Re: [PATCH 2/6] mm/migrate: Use trylock while resetting rate limit

On Fri, Aug 03, 2018 at 11:43:57AM +0530, Srikar Dronamraju wrote: > diff --git a/mm/migrate.c b/mm/migrate.c > index 8c0af0f..dbc2cb7 100644 > --- a/mm/migrate.c > +++ b/mm/migrate.c > @@ -1868,16 +1868,24 @@ static struct page *alloc_misplaced_dst_page(struct > page *page, > static bool numamig

Re: [PATCH v7 1/2]: perf util: map data buffer for preserving collected data

On 06.09.2018 14:04, Jiri Olsa wrote: > On Wed, Sep 05, 2018 at 10:19:56AM +0300, Alexey Budankov wrote: >> >> The map->data buffers are used to preserve map->base profiling data >> for writing to disk. AIO map->cblocks are used to queue corresponding >> map->data buffers for asynchronous writ

Re: [PATCH 05/11] UAPI: coda: Don't use internal kernel structs in UAPI

Hi, Le jeudi 06 septembre 2018 à 08:13 +0100, David Howells a écrit : > Yann Droneaud wrote: > > > This structure should not have been exposed to userspace in the > > first > > place: it's unusable by userspace as it is. It was incorrect to > > have it > > outside of #ifdef __KERNEL__ before com

Re: [RFC PATCH 4/5] irqchip: RISC-V Local Interrupt Controller Driver

On Thu, Sep 6, 2018 at 12:28 AM, Christoph Hellwig wrote: > On Wed, Sep 05, 2018 at 11:39:01AM +0530, Anup Patel wrote: >> Previously submitted driver, registered separate irq_domain for >> each CPU and local IRQs were registered as regular IRQs to IRQ >> subsystem. >> (Refer, https://www.spinics.

Re: [PATCH v7 1/2]: perf util: map data buffer for preserving collected data

On 06.09.2018 14:04, Jiri Olsa wrote: > On Wed, Sep 05, 2018 at 10:19:56AM +0300, Alexey Budankov wrote: > > SNIP > >> @@ -166,6 +174,7 @@ void perf_mmap__munmap(struct perf_mmap *map) >> >> int perf_mmap__mmap(struct perf_mmap *map, struct mmap_params *mp, int fd) >> { >> +int i; >>

Re: [PATCH v7 2/2]: perf record: enable asynchronous trace writing

On 06.09.2018 14:04, Jiri Olsa wrote: > On Wed, Sep 05, 2018 at 10:39:25AM +0300, Alexey Budankov wrote: > > SNIP > >> -static int record__pushfn(void *to, void *bf, size_t size) >> +static int record__pushfn(void *to, struct aiocb *cblock, void *data, >> size_t size) >> { >> +off_t off;

[PATCH] gpio: ep93xx: fix incorrect array element size check

From: Colin Ian King Currently the while loop checks for the end of the array using the size of egp->gc rather that the number of elements in the array, so fix this. Also, perform the array size check first as stylistically it is always good to bounds check on an array first before referencing th

Re: [PATCH v7 2/2]: perf record: enable asynchronous trace writing

On 06.09.2018 14:04, Jiri Olsa wrote: > On Wed, Sep 05, 2018 at 10:39:25AM +0300, Alexey Budankov wrote: > > SNIP > >> + >> static int process_synthesized_event(struct perf_tool *tool, >> union perf_event *event, >> struct pe

Re: [PATCH] ASoC: sgtl5000: avoid division by zero if lo_vag is zero

On Thu, Sep 06, 2018 at 11:41:52AM +0100, Colin King wrote: > From: Colin Ian King > > In the case where lo_vag <= SGTL5000_LINE_OUT_GND_BASE, lo_vag > is set to zero and later vol_quot is computed by dividing by > lo_vag causing a division by zero error. Fix this by avoiding > a zero division a

Re: [PATCH v7 2/2]: perf record: enable asynchronous trace writing

On 06.09.2018 14:04, Jiri Olsa wrote: > On Wed, Sep 05, 2018 at 10:39:25AM +0300, Alexey Budankov wrote: > > SNIP > >> diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c >> index 384d17cd1379..1d57d8387caf 100644 >> --- a/tools/perf/util/mmap.c >> +++ b/tools/perf/util/mmap.c >> @@ -

[PATCH v2 8/8] perf/x86/intel/lbr: add the guest_lbr boolean to cpuc

From: Like Xu The host creates an lbr perf event for the guest vCPU only for the purpose of saving/restoring the lbr stack on the vCPU context switching. There is no need to enable the lbr functionality for this lbr perf event, because the feature is essentially used in the vCPU. So, we introduc

[PATCH v2 1/8] perf/x86: add a function to get the lbr stack

The LBR stack MSRs are architecturally specific. The perf subsystem has already assigned the abstracted MSR values based on the CPU architecture. This patch enables a caller outside the perf subsystem to get the LBR stack info. This is useful for hyperviosrs to prepare the lbr feature for the gues

[PATCH v2 6/8] perf/x86/intel/lbr: guest requesting KVM for lbr stack save/restore

This patch adds an interface to enable a guest to request KVM to save and restore the lbr stack on vCPU context switching. KVM couldn't capture the info about whether the guest is actively using the lbr feature via the lbr enable bit in the debugctl MSR, because that control bit is frequently enab

[PATCH v2 4/8] KVM/x86: expose MSR_IA32_PERF_CAPABILITIES to the guest

Bits [0, 5] of MSR_IA32_PERF_CAPABILITIES tell about the format of the addresses stored in the LBR stack. Expose those bits to the guest when the guest lbr feature is enabled. Signed-off-by: Like Xu Signed-off-by: Wei Wang Cc: Paolo Bonzini Cc: Andi Kleen --- arch/x86/include/asm/perf_event.h

[PATCH v2 5/8] KVM/x86: enable the guest to access the debugctl msr

The debugctl MSR is not completely identical on AMD and Intel CPUs, for example, FREEZE_LBRS_ON_PMI is supported by Intel CPUs only. svm.c has handled the access to the debugctl msr, and this patch handles the access to the debugctl msr on Intel CPUs in vmx.c. Accordingly, the common debugctl msr h

[PATCH v2 0/8] Guest LBR Enabling

Last Branch Recording (LBR) is a performance monitor unit (PMU) feature on Intel CPUs that captures branch related info. This patch series enables this feature to KVM guests. Here is a conclusion of the fundamental methods that we use: 1) the LBR feature is enabled per guest via QEMU setting of

[PATCH v2 7/8] KVM: PMU: support to save/restore the guest lbr stack on vCPU switching

From: Like Xu This patch adds support to KVM to save/restore the lbr stack on vCPU context switching. When the guest sets the ACTIVE bit of MSR_KVM_PV_LBR_CTRL, a perf event is created on the host for the related vCPU. This perf event ensures the LBR stack to be saved/restored when the vCPU thre

[PATCH v2 3/8] KVM/vmx: Pass through the lbr stack to a guest

Pass through the LBR stack to the guest when the guest lbr feature is enabled. This makes the guest have direct accesses to the lbr stack. Signed-off-by: Like Xu Signed-off-by: Wei Wang Cc: Paolo Bonzini Cc: Andi Kleen --- arch/x86/kvm/vmx.c | 38 ++ 1 file

[PATCH v2 2/8] KVM/x86: KVM_CAP_X86_GUEST_LBR

Introduce KVM_CAP_X86_GUEST_LBR to allow per-VM enabling of the guest lbr feature. Signed-off-by: Like Xu Signed-off-by: Wei Wang Cc: Paolo Bonzini Cc: Andi Kleen --- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/x86.c | 5 + include/uapi/linux/kvm.h| 1 + 3 fil

Re: [PATCH] ASoC: sgtl5000: avoid division by zero if lo_vag is zero

On 06/09/18 12:58, Dan Carpenter wrote: > On Thu, Sep 06, 2018 at 11:41:52AM +0100, Colin King wrote: >> From: Colin Ian King >> >> In the case where lo_vag <= SGTL5000_LINE_OUT_GND_BASE, lo_vag >> is set to zero and later vol_quot is computed by dividing by >> lo_vag causing a division by zero er

Re: linux-next test error

On Thu, Sep 6, 2018 at 1:42 PM Jan Kara wrote: > > On Thu 06-09-18 00:37:06, Souptick Joarder wrote: > > On Wed, Sep 5, 2018 at 2:25 PM Jan Kara wrote: > > > > > > On Wed 05-09-18 00:13:02, syzbot wrote: > > > > Hello, > > > > > > > > syzbot found the following crash on: > > > > > > > > HEAD comm

Re: [PATCH v7 2/2]: perf record: enable asynchronous trace writing

On 06.09.2018 14:04, Jiri Olsa wrote: > On Wed, Sep 05, 2018 at 10:39:25AM +0300, Alexey Budankov wrote: > > SNIP > >> +} else if (errno != EAGAIN) { >> +cblock->aio_fildes = -1; >> +pr_err("failed to queue perf data, error: %m\n"); >> +

[PATCH] memory: ti-aemif: fix a potential NULL-pointer dereference

From: Bartosz Golaszewski Platform data pointer may be NULL. We check it everywhere but in one place. Fix it. Fixes: 8af70cd2ca50 ("memory: aemif: add support for board files") Reported-by: Dan Carpenter Signed-off-by: Bartosz Golaszewski Cc: sta...@vger.kernel.org --- drivers/memory/ti-aemif

Re: [PATCH v2 2/2] clk: tegra20: Enable lock-status polling for PLLs

On Fri, 2018-08-31 at 12:29 +0300, Peter De Schrijver wrote: > On Thu, Aug 30, 2018 at 09:42:10PM +0300, Dmitry Osipenko wrote: > > Currently all PLL's on Tegra20 use a hardcoded delay despite of > > having > > a lock-status bit. The lock-status polling was disabled ~7 years > > ago > > because PLL

Re: [PATCH v36 0/5] Virtio-balloon: support free page reporting

On 07/23/2018 10:36 PM, Dr. David Alan Gilbert wrote: * Michael S. Tsirkin (m...@redhat.com) wrote: On Fri, Jul 20, 2018 at 04:33:00PM +0800, Wei Wang wrote: This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, i

Re: [PATCH 05/11] UAPI: coda: Don't use internal kernel structs in UAPI

On Thu, Sep 06, 2018 at 01:52:29PM +0200, Yann Droneaud wrote: > Hi, > > Le jeudi 06 septembre 2018 à 08:13 +0100, David Howells a écrit : > > Yann Droneaud wrote: > > > > > This structure should not have been exposed to userspace in the > > > first > > > place: it's unusable by userspace as it

Re: [PATCH 0/6] numa-balancing patches

On Tue, Aug 21, 2018 at 05:01:50AM -0700, Srikar Dronamraju wrote: > * Srikar Dronamraju [2018-08-03 11:43:55]: > > > This patchset based on current tip/sched/core, provides left out patches > > from the previous series. This version handles the comments given to some of > > the patches. It drops

Re: [PATCH 18/21] edac: cpc925: use for_each_of_cpu_node iterator

On Thu, Sep 06, 2018 at 06:12:51AM -0500, Rob Herring wrote: > I should have noted this. It's not the kernel's job to validate the DT > and certainly not some driver's job to validate cpu nodes. It's bad > enough that some random driver is parsing cpu nodes. If they are > missing or are crap, you s

Re: [PATCH v5 5/5] x86/kvm: Avoid dynamic allocation of pvclock data when SEV is active

On Thu, Sep 06, 2018 at 06:43:02AM -0500, Brijesh Singh wrote: > Currently, the per-cpu pvclock data is allocated dynamically when > cpu > HVC_BOOT_ARRAY_SIZE. The physical address of this variable is > shared between the guest and the hypervisor hence it must be mapped as > unencrypted (ie. C=0) w

RE: [PATCH 3/7] spi: spi-mem: Add a driver for NXP FlexSPI controller

Hi Boris, > -Original Message- > From: Boris Brezillon [mailto:boris.brezil...@bootlin.com] > Sent: Thursday, September 6, 2018 5:14 PM > To: Yogesh Narayan Gaur > Cc: Frieder Schrempf ; linux- > m...@lists.infradead.org; marek.va...@gmail.com; linux-...@vger.kernel.org; > devicet...@vger

[PATCH v7] regulator: fixed: Convert to use GPIO descriptor only

As we augmented the regulator core to accept a GPIO descriptor instead of a GPIO number, we can augment the fixed GPIO regulator to look up and pass that descriptor directly from device tree or board GPIO descriptor look up tables. Some boards just auto-enumerate their fixed regulator platform dev

[tip:x86/urgent] x86/tsc: Prevent result truncation on 32bit

Commit-ID: 17f6bac2249356c795339e03a0742cd79be3cab8 Gitweb: https://git.kernel.org/tip/17f6bac2249356c795339e03a0742cd79be3cab8 Author: Chuanhua Lei AuthorDate: Thu, 6 Sep 2018 18:03:23 +0800 Committer: Thomas Gleixner CommitDate: Thu, 6 Sep 2018 14:22:01 +0200 x86/tsc: Prevent result

Re: linux-next test error

On Thu, Sep 6, 2018 at 2:08 PM Jan Kara wrote: > > On Thu 06-09-18 00:54:50, Souptick Joarder wrote: > > On Wed, Sep 5, 2018 at 7:05 PM Theodore Y. Ts'o wrote: > > > > > > On Wed, Sep 05, 2018 at 03:20:16PM +0530, Souptick Joarder wrote: > > > > > > > > "fs: convert return type int to vm_fault_t"

Re: [PATCH v5 10/16] x86/mce: enable Hygon support to MCE infrastructure

On Thu, Sep 06, 2018 at 07:40:52PM +0800, Pu Wen wrote: > The first is the compilation test. Test the kernel with both MCE selected > and unselected to see if is the compiling process successful or not. This is a kernel compile test - it has nothing to do with actual machine testing. > The other

Re: [PATCH] x86/process: don't mix user/kernel regs in 64bit __show_regs

On Thu, 6 Sep 2018, Jann Horn wrote: > On Fri, Aug 31, 2018 at 10:12 PM Andy Lutomirski wrote: > > > > On Fri, Aug 31, 2018 at 12:41 PM, Jann Horn wrote: > > > When the kernel.print-fatal-signals sysctl has been enabled (I don't know > > > whether anyone actually enables it), a simple userspace c

[PATCH] staging: rtl8723bs: check for i out of range before accessing szLine[i]

From: Colin Ian King Currently szLine[i] is being accessed before the index i is being ranged checked. Fix this by checking the range first. Also, evaluate the length of the string szLine just once rather than multiple times and move the loop variable i to an inner scope and make it an int. Si

Re: [PATCH v1 0/5] CPUFREQ OPP's and Tegra30 support by tegra20-cpufreq driver

On Thu, 2018-08-30 at 22:43 +0300, Dmitry Osipenko wrote: > Hello, > > This series adds support for CPU frequency scaling on Tegra30 and > device > tree support that allows to implement thermal throttling and > customize > available CPU frequencies per-board. The tegra20-cpufreq driver has > been

[PATCH v2 0/5] New RISC-V Local Interrupt Controller Driver

This patchset provides a new RISC-V Local Interrupt Controller Driver for managing per-CPU local interrupts. The overall approach is inspired from the way per-CPU local interrupts are handled by Linux ARM64 and ARM GICv3 driver. Few advantages of having this new driver are as follows: 1. It regist

[PATCH v2 1/5] RISC-V: self-contained IPI handling routine

Currently, the IPI handling routine riscv_software_interrupt() does not take any argument and also does not perform irq_enter()/irq_exit(). This patch makes IPI handling routine more self-contained by: 1. Passing "pt_regs *" argument 2. Explicitly doing irq_enter()/irq_exit() 3. Explicitly save/re

[PATCH v2 2/5] RISC-V: No need to pass scause as arg to do_IRQ()

The scause is already part of pt_regs so no need to pass scause as separate arg to do_IRQ(). Reviewed-by: Christoph Hellwig Signed-off-by: Anup Patel --- arch/riscv/kernel/entry.S | 1 - arch/riscv/kernel/irq.c | 4 ++-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/risc

[tip:x86/urgent] x86/process: Don't mix user/kernel regs in 64bit __show_regs()

Commit-ID: 9fe6299dde587788f245e9f7a5a1b296fad4e8c7 Gitweb: https://git.kernel.org/tip/9fe6299dde587788f245e9f7a5a1b296fad4e8c7 Author: Jann Horn AuthorDate: Fri, 31 Aug 2018 21:41:51 +0200 Committer: Thomas Gleixner CommitDate: Thu, 6 Sep 2018 14:33:12 +0200 x86/process: Don't mix use

[PATCH v2 4/5] clocksource: riscv_timer: Make timer interrupt as a per-CPU interrupt

Instead of directly calling RISC-V timer interrupt handler from RISC-V local interrupt conntroller driver, this patch implements RISC-V timer interrupt as a per-CPU interrupt using per-CPU APIs of Linux IRQ subsystem. Signed-off-by: Anup Patel --- arch/riscv/include/asm/irq.h | 1 - driver

[PATCH v2 5/5] RISC-V: Remove do_IRQ() function

The only thing do_IRQ() does is call handle_arch_irq function pointer. We can very well call handle_arch_irq function pointer directly from assembly and remove do_IRQ() function hence this patch. Signed-off-by: Anup Patel --- arch/riscv/kernel/entry.S | 4 +++- arch/riscv/kernel/irq.c | 6

[PATCH v2 3/5] irqchip: RISC-V Local Interrupt Controller Driver

The RISC-V local interrupt controller manages software interrupts, timer interrupts, external interrupts (which are routed via the platform level interrupt controller) and per-HART local interrupts. This patch add a driver for RISC-V local interrupt controller. It's a major re-write over perviousl

Re: [PATCH v4 3/4] drivers: edac: Add EDAC driver support for QCOM SoCs

On 9/5/2018 4:52 AM, Venkata Narendra Kumar Gutta wrote: +static const struct of_device_id qcom_llcc_edac_match_table[] = { + { .compatible = "qcom,llcc-edac" }, + { }, +}; + Hi Venkata, Devicetree binding for llcc is updated, but what about this compatible? Regards, Sai

[tip:x86/paravirt] x86/paravirt: Prevent redefinition of SAVE_FLAGS macro

Commit-ID: b7a5eb6aafa95fce45fc4dcbc195cb232fa1b76d Gitweb: https://git.kernel.org/tip/b7a5eb6aafa95fce45fc4dcbc195cb232fa1b76d Author: Juergen Gross AuthorDate: Wed, 5 Sep 2018 07:37:20 +0200 Committer: Thomas Gleixner CommitDate: Thu, 6 Sep 2018 14:37:37 +0200 x86/paravirt: Prevent r

[tip:x86/paravirt] x86/xen: Make xen_reservation_lock static

Commit-ID: 4f2d7af70256b258a6a5729a1d33d5ecb2330f8f Gitweb: https://git.kernel.org/tip/4f2d7af70256b258a6a5729a1d33d5ecb2330f8f Author: Juergen Gross AuthorDate: Wed, 5 Sep 2018 07:36:34 +0200 Committer: Thomas Gleixner CommitDate: Thu, 6 Sep 2018 14:37:37 +0200 x86/xen: Make xen_reser

Re: [PATCH] gpio: ep93xx: fix incorrect array element size check

On Thu, Sep 6, 2018 at 1:58 PM Colin King wrote: > From: Colin Ian King > > Currently the while loop checks for the end of the array using > the size of egp->gc rather that the number of elements in the array, > so fix this. Also, perform the array size check first as stylistically > it is alway

RE: [PATCH v3] ata: Disable AHCI ALPM feature for Ampere Computing eMAG SATA

Hi Hans, I ran checkpatch and see no error. I will check my git-send-email scripts/checkpatch.pl 0001-ata-Disable-AHCI-ALPM-feature-for-Ampere-Computing-e.patch total: 0 errors, 0 warnings, 39 lines checked 0001-ata-Disable-AHCI-ALPM-feature-for-Ampere-Computing-e.patch has no obvious style

Re: stop_machine() soft lockup

On Wed, Sep 05, 2018 at 03:45:53PM +0200, Niklas Cassel wrote: > However, I just managed to get this lockdep splat when booting without > earlycon and ftrace=irqsoff > I'm not sure that it is related, but I'm planning on looking into it anyway: That looks like your generic printk is crap splat.

Re: [PATCH v3] ata: Disable AHCI ALPM feature for Ampere Computing eMAG SATA

Hi, On 06-09-18 14:51, Suman Tripathi wrote: Hi Hans, I ran checkpatch and see no error. I will check my git-send-email Right, the problem is not with the patch, but with your email client mangling the file. git send-email will send the patch for you without damaging it. Regards, Hans

Re: [RFC PATCH V2 4/4] powerpc/mm/iommu: Allow migration of cma allocated pages during mm_iommu_get

On Thu 06-09-18 11:13:42, Aneesh Kumar K.V wrote: > Current code doesn't do page migration if the page allocated is a compound > page. > With HugeTLB migration support, we can end up allocating hugetlb pages from > CMA region. Also THP pages can be allocated from CMA region. This patch > updates

Re: [PATCH RT 08/22] Revert "x86: UV: raw_spinlock conversion"

On Thu, 06 Sep 2018 10:38:16 +0200 Mike Galbraith wrote: > On Thu, 2018-09-06 at 09:35 +0200, Sebastian Andrzej Siewior wrote: > > On 2018-09-05 08:28:02 [-0400], Steven Rostedt wrote: > > > 4.14.63-rt41-rc1 stable review patch. > > > If anyone has any objections, please let me know. > > > > >

Re: [4.17 regression] Performance drop on kernel-4.17 visible on Stream, Linpack and NAS parallel benchmarks

On Thu, Sep 06, 2018 at 10:16:28AM +0200, Jirka Hladky wrote: > Hi Mel, > > we have results with 2d4056fafa196e1ab4e7161bae4df76f9602d56d reverted. > > * Compared to 4.18, there is still performance regression - > especially with NAS (sp_C_x subtest) and SPECjvm2008. On 4 NUMA > systems, regres

[tip:perf/core] perf/hw_breakpoint: Modify breakpoint even if the new attr has disabled set

Commit-ID: bd14406b78e6daa1ea3c1673bda1ffc9efdeead0 Gitweb: https://git.kernel.org/tip/bd14406b78e6daa1ea3c1673bda1ffc9efdeead0 Author: Jiri Olsa AuthorDate: Mon, 27 Aug 2018 11:12:25 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:23 -0300 perf/hw_breakpoi

[tip:perf/core] perf tests: Add breakpoint modify tests

Commit-ID: 9b3579fc6c6ac45502de1fa9a1fdf873805c2157 Gitweb: https://git.kernel.org/tip/9b3579fc6c6ac45502de1fa9a1fdf873805c2157 Author: Jiri Olsa AuthorDate: Mon, 27 Aug 2018 11:12:24 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:22 -0300 perf tests: Add

[tip:perf/core] perf/hw_breakpoint: Enable breakpoint in modify_user_hw_breakpoint

Commit-ID: 969558371bf926258241727ebb994f516f2e6f61 Gitweb: https://git.kernel.org/tip/969558371bf926258241727ebb994f516f2e6f61 Author: Jiri Olsa AuthorDate: Mon, 27 Aug 2018 11:12:27 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:23 -0300 perf/hw_breakpoi

Re: [PATCH V3 22/26] dt-bindings: interrupt-controller: C-SKY SMP intc

On Thu, Sep 6, 2018 at 4:23 AM Guo Ren wrote: > On Wed, Sep 05, 2018 at 07:45:12PM -0500, Rob Herring wrote: > > On Wed, Sep 5, 2018 at 7:09 AM Guo Ren wrote: > > > + > > > +C-SKY Multi-processors Interrupt Controller is designed for > > > ck807/ck810/ck860 > > > +SMP soc, and it also could be u

[tip:perf/core] perf/hw_breakpoint: Remove superfluous bp->attr.disabled = 0

Commit-ID: cb45302d7c5e20f0c0598cdbd7753fa44daceb2a Gitweb: https://git.kernel.org/tip/cb45302d7c5e20f0c0598cdbd7753fa44daceb2a Author: Jiri Olsa AuthorDate: Mon, 27 Aug 2018 11:12:26 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:23 -0300 perf/hw_breakpoi

[tip:perf/core] perf/hw_breakpoint: Simplify breakpoint enable in perf_event_modify_breakpoint

Commit-ID: bf06278c3fdf8909c3a9283e2c270b0fc170fa90 Gitweb: https://git.kernel.org/tip/bf06278c3fdf8909c3a9283e2c270b0fc170fa90 Author: Jiri Olsa AuthorDate: Mon, 27 Aug 2018 11:12:28 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:24 -0300 perf/hw_breakpoi

[tip:perf/core] perf arm64: Fix include path for asm-generic/unistd.h

Commit-ID: 5ab1de932e2923f490645ad017a689c5b58dc433 Gitweb: https://git.kernel.org/tip/5ab1de932e2923f490645ad017a689c5b58dc433 Author: Kim Phillips AuthorDate: Mon, 6 Aug 2018 17:28:00 -0500 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:24 -0300 perf arm64: Fi

[tip:perf/core] perf evsel: Fix potential null pointer dereference in perf_evsel__new_idx()

Commit-ID: fd8d2702791a970c751f8b526a17d8e725a05b46 Gitweb: https://git.kernel.org/tip/fd8d2702791a970c751f8b526a17d8e725a05b46 Author: Hisao Tanabe AuthorDate: Sat, 25 Aug 2018 00:45:56 +0900 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:25 -0300 perf evsel: F

[tip:perf/core] perf tools: Streamline bpf examples and headers installation

Commit-ID: dad2762aac17eac01ea97779e78a061ed1b83b86 Gitweb: https://git.kernel.org/tip/dad2762aac17eac01ea97779e78a061ed1b83b86 Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 29 Aug 2018 17:31:52 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:49:25 -0300 p

Re: linux-next test error

On Thu, Sep 06, 2018 at 05:56:31PM +0530, Souptick Joarder wrote: > On Thu, Sep 6, 2018 at 2:08 PM Jan Kara wrote: > > Yes, I'd start with converting ext4_page_mkwrite() - that should be pretty > > straightforward - and we can leave block_page_mkwrite() as is for now. I > > don't think allocating

[tip:perf/core] perf util: Fix bad memory access in trace info.

Commit-ID: a72f64261359b7451f8478f2a2bf357b4e6c757f Gitweb: https://git.kernel.org/tip/a72f64261359b7451f8478f2a2bf357b4e6c757f Author: Chris Phlipot AuthorDate: Tue, 28 Aug 2018 23:19:54 -0700 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:50:50 -0300 perf util: F

Re: [PATCH V3 21/26] dt-bindings: interrupt-controller: C-SKY APB intc

On Thu, Sep 6, 2018 at 4:13 AM Guo Ren wrote: > > On Wed, Sep 05, 2018 at 07:43:10PM -0500, Rob Herring wrote: > > On Wed, Sep 5, 2018 at 7:10 AM Guo Ren wrote: > > > > > > Signed-off-by: Guo Ren > > > + > > > + intc: interrupt-controller { > > > > Needs a unit-address. > Ok, change it to:

[tip:perf/core] perf event-parse: Use fixed size string for comms

Commit-ID: c9f23d2bc21cb263ae931f3e264d003d746107bb Gitweb: https://git.kernel.org/tip/c9f23d2bc21cb263ae931f3e264d003d746107bb Author: Chris Phlipot AuthorDate: Wed, 29 Aug 2018 19:19:50 -0700 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 14:51:45 -0300 perf event-p

[tip:perf/core] perf probe powerpc: Ignore SyS symbols irrespective of endianness

Commit-ID: fa694160cca6dbba17c57dc7efec5f93feaf8795 Gitweb: https://git.kernel.org/tip/fa694160cca6dbba17c57dc7efec5f93feaf8795 Author: Sandipan Das AuthorDate: Tue, 28 Aug 2018 14:38:48 +0530 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:15:11 -0300 perf probe po

[PATCH] mt76: MT76x0U requires MT76_USB

If we're building MT76x0U, we must select MT76_USB. Otherwise, compilation fails because of undefined references. MT76x2U already does this correctly, fix it for MT76x0U as well. Signed-off-by: Martin Kaiser --- drivers/net/wireless/mediatek/mt76/Kconfig | 1 + 1 file changed, 1 insertion(+) d

[tip:perf/core] perf annotate: Fix parsing aarch64 branch instructions after objdump update

Commit-ID: 4e67b2a5df5d3f341776d12ee575e00ca3ef92de Gitweb: https://git.kernel.org/tip/4e67b2a5df5d3f341776d12ee575e00ca3ef92de Author: Kim Phillips AuthorDate: Mon, 27 Aug 2018 12:53:40 -0500 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:51:54 -0300 perf annotate

[tip:perf/core] perf trace: Pass augmented args to the arg formatters when available

Commit-ID: 7a983a0fe2a29ec849f6748d6bd86904d6e88eea Gitweb: https://git.kernel.org/tip/7a983a0fe2a29ec849f6748d6bd86904d6e88eea Author: Arnaldo Carvalho de Melo AuthorDate: Mon, 20 Aug 2018 17:58:17 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:18 -0300 p

[tip:perf/core] perf trace: Make the augmented_syscalls filter out the tracepoint event

Commit-ID: 6ccc18a9a17a1189b8b157176ce4a58c458c9eee Gitweb: https://git.kernel.org/tip/6ccc18a9a17a1189b8b157176ce4a58c458c9eee Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 11:14:15 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf trace: Print the syscall name for augmented_syscalls

Commit-ID: 1cdf618f23867dd1dae58f10f1f82839f2bf73b4 Gitweb: https://git.kernel.org/tip/1cdf618f23867dd1dae58f10f1f82839f2bf73b4 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 11:44:23 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf trace: Extract the comm/tid printing for syscall enter

Commit-ID: 6dcbd212ff4988d8e6caa0b6700bd1c1d317dc02 Gitweb: https://git.kernel.org/tip/6dcbd212ff4988d8e6caa0b6700bd1c1d317dc02 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 11:40:09 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf trace: Use the augmented filename, expanding syscall enter pointers

Commit-ID: 75d1e30681d006f4dc148c153395fb938acfc7c0 Gitweb: https://git.kernel.org/tip/75d1e30681d006f4dc148c153395fb938acfc7c0 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 12:00:39 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf trace: Show comm/tid for augmented_syscalls

Commit-ID: c96f4edcc3560a7dc910271d30d91c54a422d46c Gitweb: https://git.kernel.org/tip/c96f4edcc3560a7dc910271d30d91c54a422d46c Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 11:47:44 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf trace: Augment inotify_add_watch pathname syscall arg

Commit-ID: 9779fc021410e7d8433d923a2202dac7e1384b05 Gitweb: https://git.kernel.org/tip/9779fc021410e7d8433d923a2202dac7e1384b05 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 13:21:36 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf trace: Augment the 'open' syscall 'filename' arg

Commit-ID: daa1284af3b9a8d73b1dadaa12bc4068a4ce22ab Gitweb: https://git.kernel.org/tip/daa1284af3b9a8d73b1dadaa12bc4068a4ce22ab Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 12:20:06 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf trace: Introduce augmented_filename_syscall_enter() declarator

Commit-ID: f6618ce6c024ec90b156700fc39eb313ec117881 Gitweb: https://git.kernel.org/tip/f6618ce6c024ec90b156700fc39eb313ec117881 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 13:44:49 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

Re: linux-next test error

On Thu, Sep 06, 2018 at 05:56:31PM +0530, Souptick Joarder wrote: > > Yes, I'd start with converting ext4_page_mkwrite() - that should be pretty > > straightforward - and we can leave block_page_mkwrite() as is for now. I > > don't think allocating other VM_FAULT_ codes is going to cut it as > > ge

[tip:perf/core] perf trace: Augment 'newstat' (aka 'stat') filename ptr

Commit-ID: 16cc63593f67477e9ca62f10182e74e949af1acb Gitweb: https://git.kernel.org/tip/16cc63593f67477e9ca62f10182e74e949af1acb Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 13:55:50 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

Re: [PATCH 2/2] crypto: skcipher: Remove VLA usage for SKCIPHER_REQUEST_ON_STACK

On Thu, Sep 06, 2018 at 11:29:41AM +0200, Ard Biesheuvel wrote: > > Perhaps not, but it is not enforced atm. > > In any case, limiting the reqsize is going to break things, so that > needs to occur based on the sync/async nature of the algo. That also > means we'll corrupt the stack if we ever end

[tip:perf/core] perf trace: Add a etcsnoop.c augmented syscalls eBPF utility

Commit-ID: 9ab5aadebeddc77fccfdf94a048259315ce95fe1 Gitweb: https://git.kernel.org/tip/9ab5aadebeddc77fccfdf94a048259315ce95fe1 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 21 Aug 2018 15:02:09 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:19 -0300 p

[tip:perf/core] perf bpf: Give precedence to bpf header dir

Commit-ID: d35b168c3dcdf103c2b2d694ad8513a669781703 Gitweb: https://git.kernel.org/tip/d35b168c3dcdf103c2b2d694ad8513a669781703 Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 29 Aug 2018 23:53:22 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

[tip:perf/core] perf bpf: Add linux/socket.h to the headers accessible to bpf proggies

Commit-ID: 403f833d15a33bfd8e50dd79fa8e25fb4aa132f6 Gitweb: https://git.kernel.org/tip/403f833d15a33bfd8e50dd79fa8e25fb4aa132f6 Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 29 Aug 2018 17:41:53 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

[tip:perf/core] perf trace augmented_syscalls: Augment connect's 'sockaddr' arg

Commit-ID: d5a7e6613b00d46a4971e8b69e18e2cfd7b00df3 Gitweb: https://git.kernel.org/tip/d5a7e6613b00d46a4971e8b69e18e2cfd7b00df3 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 28 Aug 2018 16:24:44 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

Re: [PATCH v5 13/23] iommu: introduce device fault report API

Hi Jean-Philippe, On 09/06/2018 02:42 PM, Jean-Philippe Brucker wrote: > On 06/09/2018 10:25, Auger Eric wrote: >>> + mutex_lock(&fparam->lock); >>> + list_add_tail(&evt_pending->list, &fparam->faults); >> same doubt as Yi Liu. You cannot rely on the userspace willingness to >>

[tip:perf/core] perf trace augmented_syscalls: Add augmented_sockaddr_syscall_enter()

Commit-ID: 24a6c2cd1dbd85bd5624a6d0b05de891d0f07696 Gitweb: https://git.kernel.org/tip/24a6c2cd1dbd85bd5624a6d0b05de891d0f07696 Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 28 Aug 2018 16:39:11 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

[PATCH v3 1/2] i2c: mediatek: Register i2c adapter driver earlier

From: Jun Gao In order not to block the initializations of some i2c devices. Register i2c adapter driver at appropriate time. Signed-off-by: Jun Gao --- drivers/i2c/busses/i2c-mt65xx.c | 12 +++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-mt65x

[PATCH v3 2/2] i2c: mediatek: Use DMA safe buffers for i2c transactions

From: Jun Gao DMA mode will always be used in i2c transactions, try to allocate a DMA safe buffer if the buf of struct i2c_msg used is not DMA safe. Signed-off-by: Jun Gao --- drivers/i2c/busses/i2c-mt65xx.c | 62 - 1 file changed, 55 insertions(+), 7 de

[PATCH v3 0/2] Register i2c adapter driver earlier and use DMA safe buffers

This patch series based on v4.19-rc2, include i2c adapter driver register time modification and DMA safe buffers used for i2c transactions. changes since v2: - Remove the patch i2c: Add helper to ease DMA handling - Use i2c refactor function to release a DMA safe buffer changes since v1: - Add th

[tip:perf/core] perf trace augmented_syscalls: Augment bind's 'myaddr' sockaddr arg

Commit-ID: 02ef288420775542316e41dc610a6a88725aa83a Gitweb: https://git.kernel.org/tip/02ef288420775542316e41dc610a6a88725aa83a Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 28 Aug 2018 17:03:53 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

Re: [PATCH v4 4/4] dt-bindings: msm: Update documentation of qcom,llcc

On 9/5/2018 4:52 AM, Venkata Narendra Kumar Gutta wrote: Add reg-names and interrupts for LLCC documentation and the usage examples. llcc broadcast base is added in addition to llcc base, which is used for llcc broadcast writes. Signed-off-by: Venkata Narendra Kumar Gutta Reviewed-by: Rob Herri

[tip:perf/core] perf trace beauty: Reorganize 'struct sockaddr *' beautifier

Commit-ID: b043cb524d2892be75c78bc348e83863829d50a0 Gitweb: https://git.kernel.org/tip/b043cb524d2892be75c78bc348e83863829d50a0 Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 29 Aug 2018 17:11:33 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

[tip:perf/core] perf trace augmented_syscalls: Augment sendto's 'addr' arg

Commit-ID: 6ebb686225a83200b94777cfc651c94f4e0f6f50 Gitweb: https://git.kernel.org/tip/6ebb686225a83200b94777cfc651c94f4e0f6f50 Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 29 Aug 2018 08:47:08 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

[tip:perf/core] perf report: Create auxiliary trace data files for s390

Commit-ID: 766e0618e49490bf67a35542880bcecbcee2e5fa Gitweb: https://git.kernel.org/tip/766e0618e49490bf67a35542880bcecbcee2e5fa Author: Thomas Richter AuthorDate: Thu, 9 Aug 2018 06:56:50 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 perf report:

[tip:perf/core] tools lib traceevent, perf tools: Split trace-seq related APIs in a separate header file

Commit-ID: 266b851cc2874774a59f04a7b3b059ca0f26569b Gitweb: https://git.kernel.org/tip/266b851cc2874774a59f04a7b3b059ca0f26569b Author: Tzvetomir Stoyanov (VMware) AuthorDate: Tue, 28 Aug 2018 18:50:38 -0400 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300

Re: [PATCH] firmware: arm_scmi: fix divide by zero when sustained_perf_level is zero

Hi Sudeep, On Wednesday 05 Sep 2018 at 17:38:11 (+0100), Sudeep Holla wrote: > @@ -166,7 +166,12 @@ scmi_perf_domain_attributes_get(const struct scmi_handle > *handle, u32 domain, > le32_to_cpu(attr->sustained_freq_khz); > dom_info->sustained_pe

[tip:perf/core] perf bpf: Add syscall_exit() helper

Commit-ID: 664b6a95d771a6dcd7069996c825a03be411ef99 Gitweb: https://git.kernel.org/tip/664b6a95d771a6dcd7069996c825a03be411ef99 Author: Arnaldo Carvalho de Melo AuthorDate: Thu, 30 Aug 2018 08:48:44 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

[tip:perf/core] perf augmented_syscalls: Update the header comments

Commit-ID: 5e2d8a5acc99e7b9df9be216f0a73855e865f9a5 Gitweb: https://git.kernel.org/tip/5e2d8a5acc99e7b9df9be216f0a73855e865f9a5 Author: Arnaldo Carvalho de Melo AuthorDate: Thu, 30 Aug 2018 10:02:23 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 30 Aug 2018 15:52:20 -0300 p

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