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[PATCH -v2] IRQ, cpu-hotplug: Fix a race between CPU hotplug and IRQ desc alloc/free

From: Huang Ying When developing code to bootup some APs (Application CPUs) asynchronously, the following kernel panic is encountered. After checking the code, it is found that the irq_to_desc() may return NULL during CPU hotplug. So the NULL pointer checking is added to

Re: [PATCH v4] bcache: Don't reinvent the wheel but use existing llist API

On 2017/9/5 上午10:37, Byungchul Park wrote: > On Fri, Aug 18, 2017 at 02:04:20PM +0800, Coly Li wrote: >> On 2017/8/18 上午9:24, Byungchul Park wrote: >>> On Fri, Aug 11, 2017 at 01:42:23PM +0900, Byungchul Park wrote: Although llist provides proper APIs, they are not used. Make them used. >>>

Re: [PATCH] sound: soc: fsl: Do not set DAI sysclk when it is equal to system freq

On Sun, Sep 03, 2017 at 01:05:01PM +0200, Lukasz Majewski wrote: > The problem is visible in the following setup (on the imx6q): > "simple-audio-card" -> ssi2 -> I2S + I2C -> codec > > The function call log (simple-card probe -> CONFIG_SND_SIMPLE_CARD): > > asoc_simple_card_init_dai() @

[tip:perf/urgent] perf vendor events powerpc: Remove duplicate events

Commit-ID: 2a118e1bd22cad57318520d37e3a184b8846c6a2 Gitweb: http://git.kernel.org/tip/2a118e1bd22cad57318520d37e3a184b8846c6a2 Author: Sukadev Bhattiprolu AuthorDate: Wed, 30 Aug 2017 21:42:23 -0400 Committer: Arnaldo Carvalho de Melo

[tip:perf/urgent] perf test powerpc: Fix 'Object code reading' test

Commit-ID: 9a805d8648ee09c136130fe4114a09574bc0b1ef Gitweb: http://git.kernel.org/tip/9a805d8648ee09c136130fe4114a09574bc0b1ef Author: Ravi Bangoria AuthorDate: Thu, 31 Aug 2017 14:44:56 +0530 Committer: Arnaldo Carvalho de Melo

[tip:perf/urgent] perf report: Calculate the average cycles of iterations

Commit-ID: c4ee06251d4212a0d55e2371f2db464f6a1e0901 Gitweb: http://git.kernel.org/tip/c4ee06251d4212a0d55e2371f2db464f6a1e0901 Author: Jin Yao AuthorDate: Mon, 7 Aug 2017 21:05:15 +0800 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 30

[RFC v3 1/7] platform/x86: intel_pmc_ipc: Use devm_* calls in driver probe function

From: Kuppuswamy Sathyanarayanan This patch cleans up unnecessary free/alloc calls in ipc_plat_probe(), ipc_pci_probe() and ipc_plat_get_res() functions by using devm_* calls. This patch also adds proper error handling for failure cases in

[RFC v3 6/7] platform/x86: intel_pmc_ipc: Use generic Intel IPC device calls

From: Kuppuswamy Sathyanarayanan Removed redundant IPC helper functions and refactored the driver to use generic IPC device driver APIs. Also, cleaned up the driver to minimize the usage of global variable ipcdev by propogating the struct

[RFC v3 7/7] platform/x86: intel_scu_ipc: Use generic Intel IPC device calls

From: Kuppuswamy Sathyanarayanan Removed redundant IPC helper functions and refactored the driver to use generic IPC device driver APIs. This patch also cleans-up SCU IPC user drivers to use APIs provided by generic IPC driver. Signed-off-by:

[PATCH] tracing: Fix clear of RECORDED_TGID flag when disabling trace event

When disabling one trace event, the RECORDED_TGID flag in the event file is not correctly cleared. It's clearing RECORDED_CMD flag when it should clear RECORDED_TGID flag. Fix d914ba37("tracing: Add support for recording tgid of tasks") Signed-off-by: Chunyu Hu ---

Re: [PATCH] IRQ, cpu-hotplug: Fix a race between CPU hotplug and IRQ desc alloc/free

Thomas Gleixner writes: > On Mon, 4 Sep 2017, Huang, Ying wrote: >> diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c >> index 638eb9c83d9f..af9029625271 100644 >> --- a/kernel/irq/cpuhotplug.c > ry> +++ b/kernel/irq/cpuhotplug.c >> @@ -129,10 +129,13 @@ void

[rcu:rcu/dev 27/27] kernel/rcu/rcuperf.c:482:5: error: 'rcu_cpu_stall_suppress' undeclared

tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev head: 6a586ef8dd6e7c29655734f471c6047b2fd1c88e commit: 6a586ef8dd6e7c29655734f471c6047b2fd1c88e [27/27] rcu: Suppress RCU CPU stall warnings while dumping trace config: x86_64-randconfig-in0-09050501

Re: linux-next: manual merge of the akpm-current tree with the parisc-hd tree

Hi all, On Tue, 22 Aug 2017 16:53:18 +1000 Stephen Rothwell wrote: > > Today's linux-next merge of the akpm-current tree got a conflict in: > > arch/parisc/include/uapi/asm/mman.h > > between commit: > > 1c190151447d ("parisc: Add MADV_HWPOISON and

Re: [PATCH 2/2] tracing: Add support for critical section events

On Mon, Sep 4, 2017 at 4:34 PM, Steven Rostedt wrote: > On Mon, 4 Sep 2017 21:44:26 +0200 > Peter Zijlstra wrote: > >> > I can change the name to something else, but at the moment I can't >> > think of anything better. Could you suggest a better name?

[PATCH] swapon: fix vfree() badness

From: Dave Chinner The cluster_info structure is allocated with kvzalloc(), which can return kmalloc'd or vmalloc'd memory. It must be paired with kvfree(), but sys_swapon uses vfree(), resultin in this warning from xfstests generic/357: [ 1985.294915] swapon: swapfile has

[lkp-robot] [pids] dd1c1f2f20: will-it-scale.per_process_ops -5% regression

Greeting, We noticed a -5% regression of will-it-scale.per_process_ops due to commit: commit: dd1c1f2f2028a7b851f701fc6a8ebe39dcb95e7c ("pids: make task_tgid_nr_ns() safe") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master in testcase: will-it-scale on test machine: 256

[PATCH] Asoc: rockchip: Init dapm routes dynamically

Currently we are using a fixed list of dapm routes. Init dapm routes dynamically when parsing dailinks, since we are supporting optional codecs. Signed-off-by: Jeffy Chen --- sound/soc/rockchip/rk3399_gru_sound.c | 88 +-- 1 file

Re: [PATCH v11 0/2] Make find_later_rq() choose a closer cpu in topology

On Fri, Aug 25, 2017 at 03:40:49PM +0900, Byungchul Park wrote: > Change from v10 >-. modify a comment a bit as Steven suggested > > Change from v9 >-. modify a comment a bit so to be more clear as Juri suggested > > Change from v8 >-. add suggested-by Peterz >-. add several

Re: [HMM-v25 19/19] mm/hmm: add new helper to hotplug CDM memory region v3

On 2017/9/4 23:51, Jerome Glisse wrote: > On Mon, Sep 04, 2017 at 11:09:14AM +0800, Bob Liu wrote: >> On 2017/8/17 8:05, Jérôme Glisse wrote: >>> Unlike unaddressable memory, coherent device memory has a real >>> resource associated with it on the system (as CPU can address >>> it). Add a new

Re: linux-next: Signed-off-bys missing for commits in the thermal tree

On Tue, 2017-09-05 at 10:57 +1000, Stephen Rothwell wrote: > Hi Zhang, > > Commits > >   1f0d851d9359 ("Debug patch") >   083d998842a2 ("debug") > > are missing a Signed-off-bys. > > These are not really appropriate for linux-next inclusion - > especially > during the merge window. > oops,

答复: [PATCH v4] mfd: Add support for RTS5250S power saving

Dear Jones, > +static void rts5250_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int > +active) { > + struct rtsx_cr_option *option = &(pcr->option); > + > + u32 interrupt = rtsx_pci_readl(pcr, RTSX_BIPR); > + int card_exist = (interrupt & SD_EXIST) | (interrupt & MS_EXIST); > + int

[PATCH] arm64: Convert pr_warning to standard pr_warn

Convert pr_warning to standard pr_warn in arch/arm64/kernel/smp.c Signed-off-by: Cheng Jian --- arch/arm64/kernel/smp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 9f7195a..efcaa05

Re: [PATCH v2 1/2] ASoC: codec: use enable pin to control dmic start and stop

On Monday, September 04, 2017 06:03 PM, Arnaud Pouliquen wrote: Hello Lin, Sorry for this late answer. I'm not maintainer, just a contributor... but as some update seems strange for me, so i prefer to highlight it to clarify them. On 08/17/2017 04:24 AM, Lin Huang wrote: From: huang lin

[PATCH] block: fix bio.c kernel-doc notation warning

From: Randy Dunlap Sphinx treats symbols that end with '_' as some kind of special documentation indicator, so fix that by adding an ending '*' to it. ../block/bio.c:404: ERROR: Unknown target name: "gfp". Signed-off-by: Randy Dunlap ---

Re: [PATCH v2 2/2] dma: sprd: Add Spreadtrum DMA driver

On Tue, Aug 29, 2017 at 04:47:17PM +0800, Baolin Wang wrote: > +config SPRD_DMA > + bool "Spreadtrum DMA support" > + depends on ARCH_SPRD can you also add compile test to this, it helps in getting good coverage and easy to compile changes > +/* DMA global registers definition */ >

[tip:perf/urgent] perf trace: Support syscall name globbing

Commit-ID: 27702bcfe8a125a1feeeb5f07526d63b20cac47f Gitweb: http://git.kernel.org/tip/27702bcfe8a125a1feeeb5f07526d63b20cac47f Author: Arnaldo Carvalho de Melo AuthorDate: Thu, 31 Aug 2017 11:50:04 -0300 Committer: Arnaldo Carvalho de Melo CommitDate:

[tip:perf/urgent] perf syscalltbl: Support glob matching on syscall names

Commit-ID: 89be3f8ab701180fc0329eff1b076528d64ac56b Gitweb: http://git.kernel.org/tip/89be3f8ab701180fc0329eff1b076528d64ac56b Author: Arnaldo Carvalho de Melo AuthorDate: Thu, 31 Aug 2017 11:46:49 -0300 Committer: Arnaldo Carvalho de Melo CommitDate:

Re: [PATCH] sound: soc: fsl: Do not set DAI sysclk when it is equal to system freq

On Sun, Sep 03, 2017 at 04:40:21PM +0200, Łukasz Majewski wrote: > >/* > >* Hardware limitation: The bclk rate must be > >* never greater than 1/5 IPG clock rate > >*/ > >if (freq * 5 > clk_get_rate(ssi_private->clk)) { > >dev_err(cpu_dai->dev, "bitclk > ipgclk/5\n"); > >return -EINVAL; > >} > > >

[tip:perf/urgent] perf intel-pt: Fix syntax in documentation of config option

Commit-ID: 4fb205392022ba99a45dd01a62c6e2df046e400a Gitweb: http://git.kernel.org/tip/4fb205392022ba99a45dd01a62c6e2df046e400a Author: Jack Henschel AuthorDate: Thu, 31 Aug 2017 10:05:35 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 1

Re: [PATCH 2/2] mm, memory_hotplug: remove timeout from __offline_memory

On 09/04/2017 02:45 PM, Michal Hocko wrote: > On Mon 04-09-17 17:05:15, Xishi Qiu wrote: >> On 2017/9/4 17:01, Michal Hocko wrote: >> >>> On Mon 04-09-17 16:58:30, Xishi Qiu wrote: On 2017/9/4 16:21, Michal Hocko wrote: > From: Michal Hocko > > We have a

Re: [PATCH v2] drivers/mailbox: Add Aspeed mailbox driver

On Mon, 2017-09-04 at 20:13 +0530, Jassi Brar wrote: > On Mon, Sep 4, 2017 at 12:47 PM, Cyril Bur wrote: > > Hi, > > > > I haven't heard anything about this driver. I'm trying to interpret if > > the silence is because there is something fundamentally wrong with the > >

Re: Donation

Greetings To You, My Name is Mavis wanczyk , the winner of the Power ball jackpot of $ $758.7 million in the AUGUST 24, 2017, My jackpot was a gift from God to me hence my Entire family/foundation has AGREED to do this. My foundation is donating $500,000.00USD to you. please contac

linux-next: Signed-off-bys missing for commits in the thermal tree

Hi Zhang, Commits 1f0d851d9359 ("Debug patch") 083d998842a2 ("debug") are missing a Signed-off-bys. These are not really appropriate for linux-next inclusion - especially during the merge window. -- Cheers, Stephen Rothwell

a competition when some threads acquire futex

A competition happend when some thread use pthread_mutex(futex in kernel). I make a demo about this : two thread get a lock and then sleep for a few time, finally unlock when waked up. ```cpp pthread_mutex_lock(); //printf("tid = %lu, count = %d\n", pthread_self( ), i);

Re: linux-next: Signed-off-by missing for commit in the cifs tree

Fixed and repushed On Mon, Sep 4, 2017 at 5:44 PM, Steve French wrote: > Ok. Will check what happened and repush > > On Sep 4, 2017 16:56, "Stephen Rothwell" wrote: >> >> Hi all, >> >> Commit >> >> 84c9d65efa37 ("cifs: Check for timeout on Negotiate

Re: [RFC PATCH v1 2/3] apei: add ghes param for arch_apei_report_mem_error

Hi Borislav, On 2017/9/1 19:15, Borislav Petkov wrote: > n Fri, Sep 01, 2017 at 06:32:00PM +0800, Xie XiuQi wrote: >> Add ghes param for arch_apei_report_mem_error, with which >> we could do more arch-specific processing. >> >> Signed-off-by: Xie XiuQi >> --- >>

[PATCH v3 0/2] Make cppc acpi driver aware of pcc subspace ids

The current cppc acpi driver works with only one pcc subspace id. It maintains and registers only one pcc channel even if the acpi table has different pcc subspace ids. As per ACPI 6.2 spec all PCC registers, for all processors in the same performance domain (as defined by _PSD), must be

[PATCH v3 1/2] mailbox: PCC: Move the MAX_PCC_SUBSPACES definition to header file

Move the MAX_PCC_SUBSPACES definition to acpi/pcc.h file. In preparation to add subspace id support for cppc_acpi driver. Signed-off-by: George Cherian --- drivers/mailbox/pcc.c | 1 - include/acpi/pcc.h| 1 + 2 files changed, 1 insertion(+), 1 deletion(-) diff

[PATCH v3 2/2] ACPI / CPPC: Make cppc acpi driver aware of pcc subspace ids

Based on ACPI 6.2 Section 8.4.7.1.9 If the PCC register space is used, all PCC registers, for all processors in the same performance domain (as defined by _PSD), must be defined to be in the same subspace. Based on Section 14.1 of ACPI specification, it is possible to have a maximum of 256 PCC

Re: [PATCH RESEND 0/2] Allwinner V3s DMA support

On Tue, Aug 29, 2017 at 12:51:25PM +0800, Icenowy Zheng wrote: > This is a dedicated patchset of Allwinner V3s DMA support, which used > to be part of the audio codec support patchset. > > It's a derivation of the DMA part of v3 of the codec patchset. Applied, thanks -- ~Vinod

Re: broken cycle counts from perf record in frequency mode [Was: Re: deducing CPU clock rate over time from cycle samples]

> The cycle value gets associated with a sample via it's period value, which is > used by `perf report` in the analysis. If I get a single "broken" sample with I always thought it just used the number of samples? > a cycle count of, say 1E14 and then a million other samples, each with "sane"

Re: [HMM-v25 19/19] mm/hmm: add new helper to hotplug CDM memory region v3

On 2017/9/5 10:38, Jerome Glisse wrote: > On Tue, Sep 05, 2017 at 09:13:24AM +0800, Bob Liu wrote: >> On 2017/9/4 23:51, Jerome Glisse wrote: >>> On Mon, Sep 04, 2017 at 11:09:14AM +0800, Bob Liu wrote: On 2017/8/17 8:05, Jérôme Glisse wrote: > Unlike unaddressable memory, coherent device

[tip:perf/urgent] perf script: Support physical address

Commit-ID: 49d58f04eb6cdc18b3747fc4243a7114364f5420 Gitweb: http://git.kernel.org/tip/49d58f04eb6cdc18b3747fc4243a7114364f5420 Author: Kan Liang AuthorDate: Tue, 29 Aug 2017 13:11:11 -0400 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 1 Sep

[tip:perf/urgent] perf test: Add test case for PERF_SAMPLE_PHYS_ADDR

Commit-ID: fc33dccba39584e403436b9cda3edc9c34b62bce Gitweb: http://git.kernel.org/tip/fc33dccba39584e403436b9cda3edc9c34b62bce Author: Kan Liang AuthorDate: Tue, 29 Aug 2017 13:11:12 -0400 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 1 Sep

[tip:perf/urgent] perf annotate browser: Help for cycling thru hottest instructions with TAB/shift+TAB

Commit-ID: eba9fac017617e685d648339e29a1453a30cb065 Gitweb: http://git.kernel.org/tip/eba9fac017617e685d648339e29a1453a30cb065 Author: Arnaldo Carvalho de Melo AuthorDate: Fri, 1 Sep 2017 14:55:40 -0300 Committer: Arnaldo Carvalho de Melo CommitDate:

[tip:perf/urgent] perf tools: Support new sample type for physical address

Commit-ID: 3b0a5daa061076b2b75ffc294e74483ad9bf241a Gitweb: http://git.kernel.org/tip/3b0a5daa061076b2b75ffc294e74483ad9bf241a Author: Kan Liang AuthorDate: Tue, 29 Aug 2017 13:11:08 -0400 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 1 Sep

[tip:perf/urgent] perf stat: Only auto-merge events that are PMU aliases

Commit-ID: 63ce8449bc1081711eef1add68909e9bd758de62 Gitweb: http://git.kernel.org/tip/63ce8449bc1081711eef1add68909e9bd758de62 Author: Arnaldo Carvalho de Melo AuthorDate: Thu, 31 Aug 2017 15:32:18 -0300 Committer: Arnaldo Carvalho de Melo CommitDate:

[tip:perf/urgent] perf sort: Add sort option for physical address

Commit-ID: 8780fb25ab060bafa5a8149e79b703e0fc7ee847 Gitweb: http://git.kernel.org/tip/8780fb25ab060bafa5a8149e79b703e0fc7ee847 Author: Kan Liang AuthorDate: Tue, 29 Aug 2017 13:11:09 -0400 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 1 Sep

[tip:perf/urgent] perf mem: Support physical address

Commit-ID: c35aeb9dfe512422ca9ea28aae692c8f1d052b2d Gitweb: http://git.kernel.org/tip/c35aeb9dfe512422ca9ea28aae692c8f1d052b2d Author: Kan Liang AuthorDate: Tue, 29 Aug 2017 13:11:10 -0400 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 1 Sep

Re: linux-next: manual merge of the userns tree with the mips tree

Hi all, On Tue, 8 Aug 2017 15:10:04 +1000 Stephen Rothwell wrote: > > Today's linux-next merge of the userns tree got a conflict in: > > arch/mips/kernel/traps.c > > between commit: > > 260a789828aa ("MIPS: signal: Remove unreachable code from >

linux-next: no new material during the merge window

Hi all, Please do not add any v4.15 related material to your linux-next included branches until after v4.14-rc1 has been released. -- Cheers, Stephen Rothwell

[PATCH net V2] vhost_net: correctly check tx avail during rx busy polling

We check tx avail through vhost_enable_notify() in the past which is wrong since it only checks whether or not guest has filled more available buffer since last avail idx synchronization which was just done by vhost_vq_avail_empty() before. What we really want is checking pending buffers in the

[PATCH v3 1/3] usb: xhci: Make some static functions global

This patch makes some static functions global to avoid duplications in different files. These functions can be used in the implementation of xHCI debug capability. There is no functional change. Signed-off-by: Lu Baolu --- drivers/usb/host/xhci-mem.c | 94

[PATCH v3 2/3] usb: xhci: Add DbC support in xHCI driver

xHCI compatible USB host controllers(i.e. super-speed USB3 controllers) can be implemented with the Debug Capability(DbC). It presents a debug device which is fully compliant with the USB framework and provides the equivalent of a very high performance full-duplex serial link. The debug capability

[PATCH v3 3/3] usb: doc: Update document for USB3 debug port usage

Update Documentation/driver-api/usb/usb3-debug-port.rst. This update includes the guide for using xHCI debug capability based TTY serial link. Signed-off-by: Lu Baolu --- Documentation/driver-api/usb/usb3-debug-port.rst | 68 1 file changed, 68

[PATCH v3 0/3] usb: xhci: Add debug capability support in xhci

Hi, This series is for xHCI debug capability (spec section 7.6.8) support in the xHCI driver. xHCI compatible USB host controllers(i.e. super-speed USB3 controllers) can be implemented with the Debug Capability(DbC). It presents a debug device which is fully compliant with the USB framework and

Re: [PATCH 2/2] tracing: Add support for critical section events

On Mon, Sep 4, 2017 at 5:54 PM, Joel Fernandes wrote: > On Mon, Sep 4, 2017 at 4:34 PM, Steven Rostedt wrote: >> On Mon, 4 Sep 2017 21:44:26 +0200 >> Peter Zijlstra wrote: >> >>> > I can change the name to something else, but at the

[PATCH linux-next v6 1/1] spi: imx: Add support for SPI Slave mode

Previously i.MX SPI controller only works in Master mode. This patch adds support to i.MX51, i.MX53 and i.MX6 ECSPI controller to work also in Slave mode. Currently SPI Slave mode support patch has the following limitations: 1. The stale data in RXFIFO will be dropped when the Slave does any new

[RFC v3 5/7] platform/x86: intel_punit_ipc: Use generic intel ipc device calls

From: Kuppuswamy Sathyanarayanan Removed redundant IPC helper functions and refactored the driver to use APIs provided by generic IPC driver. This patch also cleans-up PUNIT IPC user drivers to use APIs provided by generic IPC driver. Signed-off-by:

[RFC v3 3/7] platform/x86: intel_pmc_ipc: Use regmap calls for GCR updates

From: Kuppuswamy Sathyanarayanan Currently, update_no_reboot_bit() function implemented in this driver uses mutex_lock to protect its register updates. But this function is called with in atomic context in iTCO_wdt_start() and iTCO_wdt_stop() functions

[RFC v3 4/7] platform: x86: Add generic Intel IPC driver

From: Kuppuswamy Sathyanarayanan Currently intel_scu_ipc.c, intel_pmc_ipc.c and intel_punit_ipc.c redundantly implements the same IPC features and has lot of code duplication between them. This driver addresses this issue by grouping the common IPC

[RFC v3 0/7] PMC/PUNIT IPC driver cleanup

From: Kuppuswamy Sathyanarayanan Hi All, Currently intel_pmc_ipc.c, intel_punit_ipc.c, intel_scu_ipc.c drivers implements the same IPC features. This code duplication could be avoided if we implement the IPC driver as a generic library and let

[RFC v3 2/7] platform/x86: intel_pmc_ipc: Use MFD framework to create dependent devices

From: Kuppuswamy Sathyanarayanan Currently, we have lot of repetitive code in dependent device resource allocation and device creation handling code. This logic can be improved if we use MFD framework for dependent device creation. This patch adds this

Re: linux-next: manual merge of the tip tree with the net-next tree

Hi Dave, On Thu, 31 Aug 2017 13:47:02 +1000 Stephen Rothwell wrote: > > Today's linux-next merge of the tip tree got a conflict in: > > drivers/net/ethernet/cavium/liquidio/lio_main.c > > between commit: > > d1d97ee6e3a8 ("liquidio: moved liquidio_napi_drv_callback

Re: linux-next: manual merge of the rpmsg tree with the qcom tree

Hi all, On Wed, 9 Aug 2017 14:57:27 +1000 Stephen Rothwell wrote: > > Today's linux-next merge of the rpmsg tree got a conflict in: > > drivers/soc/qcom/Kconfig > > between commit: > > 2a464815d326 ("soc: qcom: bring all qcom drivers into a submenu") > > from the

Re: [PATCH v8 11/14] lockdep: Apply crossrelease to PG_locked locks

On Mon, Aug 07, 2017 at 04:12:58PM +0900, Byungchul Park wrote: > Although lock_page() and its family can cause deadlock, the lock > correctness validator could not be applied to them until now, becasue > things like unlock_page() might be called in a different context from > the acquisition

[PATCH 2/3] lockdep: Introduce lock_acquire_might()

>From the point of view of crossrelease, we can never be aware of the release context in advance, until we get to the lock_release(). However, this way we cannot report deadlocks occured at the time. Sometimes, we want to report that kind of problems, taking a risk generating false dependencies

[PATCH 1/3] lockdep: Use enum type on hlock->read instead of magic number

Currently hlock->read can have the following values: 0: write type 1: read type 2: read recursion type It would be better to use human readable type than magic numbers. Furthermore, this way it's easier to extend it so that hlock->read has another value. Signed-off-by: Byungchul Park

[PATCH 3/3] lockdep: Remove unnecessary acquisitions wrt workqueue flush

Workqueue added manual acquisitions to catch deadlock cases. Now crossrelease was introduced, some of those are redundant because crossrelease-enabled wait_for_completeion() also does it. Removed it. Also, lock_map_acquire() in process_one_work() is too strong for that purpose.

[PATCH 0/3] Fix the workqueue and lockdep annotation issue

We introduced the following commit to detect deadlocks caused by wait_for_completion() in flush_{workqueue, work}() and other locks. But now LOCKDEP_COMPLETIONS is introduced, such works are automatically done by LOCKDEP_COMPLETIONS. commit 4e6045f134784f4b158b3c0f7a282b04bd816887

Re: [PATCH v2 1/3] arm: npcm: add basic support for Nuvoton BMCs

Le 08/31/17 à 15:53, Brendan Higgins a écrit : > Adds basic support for the Nuvoton NPCM750 BMC. > > Signed-off-by: Brendan Higgins > --- > arch/arm/Kconfig | 2 + > arch/arm/Makefile| 1 + > arch/arm/mach-npcm/Kconfig | 58

Re: [PATCH v5] iio: accel: mma8452: improvements to handle multiple events

> I agree with your understanding. It's a rising threshold, just that the input > will only reflect high frequency changes in the signal. Thank you for the clarification. I am hoping this gets merged in the next window if no other issues. Thanks, Hari On Sun, Sep 3, 2017 at 12:24 PM, Jonathan

Re: [HMM-v25 19/19] mm/hmm: add new helper to hotplug CDM memory region v3

On Tue, Sep 5, 2017 at 1:51 AM, Jerome Glisse wrote: > On Mon, Sep 04, 2017 at 11:09:14AM +0800, Bob Liu wrote: >> On 2017/8/17 8:05, Jérôme Glisse wrote: >> > Unlike unaddressable memory, coherent device memory has a real >> > resource associated with it on the system (as CPU

Re: [GIT PULL 00/13] perf/core improvements and fixes

* Arnaldo Carvalho de Melo wrote: > Hi Ingo, > > Please consider pulling, > > - Arnaldo > > Test results at the end of this message, as usual. > > The following changes since commit 1b2f76d77a277bb70d38ad0991ed7f16bbc115a9: > > Merge tag

linux-next: manual merge of the akpm-current tree with the net-next tree

Hi Andrew, Today's linux-next merge of the akpm-current tree got a conflict in: arch/sh/configs/se7751_defconfig between commit: 9efdb14f76f4 ("net: Remove CONFIG_NETFILTER_DEBUG and _ASSERT() macros.") from the net-next tree and commit: a83883ff2285 ("sh: defconfig: cleanup from old

Re: [PATCH v06 35/36] uapi linux/tls.h: don't include in user space

On Wed, Aug 09, 2017 at 02:25:54AM +0300, Dmitry V. Levin wrote: > On Sun, Aug 06, 2017 at 06:44:26PM +0200, Mikko Rapeli wrote: > > It is not needed and not part of uapi headers, but causes > > user space compilation error: > > > > fatal error: net/tcp.h: No such file or directory > > #include

HAVE_EFFICIENT_UNALIGNED_ACCESS on ARM32 (was: Alignment issues in zImage with Linux 4.12, LZ4 and GCC5.3)

2017-07-24 13:07 GMT+02:00 Ard Biesheuvel : > On 24 July 2017 at 11:57, Romain Izard wrote: >> >> While upgrading the kernel from 4.9 to 4.12 for a custom board with a >> Cortex-A5 based CPU, I have encountered a compilation issue that leads

Re: [PATCH v7 9/9] sparc64: Add support for ADI (Application Data Integrity)

Hi! > ADI is a new feature supported on SPARC M7 and newer processors to allow > hardware to catch rogue accesses to memory. ADI is supported for data > fetches only and not instruction fetches. An app can enable ADI on its > data pages, set version tags on them and use versioned addresses to >

Re: [Intel-wired-lan] [PATCH] e1000e: changed some expensive calls of udelay to usleep_range

Dear Matthew, On 08/23/17 17:59, Matthew Tan wrote: Calls to udelay are not preemtable by userspace so userspace applications experience a large (~200us) latency when running on core 0. Instead usleep_range can be used to be more friendly to userspace since it is

Re: linux-next: build failure after merge of the rcu tree

On Mon, Sep 04, 2017 at 02:50:45PM +1000, Stephen Rothwell wrote: > Hi Paul, > > After merging the rcu tree, today's linux-next build (x86_64 allmodconfig) > failed like this: > > ERROR: "rcu_cpu_stall_suppress" [kernel/rcu/rcutorture.ko] undefined! > ERROR: "rcu_cpu_stall_suppress"

[GIT PULL] SPI updates for v4.14

The following changes since commit 569dbb88e80deb68974ef6fdd6a13edb9d686261: Linux 4.13 (2017-09-03 13:56:17 -0700) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-v4.14 for you to fetch changes up to

[GIT PULL] Staging/IIO driver updates for 4.14-rc1

The following changes since commit cc4a41fe5541a73019a864883297bd5043aa6d98: Linux 4.13-rc7 (2017-08-27 17:20:40 -0700) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git/ tags/staging-4.14-rc1 for you to fetch changes up to

[GIT PULL] Char/Misc driver updates for 4.14-rc1

The following changes since commit cc4a41fe5541a73019a864883297bd5043aa6d98: Linux 4.13-rc7 (2017-08-27 17:20:40 -0700) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git/ tags/char-misc-4.14-rc1 for you to fetch changes up to

[GIT PULL] Driver core update for 4.14-rc1

The following changes since commit ef954844c7ace62f773f4f23e28d2d915adc419f: Linux 4.13-rc5 (2017-08-13 16:01:32 -0700) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/ tags/driver-core-4.14-rc1 for you to fetch changes up to

Re: [PATCH v6 09/12] ASoC: wm9712: add ac97 new bus support

On Mon, Sep 04, 2017 at 03:14:40PM +0200, Robert Jarzmik wrote: > Charles Keepax writes: > > This bit is still missing the ifdef it has in the preceeding > > patch. > Damn, you're right, it's missing in both wm9705 and wm9712, but not in wm9713. > That will be for

Re: [PATCH 06/13] perf vendor events powerpc: Remove duplicate events

On Mon, Sep 04, 2017 at 11:00:37AM -0300, Arnaldo Carvalho de Melo wrote: > From: Sukadev Bhattiprolu > > Some POWER PMU event names have multiple/alternate event codes. These > alternate event codes were listed in the POWER9 JSON files for > reference. > > But the

Re: [PATCH v3 01/11] perf, tools: Support weak groups

Em Fri, Sep 01, 2017 at 07:00:39PM +0200, Jiri Olsa escreveu: > On Fri, Sep 01, 2017 at 06:57:59PM +0200, Jiri Olsa wrote: > > On Thu, Aug 31, 2017 at 12:40:26PM -0700, Andi Kleen wrote: > > > From: Andi Kleen > > > Add a concept of a 'weak group': try to set up a group, > >

Re: [PATCH 1/1] net: mdio-mux: add mdio_mux parameter to mdio_mux_init()

On 09/04/2017 09:30 AM, Corentin Labbe wrote: > mdio_mux_init() use the parameter dev for two distinct thing: > 1) Have a device for all devm_ functions > 2) Get device_node from it > > Since it is two distinct purpose, this patch add a parameter mdio_mux > that is linked to task 2. > > This

Re: [PATCH v2] platform/x86: intel_cht_int33fe: Work around BIOS bug on some devices

On Mon, Sep 4, 2017 at 3:47 PM, Hans de Goede wrote: > Hi, > > On 04-09-17 14:23, Andy Shevchenko wrote: >> >> On Sat, 2017-09-02 at 18:20 +0200, Hans de Goede wrote: >>> >>> At least one BIOS enumerates the max17047 both through the INT33FE >>> ACPI >>> device (it is right

Re: [PATCH 1/1] net: mdio-mux: add mdio_mux parameter to mdio_mux_init()

On 09/04/2017 09:30 AM, Corentin Labbe wrote: > mdio_mux_init() use the parameter dev for two distinct thing: > 1) Have a device for all devm_ functions > 2) Get device_node from it > > Since it is two distinct purpose, this patch add a parameter mdio_mux > that is linked to task 2. > > This

Re: drivers/clocksource/timer-of.h:35:28: error: field 'clkevt' has incomplete type

On 09/02/17 23:28, kbuild test robot wrote: > Hi Daniel, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: d0d6ab53c9abd7dd1070f43a0455328874127ba8 > commit: dc11bae78529526605c5c45c369c9512fd012093

Re: hotplug lockdep splat (tip)

On Mon, 2017-09-04 at 17:37 +0200, Peter Zijlstra wrote: > > Doth teh beloweth make nice? Yes, no more insta-gripe. > --- > kernel/cpu.c | 47 +++ > 1 file changed, 39 insertions(+), 8 deletions(-) > > diff --git a/kernel/cpu.c b/kernel/cpu.c >

Re: hotplug lockdep splat (tip)

On Mon, 2017-09-04 at 16:23 +0200, Peter Zijlstra wrote: > On Mon, Sep 04, 2017 at 09:55:02AM +0200, Peter Zijlstra wrote: > > On Sun, Sep 03, 2017 at 08:59:35AM +0200, Mike Galbraith wrote: > > > > > > [ 126.626908] Unregister pv shared memory for cpu 1 > > > [ 126.631041] > > > [

Re: [PATCH] drivers/x86: add thinkpad-wmi

On Mon, Sep 4, 2017 at 11:21 AM, Corentin Chary wrote: > This driver has been available on https://github.com/iksaif/thinkpad-wmi for > a few year and is already deployed on large fleets of thinkpad laptops. > > The WMI interface is documented here: >

Re: [GIT PULL] regulator updates for v4.14

On Mon, Sep 04, 2017 at 10:04:02AM -0700, Linus Torvalds wrote: > google either hates you personally, or your sirena.org.uk domain, or > something else about how you write your pull emails. > Both your regulator and your SPI pull request were marked as spam. > It's not obvious why that would

Applied "ALSA: ac97: split out the generic ac97 registers" to the asoc tree

The patch ALSA: ac97: split out the generic ac97 registers has been applied to the asoc tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent

Re: [RFCv4 1/6] sched/core: add utilization clamping to CPU controller

On 28-Aug 11:23, Tejun Heo wrote: > Hello, Hi Teo, > No idea whether this makes sense overall. I'll just comment on the > cgroup interface part. Thanks for the feedback, some comments follow inline... > On Thu, Aug 24, 2017 at 07:08:52PM +0100, Patrick Bellasi wrote: > > This patch extends

Applied "ALSA: ac97: add an ac97 bus" to the asoc tree

The patch ALSA: ac97: add an ac97 bus has been applied to the asoc tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the

Applied "ASoC: add new ac97 bus support" to the asoc tree

The patch ASoC: add new ac97 bus support has been applied to the asoc tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during

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