Re: [PATCH v2] iommu/arm-smmu-v3: limit use of 2-level stream tables

On Tue, Jul 12, 2016 at 02:19:20PM -0400, Nate Watterson wrote: > In the current arm-smmu-v3 driver, all smmus that support 2-level > stream tables are being forced to use them. This is suboptimal for > smmus that support fewer stream id bits than would fill in a single > second level table. This

[PATCH v2] dmaengine: zynqmp_dma: Fix static checker warning

This patch fixes the below static checker warning drivers/dma/xilinx/zynqmp_dma.c:973 zynqmp_dma_chan_probe() warn: was && intended here instead of ||? Reported-by: Dan Carpenter Signed-off-by: Kedareswara rao Appana --- Changes for v2: --->

Re: [PATCH 2/2] proc: Add /proc//timerslack_ns interface

On 7/14/2016 5:48 AM, Serge E. Hallyn wrote: Can someone give a detailed explanation of what you could do with the new timerslack feature and compare it to what you can do with sys_nice? what you can do with the timerslack feature is add upto 4 seconds of extra time/delay on top of each

Re: [PATCH v2 07/13] sched/fair: Let asymmetric cpu configurations balance at wake-up

On 13 July 2016 at 18:14, Morten Rasmussen wrote: > On Wed, Jul 13, 2016 at 02:56:41PM +0200, Vincent Guittot wrote: >> On 22 June 2016 at 19:03, Morten Rasmussen wrote: >> > Currently, SD_WAKE_AFFINE always takes priority over wakeup balancing

[PATCH] radix-tree: fix radix_tree_iter_retry() for tagged iterators.

radix_tree_iter_retry() resets slot to NULL, but it doesn't reset tags. Then NULL slot and non-zero iter.tags passed to radix_tree_next_slot() leading to crash: RIP: [< inline >] radix_tree_next_slot include/linux/radix-tree.h:473 [] find_get_pages_tag+0x334/0x930 mm/filemap.c:1452

Re: [GIT PULL 4/4] arm64: defconfig: Stuff for exynos for v4.8, last round

On Monday, July 11, 2016 6:41:18 PM CEST Krzysztof Kozlowski wrote: > Samsung defconfig updates for ARM64 - enable drivers for > Exynos7 and Exynos5433 based boards: > 1. S2MPS clock driver, > 2. SoC: RTC, SPI, watchdog, EHCI, OHCI, DWC3, ADC and PWM, > 3. Enable Samsung SoC sound. > Merged into

Re: [RFC PATCH v3] net: sched: convert qdisc linked list to hashtable

[ added CCs ] On Tue, 12 Jul 2016, kbuild test robot wrote: > Hi, > > [auto build test ERROR on net/master] > [also build test ERROR on v4.7-rc7 next-20160711] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url: >

Re: Severe performance regression w/ 4.4+ on Android due to cgroup locking changes

On Thu, Jul 14, 2016 at 03:18:09PM +0200, Peter Zijlstra wrote: > On Wed, Jul 13, 2016 at 10:51:02PM +0200, Peter Zijlstra wrote: > > So, IIRC, the trade-off is a full memory barrier in read_lock and > > read_unlock() vs sync_sched() in write. > > > > Full memory barriers are expensive and while

Re: [PATCH 6/9] security, overlayfs: Provide hook to correctly label newly created files

On 07/13/2016 10:44 AM, Vivek Goyal wrote: > During a new file creation we need to make sure new file is created with the > right label. New file is created in upper/ so effectively file should get > label as if task had created file in upper/. > > We switched to mounter's creds for actual file

Re: [Query] Preemption (hogging) of the work handler

Hello Jan, On (07/14/16 16:12), Jan Kara wrote: [..] > > *** a printk() call from here will kill the system. either it will > > recurse printk(), or spin forever in 'nested' printk() on one of > > the already taken spin locks. [..] > And with sync printk the above deadlock doesn't trigger only by

Re: [PATCH v3] locking/pvqspinlock: restore/set vcpu_hashed state after failing adaptive locking spinning

On 07/14/2016 07:39 AM, Wanpeng Li wrote: From: Wanpeng Li When the lock holder vCPU is racing with the queue head: CPU 0 (lock holder)CPU 1 (queue head) ==== spin_lock(); spin_lock(); pv_kick_node():

[ANNOUNCE] 3.2.81-rt117

Dear RT Folks, I'm pleased to announce the 3.2.81-rt117 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v3.2-rt Head SHA1: fe7588485c196d9dcfb35019c846c7f9cdde64fa Or to build 3.2.81-rt117

Re: System freezes after OOM

On Thu 14-07-16 10:00:16, Mikulas Patocka wrote: > > > On Thu, 14 Jul 2016, Michal Hocko wrote: > > > On Wed 13-07-16 11:02:15, Mikulas Patocka wrote: > > > > > diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c > > > > index 4f3cb3554944..0b806810efab 100644 > > > > ---

[ANNOUNCE] 3.4.112-rt143

Dear RT Folks, I'm pleased to announce the 3.4.112-rt143 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v3.4-rt Head SHA1: 7a6baa46e0f5e19beea329413b9832722f86ee5e Or to build 3.4.112-rt143

Re: [PATCH v4 1/2] arch, x86, tsc deadline clockevent dev: eliminate frequency roundoff error

On 14/07/2016 17:22, Nicolai Stange wrote: > In setup_APIC_timer(), the registered clockevent device's frequency > is calculated by first dividing tsc_khz by TSC_DIVISOR and multiplying > it with 1000 afterwards: > > (tsc_khz / TSC_DIVISOR) * 1000 > > The multiplication with 1000 is done for

Re: [PATCH v2 06/13] sched: Store maximum per-cpu capacity in root domain

On 13 July 2016 at 18:37, Morten Rasmussen wrote: > On Wed, Jul 13, 2016 at 02:48:24PM +0100, Dietmar Eggemann wrote: >> On 13/07/16 13:40, Vincent Guittot wrote: >> > On 22 June 2016 at 19:03, Morten Rasmussen >> > wrote: >> >> From: Dietmar

Re: [PATCH] media: s5p-mfc remove unnecessary error messages

Hello Shuah, On 07/14/2016 09:35 AM, Shuah Khan wrote: > On 07/14/2016 06:46 AM, Javier Martinez Canillas wrote: >> Hello Shuah, >> >> On 07/12/2016 08:33 PM, Shuah Khan wrote: >>> Removing unnecessary error messages as appropriate error code is returned. >>> >>> Signed-off-by: Shuah Khan

Re: [PATCH 4/4] x86: use pte_none() to test for empty PTE

On 07/08/2016 02:19 AM, Dave Hansen wrote: From: Dave Hansen The page table manipulation code seems to have grown a couple of sites that are looking for empty PTEs. Just in case one of these entries got a stray bit set, use pte_none() instead of checking for a

Re: [GIT PULL] STi late updates for v4.8

On Tuesday, July 12, 2016 4:05:41 PM CEST Patrice Chotard wrote: > Highlights: > --- > - Add STi DT critical clocks declaration > - Remove SPI hack wich has dependecy with critical clocks > > These 2 STi DT patches and SPI hack MUST be applied after patches > contained into Stephen Boyd's

Re: [PATCH] usb: ehci-platform: use helper variables in probe function

On Wed, 13 Jul 2016, Rafał Miłecki wrote: > Probing function was using >dev and dev->dev.of_node over 20 times > so I believe it made sense to use helper variables for both of them. > To avoid some uncommon variable name for struct device I first replaced > existing dev variable with pdev. > >

Re: [PATCH] qla2xxx: setup data needed in ISR before setting up the ISR

On 7/13/16, 9:28 PM, "Martin K. Petersen" wrote: >> "Johannes" == Johannes Thumshirn writes: > >Johannes> qla2xxx first calls request_irq() and then does the setup of >Johannes> the queue entry data needed in the interrupt handlers in when

Re: [PATCH 2/4] mm: vmstat: account per-zone stalls and pages skipped during reclaim -fix

On 07/13/2016 12:00 PM, Mel Gorman wrote: As pointed out by Johannes -- the PG prefix seems to stand for page, and all stat names that contain it represent some per-page event. PGSTALL is not a page event. This patch renames it. This is a fix for the mmotm patch

Re: Purpose of pci_remap_iospace

On Thu, Jul 14, 2016 at 01:32:13PM +, Bharat Kumar Gogada wrote: [...] > Hi Lorenzo, > > I missed something in my device tree now I corrected it. > > ranges = <0x0100 0x 0xe000 0x 0xe000 0 0x0001 > //io You have not missed anything, you changed the PCI

[PATCH] drm/rockchip: allocate correct crtc state structure on reset

Because we are using a custom crtc_state structure, we must override the reset helper to allocate the correct amount of memory. Cc: sta...@vger.kernel.org Fixes: 4e257d9eee23 ("drm/rockchip: get rid of rockchip_drm_crtc_mode_config") Signed-off-by: John Keeping ---

Re: System freezes after OOM

On Wed 13-07-16 16:53:28, David Rientjes wrote: > On Wed, 13 Jul 2016, Mikulas Patocka wrote: > > > What are the real problems that f9054c70d28bc214b2857cf8db8269f4f45a5e23 > > tries to fix? > > > > It prevents the whole system from livelocking due to an oom killed process > stalling forever

Re: [GIT PULL 2/4] ARM: exynos: Stuff for v4.8, last round

On Monday, July 11, 2016 6:41:16 PM CEST Krzysztof Kozlowski wrote: > Samsung mach/soc update for v4.8, part 3: > Just cleanup - fix Sparse warning and constify passed iomem address. > Pulled into next/soc, thanks! Arnd

Re: [Query] Preemption (hogging) of the work handler

On Wed 13-07-16 14:45:07, Sergey Senozhatsky wrote: > Cc Petr Mladek. > > On (07/12/16 16:19), Viresh Kumar wrote: > [..] > > Okay, we have tracked this BUG and its really interesting. > > good find! > > > I hacked the platform's serial driver to implement a putchar() routine > > that simply

[PATCH v2] media: s5p-mfc remove unnecessary error messages

Removed unnecessary error message as appropriate error code is returned. Changed error message into a debug. Signed-off-by: Shuah Khan --- Changes since v1: - Changed EBUSY error message to a debug message. drivers/media/platform/s5p-mfc/s5p_mfc.c | 3 +-- 1 file

Re: [PATCH v2] locking/pvqspinlock: restore/set vcpu_hashed state after failing adaptive locking spinning

On 07/14/2016 07:26 AM, Peter Zijlstra wrote: On Thu, Jul 14, 2016 at 04:15:56PM +0800, Wanpeng Li wrote: In this case, lock holder inserts the pv_node of queue head into the hash table and set _Q_SLOW_VAL unnecessary. This patch avoids it by restoring/setting vcpu_halted state after failing

Re: [PATCH v2 1/7] lib/dlock-list: Distributed and lock-protected lists

Hello, Jan. On Thu, Jul 14, 2016 at 04:35:47PM +0200, Jan Kara wrote: > > > The current use case only need to use the regular lock functions. You are > > > right that future use cases may require an irqsafe version of locks. I can > > > either modify the code now to allow lock type selection at

Re: [PATCH] arm64: Add config to limit user space to 47bits

On 13 July 2016 at 18:14, Alexander Graf wrote: > On 07/13/2016 05:59 PM, Ard Biesheuvel wrote: >> >> On 13 July 2016 at 17:42, Alexander Graf wrote: >>> >>> Some user space applications are known to break with 48 bits virtual >> >> known by whom? At least I wasn't

RE: Purpose of pci_remap_iospace

> > Subject: Re: Purpose of pci_remap_iospace > > > > On Wed, Jul 13, 2016 at 12:30:44PM +, Bharat Kumar Gogada wrote: > > > > [...] > > > > > err = of_pci_get_host_bridge_resources(node, 0, 0xff, , ); > > > if (err) { > > > pr_err("Getting bridge resources failed\n");

Re: [PART2 PATCH v4 07/11] iommu/amd: Introduce amd_iommu_update_ga()

2016-07-14 16:13+0700, Suravee Suthikulpanit: > On 7/13/16 21:14, Radim Krčmář wrote: >> 2016-07-13 08:20-0500, Suravee Suthikulpanit: >> > diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c >> > @@ -4461,4 +4461,69 @@ int amd_iommu_create_irq_domain(struct amd_iommu >> > *iommu)

Re: [PATCH v2] dmaengine: zynqmp_dma: Fix static checker warning

Looks good. Thanks! regards, dan carpenter

Re: [PATCH v2 00/15] net: thunderx: Add support for 81xx and 83xx

Hi David, I have found that I missed some piece of code in a patch and also discovered a corner case issue while further testing. Please ignore this patch set, will submit another version soon. Thanks, Sunil. On Wed, Jul 13, 2016 at 11:29 AM, wrote: > From: Sunil

Re: [PATCH 3/9] security,overlayfs: Provide security hook for copy up of xattrs for overlay file

On 07/13/2016 10:44 AM, Vivek Goyal wrote: > Provide a security hook which is called when xattrs of a file are being > copied up. This hook is called once for each xattr and LSM can return > 0 if the security module wants the xattr to be copied up, 1 if the > security module wants the xattr to be

Re: [Query] Preemption (hogging) of the work handler

On Thursday, July 14, 2016 04:12:16 PM Jan Kara wrote: > On Wed 13-07-16 14:45:07, Sergey Senozhatsky wrote: > > Cc Petr Mladek. > > > > On (07/12/16 16:19), Viresh Kumar wrote: > > [..] > > > Okay, we have tracked this BUG and its really interesting. > > > > good find! > > > > > I hacked the

Re: [PATCH v2 1/7] lib/dlock-list: Distributed and lock-protected lists

On Thu 14-07-16 07:50:43, Tejun Heo wrote: > > > > +void dlock_list_add(struct dlock_list_node *node, struct > > > > dlock_list_head *head) > > > > +{ > > > > + struct dlock_list_head *myhead; > > > > + > > > > + /* > > > > +* Disable preemption to make sure that CPU won't

[ANNOUNCE] 3.12.61-rt82

Dear RT Folks, I'm pleased to announce the 3.12.61-rt82 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v3.12-rt Head SHA1: 275c808f91fc8e1873873718290a7f242fe127cd Or to build 3.12.61-rt82

RE: Purpose of pci_remap_iospace

> On Thu, Jul 14, 2016 at 01:32:13PM +, Bharat Kumar Gogada wrote: > > [...] > > > Hi Lorenzo, > > > > I missed something in my device tree now I corrected it. > > > > ranges = <0x0100 0x 0xe000 0x 0xe000 0 > 0x0001 //io > > You have not missed anything, you

Re: Purpose of pci_remap_iospace

On Thursday, July 14, 2016 3:56:24 PM CEST Lorenzo Pieralisi wrote: > On Thu, Jul 14, 2016 at 01:32:13PM +, Bharat Kumar Gogada wrote: > > [...] > > > Hi Lorenzo, > > > > I missed something in my device tree now I corrected it. > > > > ranges = <0x0100 0x 0xe000 0x

Re: Purpose of pci_remap_iospace

On Thu, Jul 14, 2016 at 03:05:40PM +, Bharat Kumar Gogada wrote: [...] > > On Thu, Jul 14, 2016 at 01:32:13PM +, Bharat Kumar Gogada wrote: > > > ranges = <0x0100 0x 0xe000 0x 0xe000 0 > > 0x0001 //io > > > > You have not missed anything, you changed the

Re: [PATCH 0/8] x86: audit and remove needless module.h includes

[Re: [PATCH 0/8] x86: audit and remove needless module.h includes] On 14/07/2016 (Thu 15:04) Ingo Molnar wrote: > > * Paul Gortmaker wrote: > > > To that end, I have done allmodconfig, allyesconfig and allnoconfig > > for both 32 bit and 64 bit x86 with these

Re: [PATCH] drm/rockchip: allocate correct crtc state structure on reset

On Thu, Jul 14, 2016 at 8:29 AM, John Keeping wrote: > Because we are using a custom crtc_state structure, we must override the > reset helper to allocate the correct amount of memory. > > Cc: sta...@vger.kernel.org > Fixes: 4e257d9eee23 ("drm/rockchip: get rid of

Re: bug in memcg oom-killer results in a hung syscall in another process in the same cgroup

> Well, but we can't do this. And "as expected" is actually just wrong. I still > think that the whole FAULT_FLAG_USER logic is not right. This needs another > email. I meant as expected from the content of the patch :) I think Konstantin agrees that this patch cannot be merged upstream. >

Re: [PATCH] media: s5p-mfc remove unnecessary error messages

On 07/14/2016 06:46 AM, Javier Martinez Canillas wrote: > Hello Shuah, > > On 07/12/2016 08:33 PM, Shuah Khan wrote: >> Removing unnecessary error messages as appropriate error code is returned. >> >> Signed-off-by: Shuah Khan >> --- >>

Re: [PATCH v2 02/10] irqchip: add irqchip driver for nuc900

Hi Wan Zongshun, On Thu, Jul 14, 2016 at 11:36:53AM +0800, Wan Zongshun wrote: > On 2016年07月14日 04:09, Jason Cooper wrote: > >On Sun, Jul 10, 2016 at 03:27:22PM +0800, Wan Zongshun wrote: > >>This patch is to add irqchip driver support for nuc900 plat, > >>current this driver only supports nuc970

Re: [PATCH 1/9] security, overlayfs: provide copy up security hook for unioned files

On 07/13/2016 11:13 AM, Vivek Goyal wrote: > Updated patch as per Stephen's feedback. > > Provide a security hook to label new file correctly when a file is copied > up from lower layer to upper layer of a overlay/union mount. > > This hook can prepare a new set of creds which are suitable for

Re: [RFC 3/3] watchdog: introduce CONFIG_WATCHDOG_OPEN_DEADLINE

On 07/14/2016 02:16 AM, Rasmus Villemoes wrote: The watchdog framework takes care of feeding a hardware watchdog until userspace opens /dev/watchdogN. If that never happens for some reason (buggy init script, corrupt root filesystem or whatnot) but the kernel itself is fine, the machine stays up

Re: [Query] Preemption (hogging) of the work handler

On Thursday, July 14, 2016 04:39:39 PM Jan Kara wrote: > On Thu 14-07-16 16:33:38, Rafael J. Wysocki wrote: > > On Thursday, July 14, 2016 04:12:16 PM Jan Kara wrote: > > > On Wed 13-07-16 14:45:07, Sergey Senozhatsky wrote: > > > > Cc Petr Mladek. > > > > > > > > On (07/12/16 16:19), Viresh

[PATCH] mmc: pxamci: fix potential oops

As reported by Dan in his report in [1], there is a potential NULL pointer derefence if these conditions are met : - there is no platform_data provided, ie. host->pdata = NULL Fix this by only using the platform data ro_invert when a gpio for read-only is provided by the platform data. This

Re: Severe performance regression w/ 4.4+ on Android due to cgroup locking changes

On Thu, Jul 14, 2016 at 02:20:49PM +0200, Peter Zijlstra wrote: > > If that's the case, we have the wrong implemention > > for percpu-rwsem where very long delays for writers induce the same > > level of delays to all readers. If expedited by default isn't > > workable, we should move away from

Re: [PATCH v2] media: s5p-mfc remove unnecessary error messages

Hello Shuah, On 07/14/2016 10:40 AM, Shuah Khan wrote: > Removed unnecessary error message as appropriate error code is returned. > Changed error message into a debug. > > Signed-off-by: Shuah Khan > --- Reviewed-by: Javier Martinez Canillas

Re: [PATCH v4 4/4] drm/rockchip: analogix_dp: implement PSR function

On Thu, Jul 14, 2016 at 12:15:58PM +0800, Yakir Yang wrote: > Alway enable the PSR function for Rockchip analogix_dp driver. If panel > don't support PSR, then the core analogix_dp would ignore this setting. > > Signed-off-by: Yakir Yang Reviewed-by: Sean Paul

Re: Purpose of pci_remap_iospace

On Thu, Jul 14, 2016 at 05:12:01PM +0200, Arnd Bergmann wrote: > On Thursday, July 14, 2016 3:56:24 PM CEST Lorenzo Pieralisi wrote: > > On Thu, Jul 14, 2016 at 01:32:13PM +, Bharat Kumar Gogada wrote: > > > > [...] > > > > > Hi Lorenzo, > > > > > > I missed something in my device tree now

Re: [PATCH perf/core 07/10] perf probe: Support @BUILDID or @FILE suffix for SDT events

On Wed, 13 Jul 2016 21:20:48 -0300 Arnaldo Carvalho de Melo wrote: > Em Wed, Jul 13, 2016 at 09:16:32PM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Wed, Jul 13, 2016 at 09:07:19PM -0300, Arnaldo Carvalho de Melo escreveu: > > > I'm going to look my inbox for patches I

Re: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient

On Fri, Jul 08, 2016 at 06:58:54PM +0800, Jisheng Zhang wrote: > On Fri, 8 Jul 2016 12:50:12 +0200 Daniel Lezcano wrote: > > > On Fri, Jul 08, 2016 at 02:17:29PM +0800, Jisheng Zhang wrote: > > > Dear Daniel, > > > > > > On Thu, 7 Jul 2016 15:46:28 +0200 Daniel Lezcano wrote: > > > > > > >

Re: System freezes after OOM

On Thu 14-07-16 16:08:28, Ondrej Kozina wrote: [...] > As Mikulas pointed out, this doesn't work. The system froze as well with the > patch above. Will try to tweak the patch with Mikulas's suggestion... Thank you for testing! Do you happen to have traces of the frozen processes? Does the flusher

Re: [PATCH v2 00/10] Exynos IOMMU: proper runtime PM support (use device dependencies)

Hello Marek, I've tested the patchset on 4.7-rc7 and noticed that it breaks reboot on my ODROID-X2. Going to check where exactly things break. With best wishes, Tobias Marek Szyprowski wrote: > Hello, > > This patch series finally implements proper runtime PM support in Exynos > IOMMU

Re: [GIT PULL 1/4] ARM: exynos: Drivers for v4.8, last round

On Monday, July 11, 2016 6:41:15 PM CEST Krzysztof Kozlowski wrote: > Samsung drivers/soc update for v4.8, part 3 > 1. Fix size of allocation for Exynos SROM registers (too much was allocated). > 2. Constify fix. > Pulled into next/drivers, thanks! Arnd

Re: [PATCH 4/4] x86: use pte_none() to test for empty PTE

On 07/14/2016 06:47 AM, Vlastimil Babka wrote: > So, this might be just because I know next to nothing about (para)virt, > but... > > in arch/x86/include/asm/paravirt.h, pte_val is implemented via some > pvops, which suggests that obtaining a pte value is different than just > reading it from

[ANNOUNCE] 4.4.12-rt20

Dear RT Folks, I'm pleased to announce the 4.4.12-rt20 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v4.4-rt Head SHA1: b4059f165a21ace3e150cf8e14752bb05f27137b Or to build 4.4.12-rt20

Re: [PATCH v4 2/4] drm/rockchip: add an common abstracted PSR driver

On Thu, Jul 14, 2016 at 12:15:49PM +0800, Yakir Yang wrote: > The PSR driver have exported four symbols for specific device driver: > - rockchip_drm_psr_register() > - rockchip_drm_psr_unregister() > - rockchip_drm_psr_enable() > - rockchip_drm_psr_disable() > - rockchip_drm_psr_flush() > >

Re: Severe performance regression w/ 4.4+ on Android due to cgroup locking changes

On Thu, Jul 14, 2016 at 02:11:01PM +0200, Peter Zijlstra wrote: > > How so? As the number of cores increases, it'll get proportionally > > more expensive as the same operation is performed on more CPUs; > > however, the latency is dependent on the slowest one and it'll get > > higher more often

Re: [PATCH] mm: memcontrol: fix cgroup creation failure after many small jobs

Hi Andrew, this issue dates back quite a bit and wasn't reported until now, so I didn't tag it for stable. However, it seems that larger scale setups are now running into this as they upgrade their kernels, and several people have run into this independently now. Could you please add:

Re: [PATCH 34/34] mm, vmstat: remove zone and node double accounting by approximating retries

On 07/08/2016 11:35 AM, Mel Gorman wrote: The number of LRU pages, dirty pages and writeback pages must be accounted for on both zones and nodes because of the reclaim retry logic, compaction retry logic and highmem calculations all depending on per-zone stats. Many lowmem allocations are

Re: [GIT PULL 3/4] arm64: dts: exynos: Minor fix for v4.8, last round

On Monday, July 11, 2016 6:41:17 PM CEST Krzysztof Kozlowski wrote: > Samsung DeviceTree changes for ARM64 for v4.8: > 1. Adjust the voltage of CPU buck regulator so scaling could work. > > Pulled into next/dt64, thanks! Arnd

Re: [PART2 PATCH v4 07/11] iommu/amd: Introduce amd_iommu_update_ga()

2016-07-14 16:33+0700, Suravee Suthikulpanit: > On 7/14/16 16:13, Suravee Suthikulpanit wrote: >> > >unsigned long flags; >> > > +struct amd_iommu *iommu; >> > > + >> > > +if (!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir)) >> > > +return 0; >> > > + >> > > +

Re: System freezes after OOM

On Thu, 14 Jul 2016, Michal Hocko wrote: > On Wed 13-07-16 11:02:15, Mikulas Patocka wrote: > > > diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c > > > index 4f3cb3554944..0b806810efab 100644 > > > --- a/drivers/md/dm-crypt.c > > > +++ b/drivers/md/dm-crypt.c > > > @@ -1392,11

Re: [Query] Preemption (hogging) of the work handler

On Thu 14-07-16 23:34:50, Sergey Senozhatsky wrote: > Hello Jan, > > On (07/14/16 16:12), Jan Kara wrote: > [..] > > > *** a printk() call from here will kill the system. either it will > > > recurse printk(), or spin forever in 'nested' printk() on one of > > > the already taken spin locks. >

Re: [PATCH v2 06/13] sched: Store maximum per-cpu capacity in root domain

On Thu, Jul 14, 2016 at 03:25:36PM +0200, Vincent Guittot wrote: > On 13 July 2016 at 18:37, Morten Rasmussen wrote: > > On Wed, Jul 13, 2016 at 02:48:24PM +0100, Dietmar Eggemann wrote: > >> On 13/07/16 13:40, Vincent Guittot wrote: > >> > On 22 June 2016 at 19:03,

Re: [PATCH 3/4] mm, page_alloc: fix dirtyable highmem calculation

On 07/13/2016 12:00 PM, Mel Gorman wrote: From: Minchan Kim Note from Mel: This may optionally be considered a fix to the mmotm patch mm-page_alloc-consider-dirtyable-memory-in-terms-of-nodes.patch but if so, please preserve credit for Minchan. When I

[PATCH 1/7 v3] drm/vc4: Add a getparam ioctl for getting the V3D identity regs.

As I extend the driver to support different V3D revisions, userspace needs to know what version it's targeting. This is most easily detected using the V3D identity registers. v2: Make sure V3D is runtime PM on when reading the registers. v3: Switch to a 64-bit param value (suggested by Rob Clark

Re: [PATCH net-next V3] net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)

On Thu, Jul 14, 2016 at 09:46:14AM +0300, Netanel Belgazal wrote: > This is a driver for the ENA family of networking devices. > > Signed-off-by: Netanel Belgazal > --- > > Notes: > Changes in v3: > - Fix compilation warning for 32bit systems. [kbuild test

Re: [PATCH] usb: ehci-platform: use helper variables in probe function

On 14 July 2016 at 16:11, Alan Stern wrote: > On Wed, 13 Jul 2016, Rafał Miłecki wrote: > >> Probing function was using >dev and dev->dev.of_node over 20 times >> so I believe it made sense to use helper variables for both of them. >> To avoid some uncommon variable

[PATCH] powernv: Use __printf in pe_level_printk

Make the compiler detect format and argument mismatches. Signed-off-by: Joe Perches --- arch/powerpc/platforms/powernv/pci.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 3a97990..1c1a586

[PATCH] mmc: dwmmc: exynos: Warn if HS400 is being used on non-Exynos5420 chipset

Chipsets before Exynos5420 did not support HS400 so if MMC core tries to configure HS400 timing, this might or might not work. Warn in such cases because this is DTB misconfiguration. Signed-off-by: Krzysztof Kozlowski --- drivers/mmc/host/dw_mmc-exynos.c | 6 +- 1

Re: bug in memcg oom-killer results in a hung syscall in another process in the same cgroup

On 07/12, Shayan Pooya wrote: > > > Yep. Bug still not fixed in upstream. In our kernel I've plugged it with > > this: > > > > --- a/kernel/sched/core.c > > +++ b/kernel/sched/core.c > > @@ -2808,8 +2808,9 @@ asmlinkage __visible void schedule_tail(struct > > task_struct *prev) > >

Re: [PATCH v4 5/5] dma-buf/sync_file: only enable fence signalling on poll()

On 12/07/2016 19:08, Gustavo Padovan wrote: ... +++ b/include/linux/sync_file.h @@ -28,6 +28,7 @@ * @name: name of sync_file. Useful for debugging * @sync_file_list: membership in global file list * @wq: wait queue for fence signaling + * @enabled:

Re: [PATCH RFCv1 0/1] Update struct spi_transfer to specify 8x bit transfers

On Wed, Jul 13, 2016 at 01:34:36PM -0600, Girish Mahadevan wrote: > We’re working on a driver for a Quad SPI controller [using up to 4 data > lines] which can use dual-data-sampling to implement 8-bit transfers. To > allow a slave driver to specify the 8-bit transfer we'd like to make this >

Re: [PATCH v7 7/9] acpi/arm64: Add memory-mapped timer support in GTDT driver

On Thu, Jul 14, 2016 at 01:53:20AM +0800, fu@linaro.org wrote: > From: Fu Wei > > This driver adds support for parsing memory-mapped timer in GTDT: > provide a kernel APIs to parse GT Block Structure in GTDT, > export all the info by filling the struct which provided > by

Re: [PART2 PATCH v4 10/11] svm: Introduce AMD IOMMU avic_ga_log_notifier

2016-07-14 16:43+0700, Suravee Suthikulpanit: > On 7/13/16 21:29, Radim Krčmář wrote: >> 2016-07-13 08:20-0500, Suravee Suthikulpanit: >> > >diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c >> > >+ hash_for_each_possible(svm_vm_data_hash, ka, hnode, vm_id) { >> > >+ struct kvm *kvm =

Re: [v5 PATCH 5/5] drm/rockchip: cdn-dp: add cdn DP support for rk3399

On Wed, Jul 13, 2016 at 8:08 PM, Chris Zhong wrote: > Hi Sean > > Thanks for your detailed review. I'm working to modify most of code > according to comment. > And there is reply for some comment > > On 07/13/2016 09:59 PM, Sean Paul wrote: >> >> On Tue, Jul 12, 2016 at 8:09

Re: [Query] Preemption (hogging) of the work handler

On Thu 14-07-16 16:33:38, Rafael J. Wysocki wrote: > On Thursday, July 14, 2016 04:12:16 PM Jan Kara wrote: > > On Wed 13-07-16 14:45:07, Sergey Senozhatsky wrote: > > > Cc Petr Mladek. > > > > > > On (07/12/16 16:19), Viresh Kumar wrote: > > > [..] > > > > Okay, we have tracked this BUG and its

Re: [PATCH v4 1/4] drm/rockchip: vop: export line flag function

On Thu, Jul 14, 2016 at 12:15:44PM +0800, Yakir Yang wrote: > VOP have integrated a hardware counter which indicate the exact display > line that vop is scanning. And if we're interested in a specific line, > we can set the line number to vop line_flag register, and then vop would > generate a

Re: [Query] Preemption (hogging) of the work handler

On Thu 14-07-16 16:47:11, Rafael J. Wysocki wrote: > On Thursday, July 14, 2016 04:39:39 PM Jan Kara wrote: > > On Thu 14-07-16 16:33:38, Rafael J. Wysocki wrote: > > > On Thursday, July 14, 2016 04:12:16 PM Jan Kara wrote: > > > > On Wed 13-07-16 14:45:07, Sergey Senozhatsky wrote: > > > > > Cc

[PATCH] [media] vb2: include length in dmabuf qbuf debug message

If the the VIDIOC_QBUF ioctl fails due a wrong dmabuf length, it's useful to get the invalid length as a debug information. Before this patch: vb2-core: __qbuf_dmabuf: invalid dmabuf length for plane 1 After this patch: vb2-core: __qbuf_dmabuf: invalid dmabuf length 221248 for plane 1

Re: Severe performance regression w/ 4.4+ on Android due to cgroup locking changes

On Thu, Jul 14, 2016 at 11:07:15AM -0400, Tejun Heo wrote: > On Thu, Jul 14, 2016 at 02:20:49PM +0200, Peter Zijlstra wrote: > > > If that's the case, we have the wrong implemention > > > for percpu-rwsem where very long delays for writers induce the same > > > level of delays to all readers. If

Re: System freezes after OOM

On 07/14/2016 02:51 PM, Michal Hocko wrote: On Wed 13-07-16 11:02:15, Mikulas Patocka wrote: On Wed, 13 Jul 2016, Michal Hocko wrote: [...] We are discussing several topics together so let's focus on this particlar thing for now The kernel 4.7-rc almost deadlocks in another way. The machine

[PATCH net-next] rxrpc: checking for IS_ERR() instead of NULL

From: Dan Carpenter The rxrpc_lookup_peer() function returns NULL on error, it never returns error pointers. Fixes: 8496af50eb38 ('rxrpc: Use RCU to access a peer's service connection tree') Signed-off-by: Dan Carpenter Signed-off-by: David

[PATCH v4 1/2] arch, x86, tsc deadline clockevent dev: eliminate frequency roundoff error

In setup_APIC_timer(), the registered clockevent device's frequency is calculated by first dividing tsc_khz by TSC_DIVISOR and multiplying it with 1000 afterwards: (tsc_khz / TSC_DIVISOR) * 1000 The multiplication with 1000 is done for converting from kHz to Hz and the division by TSC_DIVISOR

[PATCH v4 2/2] arch, x86, tsc: inform TSC deadline clockevent device about recalibration

The TSC deadline clockevent devices' configuration and registration happens before the TSC frequency calibration is refined in tsc_refine_calibration_work(). This results in the TSC clocksource and the TSC deadline clockevent devices being configured with slightly different frequencies: the

Re: [PATCH v4 3/4] drm/bridge: analogix_dp: add the PSR function support

On Thu, Jul 14, 2016 at 12:15:53PM +0800, Yakir Yang wrote: > The full name of PSR is Panel Self Refresh, panel device could refresh > itself with the hardware framebuffer in panel, this would make lots of > sense to save the power consumption. > > This patch have exported two symbols for

[PATCH v4 0/2] reduce TSC deadline frequency errors

The v3 series can be found at http://lkml.kernel.org/g/20160713130344.8319-1-nicsta...@gmail.com Applicable to linux-next-20160708 (in case you wonder why I turned back from the 20160712 given in v3 to 20160708 again: mysteriously, 20160712 doesn't boot neither w/ nor w/o this series anymore).

Re: [PATCH V1] regulator: da9210: addition of device tree support

On Wed, Jul 13, 2016 at 04:41:19PM +0100, Steve Twiss wrote: > Two files are modified, the driver source file and the binding document. > Updates for the regulator source file include an .of_match_table entry, node > match checking in the probe() function for a compatible da9210 string, and > a

Re: [PATCH 0/2 v3] Add pl031 RTC support for Hi6220

On Tuesday, July 12, 2016 11:18:39 AM CEST Michael Turquette wrote: > Quoting Arnd Bergmann (2016-07-12 01:51:36) > > On Monday, July 11, 2016 3:00:13 PM CEST Michael Turquette wrote: > > > Quoting Arnd Bergmann (2016-07-11 13:21:17) > > > > On Thursday, July 7, 2016 7:10:30 PM CEST Michael

RE: [PATCH v3 5/8] thunderbolt: Communication with the ICM (firmware)

Hi Tomas, Thanks for your comments. On Thu, Jul 14 2016, 03:44 PM, Winkler, Tomas wrote: > > +/* NHI genetlink commands */ > > +enum { > > + NHI_CMD_UNSPEC, > > + NHI_CMD_SUBSCRIBE, > > + NHI_CMD_UNSUBSCRIBE, > > + NHI_CMD_QUERY_INFORMATION, > > + NHI_CMD_MSG_TO_ICM, > > +

Re: [PATCH 4/4] x86: use pte_none() to test for empty PTE

On 14/07/16 15:24, Dave Hansen wrote: > On 07/14/2016 06:47 AM, Vlastimil Babka wrote: >> So, this might be just because I know next to nothing about (para)virt, >> but... >> >> in arch/x86/include/asm/paravirt.h, pte_val is implemented via some >> pvops, which suggests that obtaining a pte value

[ANNOUNCE] 3.18.36-rt38

Dear RT Folks, I'm pleased to announce the 3.18.36-rt38 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v3.18-rt Head SHA1: cf3a38958bb4b88e877e89b7e323d1f26cd35b46 Or to build 3.18.36-rt38

[ANNOUNCE] 4.1.27-rt31

Dear RT Folks, I'm pleased to announce the 4.1.27-rt31 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v4.1-rt Head SHA1: 19f31cf0a5e2c6c52d7b0ca781121d774a103041 Or to build 4.1.27-rt31

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