf/cgroup: Fix child event counting bug Stefan Agner (1): usb: gadget: fsl_udc_core: fix ep valid checks Stefano Brivio (2): vti4: Don't count header length twice on tunnel setup vti4: Don't override MTU passed on link creation via IFLA_MTU Steven Rostedt (VMware) (2): tools lib traceevent: Simplify pointer print logic and fix %pF tools lib traceevent: Fix get_field_str() for dynamic strings Sujit Reddy Thumma (1): scsi: ufs: Enable quirk to ignore sending WRITE_SAME command Sylwester Nawrocki (1): ASoC: samsung: i2s: Ensure the RCLK rate is properly determined Takashi Iwai (2): ALSA: hda - Use IS_REACHABLE() for dependency on input ALSA: vmaster: Propagate slave error Tang Junhui (4): bcache: fix for allocator and register thread race bcache: fix for data collapse after re-attaching an attached device bcache: return attach error when no cache set exist bcache: fix kcrashes with fio in RAID5 backend dev Thinh Nguyen (1): usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields Thomas Vincent-Cross (1): PCI: Add function 1 DMA alias quirk for Marvell 88SE9220 Tom Abraham (1): swap: divide-by-zero when zero length swap file on ssd Tony Lindgren (2): ARM: OMAP3: Fix prm wake interrupt for resume ARM: OMAP: Fix dmtimer init for omap1 Torsten Hilbrich (1): net/usb/qmi_wwan.c: Add USB id for lt4120 modem Toshiaki Makita (2): net: Fix vlan untag for bridge and vlan_dev with reorder_hdr off net: Fix untag for vlan packets without ethernet header Ulf Magnusson (4): kconfig: Don't leak main menus during parsing kconfig: Fix automatic menu creation mem leak kconfig: Fix expr_free() E_NOT leak ARC: Fix malformed ARC_EMUL_UNALIGNED default Vaibhav Jain (1): powerpc/xmon: Setup debugger hooks when first break-point is set Vardan Mikayelyan (1): usb: dwc2: Fix dwc2_hsotg_core_init_disconnected() Vicente Bergas (1): Bluetooth: btusb: Add USB ID 7392:a611 for Edimax EW-7611ULB Vinayak Menon (1): mm/kmemleak.c: wait for scan completion before disabling free Vitaly Kuznetsov (1): KVM: lapic: stop advertising DIRECTED_EOI when in-kernel IOAPIC is in use Wei Yongjun (1): ipmi/powernv: Fix error return code in ipmi_powernv_probe() Will Deacon (2): arm64: spinlock: Fix theoretical trylock() A-B-A with LSE atomics locking/qspinlock: Ensure node->count is updated before initialising node Wolfram Sang (2): drm/exynos: fix comparison to bitshift when dealing with a mask usb: gadget: udc: change comparison to bitshift when dealing with a mask Xin Long (1): sit: fix IFLA_MTU ignored on NEWLINK Xose Vazquez Perez (1): scsi: devinfo: fix format of the device list Yelena Krivosheev (1): net: mvneta: fix enable of all initialized RXQs Yisheng Xie (3): mm/mempolicy: fix the check of nodemask from user mm/mempolicy: add nodes_empty check in SYSC_migrate_pages mm/mempolicy.c: avoid use uninitialized preferred_node Yonghong Song (1): bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y Yoshihiro Shimoda (1): dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3 Yufen Yu (2): md raid10: fix NULL deference in handle_write_completed() md/raid1: fix NULL pointer dereference lionel.debieve(a)st.com (1): hwrng: stm32 - add reset during probe mulhern (1): dm thin: fix documentation relative to low water mark threshold piaojun (3): ocfs2: return -EROFS to mount.ocfs2 if inode block is invalid ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute ocfs2: return error when we attempt to access a dirty bh in jbd2 weiyongjun (A) (1): mac80211_hwsim: fix possible memory leak in hwsim_new_radio_nl() Ã~rjan Eide (1): drm/rockchip: Respect page offset for PRIME mmap calls .mailmap | 1 + Documentation/device-mapper/thin-provisioning.txt | 8 +- arch/alpha/include/asm/xchg.h | 30 +- arch/arc/Kconfig | 1 - arch/arm/boot/dts/ls1021a.dtsi | 3 +- arch/arm/boot/dts/socfpga.dtsi | 2 +- arch/arm/configs/davinci_all_defconfig | 2 +- arch/arm/include/asm/vdso.h | 2 - arch/arm/kernel/vdso.c | 12 +- arch/arm/mach-omap1/clock.c | 6 +- arch/arm/mach-omap2/pm.c | 4 +- arch/arm/mach-omap2/timer.c | 19 +- arch/arm/mm/dma-mapping.c | 16 +- arch/arm/plat-omap/dmtimer.c | 7 +- arch/arm64/include/asm/spinlock.h | 4 +- arch/m68k/coldfire/device.c | 12 +- arch/microblaze/Kconfig | 1 + arch/microblaze/mm/init.c | 56 +-- arch/mips/cavium-octeon/octeon-irq.c | 10 +- arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 2 +- arch/mips/txx9/rbtx4939/setup.c | 4 +- arch/powerpc/include/asm/irq_work.h | 1 + arch/powerpc/include/asm/plpar_wrappers.h | 4 + arch/powerpc/kvm/book3s_hv.c | 12 +- arch/powerpc/mm/numa.c | 78 ++++- arch/powerpc/net/bpf_jit_comp.c | 3 + arch/powerpc/perf/core-book3s.c | 25 ++ arch/powerpc/sysdev/mpic.c | 2 +- arch/powerpc/xmon/xmon.c | 17 +- arch/sh/kernel/entry-common.S | 2 +- arch/sparc/include/asm/atomic_64.h | 6 +- arch/x86/kernel/apic/apic.c | 2 +- arch/x86/kernel/devicetree.c | 21 +- arch/x86/kernel/smpboot.c | 1 + arch/x86/kvm/lapic.c | 10 +- arch/x86/kvm/vmx.c | 20 +- arch/x86/kvm/x86.c | 7 +- arch/x86/mm/pageattr.c | 6 +- arch/x86/mm/pgtable.c | 9 + arch/x86/power/hibernate_32.c | 2 +- arch/x86/power/hibernate_64.c | 2 +- crypto/af_alg.c | 8 +- drivers/acpi/acpi_pad.c | 3 + drivers/acpi/acpica/evevent.c | 9 +- drivers/acpi/acpica/nseval.c | 8 + drivers/acpi/processor_perflib.c | 2 +- drivers/block/paride/pcd.c | 2 + drivers/bluetooth/btusb.c | 6 + drivers/cdrom/cdrom.c | 3 - drivers/cdrom/gdrom.c | 3 + drivers/char/hw_random/stm32-rng.c | 9 + drivers/char/ipmi/ipmi_powernv.c | 5 +- drivers/char/ipmi/ipmi_ssif.c | 4 +- drivers/clk/clk.c | 3 + drivers/clk/rockchip/clk-mmc-phase.c | 23 ++ drivers/clk/samsung/clk-exynos3250.c | 4 +- drivers/clk/samsung/clk-exynos5250.c | 8 +- drivers/clk/samsung/clk-exynos5260.c | 2 +- drivers/clk/samsung/clk-exynos5433.c | 12 +- drivers/clk/samsung/clk-s3c2410.c | 16 +- drivers/clocksource/fsl_ftm_timer.c | 2 +- drivers/cpufreq/cppc_cpufreq.c | 23 +- drivers/crypto/sunxi-ss/sun4i-ss-core.c | 1 + drivers/dma/pl330.c | 6 +- drivers/dma/sh/rcar-dmac.c | 2 +- drivers/firewire/ohci.c | 8 +- drivers/firmware/dmi_scan.c | 22 +- drivers/gpu/drm/exynos/exynos_drm_g2d.c | 6 +- drivers/gpu/drm/exynos/regs-fimc.h | 2 +- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 7 +- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 17 +- drivers/hid/hid-roccat-kovaplus.c | 2 + drivers/hwmon/nct6775.c | 10 +- drivers/hwmon/pmbus/adm1275.c | 4 +- drivers/hwmon/pmbus/max8688.c | 2 +- drivers/i2c/busses/i2c-mv64xxx.c | 8 +- drivers/ide/ide-cd.c | 2 + drivers/infiniband/core/ucma.c | 2 +- drivers/infiniband/hw/mlx5/qp.c | 5 +- drivers/infiniband/ulp/ipoib/ipoib_main.c | 3 + drivers/iommu/intel-iommu.c | 3 +- drivers/irqchip/irq-gic-v3.c | 2 +- drivers/md/bcache/alloc.c | 4 +- drivers/md/bcache/bcache.h | 2 +- drivers/md/bcache/btree.c | 9 +- drivers/md/bcache/request.c | 2 +- drivers/md/bcache/super.c | 23 +- drivers/md/bcache/sysfs.c | 11 +- drivers/md/bcache/writeback.c | 27 +- drivers/md/raid1.c | 11 + drivers/md/raid10.c | 6 +- drivers/md/raid5.c | 7 +- drivers/media/dvb-core/dmxdev.c | 2 +- drivers/media/pci/cx23885/cx23885-cards.c | 4 + drivers/media/pci/cx23885/cx23885-core.c | 10 + drivers/media/pci/cx25821/cx25821-core.c | 7 +- drivers/media/platform/s3c-camif/camif-capture.c | 7 +- drivers/media/usb/em28xx/em28xx.h | 2 +- drivers/media/v4l2-core/videobuf2-vmalloc.c | 2 +- drivers/message/fusion/mptctl.c | 2 + drivers/net/ethernet/broadcom/bgmac.c | 3 +- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 + drivers/net/ethernet/cisco/enic/enic_main.c | 10 +- drivers/net/ethernet/freescale/gianfar.c | 7 +- drivers/net/ethernet/intel/e1000e/ich8lan.c | 2 +- drivers/net/ethernet/intel/e1000e/mac.c | 2 +- drivers/net/ethernet/intel/e1000e/netdev.c | 4 +- drivers/net/ethernet/intel/i40e/i40e_main.c | 11 + drivers/net/ethernet/marvell/mvneta.c | 1 + drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 2 +- drivers/net/ethernet/qlogic/qlge/qlge.h | 16 + drivers/net/ethernet/qlogic/qlge/qlge_main.c | 3 +- drivers/net/ethernet/sun/sunvnet.c | 2 +- drivers/net/phy/dp83640.c | 18 + drivers/net/usb/qmi_wwan.c | 5 + drivers/net/usb/r8152.c | 2 +- drivers/net/usb/smsc75xx.c | 7 +- drivers/net/virtio_net.c | 2 +- drivers/net/wireless/ath/ath10k/mac.c | 15 +- drivers/net/wireless/mac80211_hwsim.c | 4 +- drivers/net/xen-netfront.c | 46 +-- drivers/ntb/ntb_transport.c | 3 + drivers/nvme/host/pci.c | 5 +- drivers/parisc/lba_pci.c | 20 +- drivers/pci/pci-driver.c | 17 +- drivers/pci/quirks.c | 5 + drivers/pinctrl/qcom/pinctrl-msm.c | 2 +- drivers/regulator/of_regulator.c | 1 + drivers/rtc/hctosys.c | 5 + drivers/rtc/rtc-snvs.c | 15 +- drivers/rtc/rtc-tx4939.c | 6 +- drivers/s390/cio/device_fsm.c | 7 +- drivers/s390/cio/io_sch.h | 1 + drivers/scsi/aacraid/commsup.c | 4 +- drivers/scsi/aacraid/linit.c | 5 +- drivers/scsi/arm/fas216.c | 2 +- drivers/scsi/bnx2fc/bnx2fc_io.c | 1 + drivers/scsi/libsas/sas_scsi_host.c | 33 +- drivers/scsi/lpfc/lpfc_attr.c | 5 + drivers/scsi/lpfc/lpfc_hbadisc.c | 5 +- drivers/scsi/lpfc/lpfc_sli.c | 2 + drivers/scsi/mpt3sas/mpt3sas_scsih.c | 2 +- drivers/scsi/qla2xxx/qla_isr.c | 6 +- drivers/scsi/qla4xxx/ql4_def.h | 2 + drivers/scsi/qla4xxx/ql4_os.c | 46 +++ drivers/scsi/scsi_devinfo.c | 7 +- drivers/scsi/sd.c | 3 +- drivers/scsi/sr.c | 21 +- drivers/scsi/storvsc_drv.c | 2 +- drivers/scsi/sym53c8xx_2/sym_hipd.c | 2 +- drivers/scsi/ufs/ufshcd.c | 2 + drivers/staging/rtl8192u/r8192U_core.c | 2 + drivers/tty/serial/arc_uart.c | 5 + drivers/tty/serial/fsl_lpuart.c | 4 + drivers/tty/serial/imx.c | 6 + drivers/tty/serial/mxs-auart.c | 4 + drivers/tty/serial/samsung.c | 4 + drivers/tty/serial/xilinx_uartps.c | 2 +- drivers/usb/dwc2/core.h | 2 +- drivers/usb/dwc2/gadget.c | 12 +- drivers/usb/dwc3/core.h | 2 + drivers/usb/gadget/composite.c | 40 ++- drivers/usb/gadget/function/f_fs.c | 6 +- drivers/usb/gadget/function/f_uac2.c | 2 + drivers/usb/gadget/udc/fsl_udc_core.c | 4 +- drivers/usb/gadget/udc/goku_udc.h | 2 +- drivers/usb/host/ohci-hcd.c | 3 +- drivers/usb/host/xhci-mem.c | 2 + drivers/usb/musb/musb_core.c | 5 +- drivers/usb/serial/option.c | 7 + drivers/video/fbdev/sbuslib.c | 4 +- drivers/watchdog/f71808e_wdt.c | 3 +- drivers/watchdog/sp5100_tco.h | 2 +- drivers/xen/events/events_base.c | 4 +- drivers/xen/grant-table.c | 4 +- drivers/xen/xen-acpi-processor.c | 6 +- drivers/xen/xenbus/xenbus_probe.c | 5 +- drivers/zorro/zorro.c | 12 + fs/btrfs/ctree.c | 12 +- fs/btrfs/disk-io.c | 2 +- fs/btrfs/extent-tree.c | 1 + fs/btrfs/file.c | 9 + fs/btrfs/raid56.c | 18 +- fs/btrfs/send.c | 3 + fs/btrfs/tests/qgroup-tests.c | 2 +- fs/btrfs/tree-log.c | 12 +- fs/btrfs/volumes.c | 9 +- fs/cifs/cifssmb.c | 4 +- fs/fscache/page.c | 13 +- fs/gfs2/file.c | 5 +- fs/gfs2/quota.h | 2 + fs/jffs2/fs.c | 1 - fs/nfs/nfs4proc.c | 12 +- fs/nfs/nfs4state.c | 5 +- fs/nfs/nfs4sysctl.c | 2 +- fs/ocfs2/acl.c | 6 + fs/ocfs2/dlm/dlmdomain.c | 14 - fs/ocfs2/dlm/dlmdomain.h | 25 +- fs/ocfs2/dlm/dlmrecovery.c | 9 + fs/ocfs2/journal.c | 23 +- fs/ocfs2/super.c | 5 +- fs/ocfs2/xattr.c | 2 + fs/proc/base.c | 29 +- fs/proc/proc_sysctl.c | 3 + fs/signalfd.c | 15 +- fs/udf/super.c | 5 +- fs/xfs/xfs_discard.c | 14 +- include/asm-generic/pgtable.h | 15 + include/linux/suspend.h | 2 + include/linux/usb/composite.h | 3 + include/net/inet_timewait_sock.h | 1 + include/net/ip.h | 11 +- include/net/ip_fib.h | 1 + include/net/llc_conn.h | 2 +- include/net/mac80211.h | 2 +- include/net/regulatory.h | 2 +- include/net/route.h | 3 +- include/trace/events/timer.h | 20 +- include/uapi/drm/virtgpu_drm.h | 1 + include/uapi/linux/if_ether.h | 1 + kernel/audit.c | 2 + kernel/debug/kdb/kdb_main.c | 27 +- kernel/events/core.c | 24 +- kernel/locking/qspinlock.c | 8 + kernel/power/power.h | 3 - kernel/relay.c | 2 +- kernel/sched/rt.c | 2 + kernel/trace/trace_uprobe.c | 2 + kernel/workqueue.c | 2 +- lib/test_bpf.c | 31 +- mm/kmemleak.c | 12 +- mm/ksm.c | 28 ++ mm/mempolicy.c | 36 +- mm/percpu.c | 1 + mm/swapfile.c | 4 + mm/vmscan.c | 22 +- net/batman-adv/distributed-arp-table.c | 2 +- net/batman-adv/fragmentation.c | 3 +- net/batman-adv/gateway_client.c | 3 + net/batman-adv/multicast.c | 4 +- net/batman-adv/soft-interface.c | 8 +- net/bridge/netfilter/ebtables.c | 33 +- net/core/skbuff.c | 9 +- net/dccp/ipv4.c | 1 + net/dccp/ipv6.c | 1 + net/ipv4/inet_timewait_sock.c | 1 + net/ipv4/ip_vti.c | 2 - net/ipv4/route.c | 26 +- net/ipv4/tcp_illinois.c | 2 +- net/ipv4/xfrm4_policy.c | 1 + net/ipv6/sit.c | 7 + net/llc/llc_c_ac.c | 15 +- net/llc/llc_conn.c | 32 +- net/mac80211/mlme.c | 3 +- net/netlabel/netlabel_unlabeled.c | 10 + net/nfc/llcp_commands.c | 4 + net/nfc/netlink.c | 3 +- net/rds/ib.c | 3 +- scripts/kconfig/expr.c | 2 +- scripts/kconfig/menu.c | 1 + scripts/kconfig/zconf.y | 33 +- security/integrity/ima/Kconfig | 1 + security/integrity/ima/ima_crypto.c | 2 + security/integrity/ima/ima_main.c | 13 + sound/core/vmaster.c | 5 +- sound/pci/hda/Kconfig | 1 - sound/pci/hda/patch_realtek.c | 5 + sound/soc/au1x/ac97c.c | 6 +- sound/soc/samsung/i2s.c | 13 +- sound/soc/soc-topology.c | 3 + tools/lib/bpf/libbpf.c | 26 ++ tools/lib/traceevent/event-parse.c | 17 +- tools/lib/traceevent/parse-filter.c | 10 +- tools/perf/tests/vmlinux-kallsyms.c | 2 +- tools/perf/util/evsel.c | 8 +- tools/perf/util/hist.c | 4 +- tools/perf/util/hist.h | 1 - tools/testing/selftests/Makefile | 1 + .../ftrace/test.d/kprobe/kprobe_args_string.tc | 46 +++ .../ftrace/test.d/kprobe/kprobe_args_syntax.tc | 97 ++++++ .../selftests/ftrace/test.d/kprobe/probepoint.tc | 43 +++ tools/testing/selftests/memfd/config | 1 + tools/testing/selftests/net/fib-onlink-tests.sh | 375 +++++++++++++++++++++ tools/testing/selftests/net/psock_fanout.c | 3 +- tools/testing/selftests/powerpc/mm/subpage_prot.c | 14 + tools/thermal/tmon/sysfs.c | 12 +- tools/thermal/tmon/tmon.c | 1 - 287 files changed, 2221 insertions(+), 625 deletions(-) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc create mode 100644 tools/testing/selftests/memfd/config create mode 100755 tools/testing/selftests/net/fib-onlink-tests.sh -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE4n5dijQDou9mhzu83qZv95d3LNwFAlrihG4ACgkQ3qZv95d3 LNxN5w//aXWCPDFRr+hEo1nYIonuomWEgS0Alpe9urOn9PD/h7G7h9lB5q36oI9N 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Linux-stable-mirror May 2018