Re: [PATCH tip/core/rcu 6/9] nohz_full: Add full-system idle states and variables

2013-08-18 Thread Paul E. McKenney
On Sun, Aug 18, 2013 at 07:49:14PM -0700, Josh Triplett wrote: On Sun, Aug 18, 2013 at 06:39:25PM -0700, Paul E. McKenney wrote: On Sat, Aug 17, 2013 at 08:09:21PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 06:49:41PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney

Re: [Help Test] kdump, x86, acpi: Reproduce CPU0 SMI corruption issue after unsetting BSP flag

2013-08-18 Thread Eric W. Biederman
Sorry Eric, I'm not clear to what you mean by ``short one core''... Which are you suggesting? Disabling BSP if crash happens on AP is reasonable? Or restricting cpus to a single one only just as the current kdump configuration is reasonable? I am suggesting we start every cpu except the BSP

Re: [PATCH 13/34] cpufreq: exynos5440: set CPUFREQ_NO_NOTIFICATION flag

2013-08-18 Thread amit daniel kachhap
On Sun, Aug 18, 2013 at 4:24 PM, amit daniel kachhap amit.dan...@samsung.com wrote: On Fri, Aug 16, 2013 at 7:55 AM, Viresh Kumar viresh.ku...@linaro.org wrote: Most of the drivers do following in their -target_index() routines: struct cpufreq_freqs freqs; freqs.old = old

Re: cgroup/next tree: reference to uninitialized percpu ref

2013-08-18 Thread Li Zefan
On 2013/8/19 11:32, Ming Lei wrote: Hi, The kernel oops[1] is triggered during kernel boot with the latest next tree(3.11.0-rc5-next-20130816), looks it is caused by reference to uninitialized percpu ref of root cgroup, and below patch can fix the problem: Thanks for the report. Li

Re: [PATCH tip/core/rcu 1/5] rcu: Add duplicate-callback tests to rcutorture

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 07:54:20PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 07:25:13PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com This commit adds a object_debug option to rcutorture to allow the debug-object-based checks for duplicate

Re: [PATCH v6 0/5] zram/zsmalloc promotion

2013-08-18 Thread Bob Liu
Hi Minchan, On 08/19/2013 11:18 AM, Minchan Kim wrote: Hello Mel, On Fri, Aug 16, 2013 at 09:33:47AM +0100, Mel Gorman wrote: On Fri, Aug 16, 2013 at 01:26:41PM +0900, Minchan Kim wrote: SNIP If it's used for something like tmpfs then it becomes much worse. Normal tmpfs without swap can

Re: [PATCH tip/core/rcu 3/5] rcu: Sort rcutorture module parameters

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 07:57:40PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 07:25:15PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com There are getting to be too many module parameters to permit the current semi-random order, so this patch

Re: [PATCH tip/core/rcu 5/5] rcu: Make rcutorture emit online failures if verbose

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 07:59:05PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 07:25:17PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com Although rcutorture counts CPU-hotplug online failures, it does not explicitly record which CPUs were having

linux-next: manual merge of the tip tree with the pm tree

2013-08-18 Thread Stephen Rothwell
Hi all, Today's linux-next merge of the tip tree got a conflict in arch/x86/include/asm/processor.h between commit 61c63e5ed3b9 (cpufreq: Remove unused APERF/MPERF support) from the pm tree and commit 96e39ac0e9d1 (x86: Introduce hypervisor_cpuid_base()) from the tip tree. I fixed it up (see

Re: [PATCH tip/core/rcu 2/3] rcu: Update RTFP documentation

2013-08-18 Thread Paul E. McKenney
On Sun, Aug 18, 2013 at 05:38:51PM -0700, Josh Triplett wrote: On Sun, Aug 18, 2013 at 05:20:02PM -0700, Paul E. McKenney wrote: On Sat, Aug 17, 2013 at 07:46:30PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 06:25:52PM -0700, Paul E. McKenney wrote: +In 2012, Josh Triplett

[PATCH] [trivial]treewide: Fix typo in printk

2013-08-18 Thread Masanari Iida
Correct spelling typo in printk. Signed-off-by: Masanari Iida standby2...@gmail.com --- drivers/gpu/drm/exynos/exynos_drm_fimc.c | 2 +- drivers/gpu/drm/exynos/exynos_drm_gsc.c | 4 ++-- drivers/infiniband/ulp/isert/Kconfig | 2 +- drivers/media/i2c/Kconfig| 2 +-

Re: [PATCH 0/4] mm: merge zram into zswap

2013-08-18 Thread Minchan Kim
On Sun, Aug 18, 2013 at 04:40:45PM +0800, Bob Liu wrote: Both zswap and zram are used to compress anon pages in memory so as to reduce swap io operation. The main different is that zswap uses zbud as its allocator while zram uses zsmalloc. The other different is zram will create a block

Re: BUG: scheduling while atomic 3.10.7 in ZRAM Swap

2013-08-18 Thread Michael wang
Hi, Mitch On 08/17/2013 10:01 PM, Mitch Harder wrote: I'm encountering a BUG while using a ZRAM Swap device. The call trace seems to involve the changes recently added to 3.10.6 by the patch: zram: use zram-lock to protect zram_free_page() in swap free notify path The hardware is a x86

Re: [PATCH tip/core/rcu 11/11] jiffies: Avoid undefined behavior from signed overflow

2013-08-18 Thread Paul E. McKenney
On Sun, Aug 18, 2013 at 06:20:32PM -0700, Josh Triplett wrote: On Sun, Aug 18, 2013 at 05:41:20PM -0700, Paul E. McKenney wrote: On Sat, Aug 17, 2013 at 08:23:51PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 06:37:56PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney

Re: [PATCH tip/core/rcu 1/5] rcu: Add duplicate-callback tests to rcutorture

2013-08-18 Thread Josh Triplett
On Sun, Aug 18, 2013 at 08:55:28PM -0700, Paul E. McKenney wrote: On Sat, Aug 17, 2013 at 07:54:20PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 07:25:13PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com This commit adds a object_debug option

Re: [PATCH 5/6] sched, fair: Make group power more consitent

2013-08-18 Thread Preeti U Murthy
Hi Peter, On 08/16/2013 03:42 PM, Peter Zijlstra wrote: I have a few comments and clarification to seek. 1. How are you ensuring from this patch that sgs-group_power does not change over the course of load balancing? The only path to update_group_power() where sg-sgp-power gets updated, is

[git pull] drm fixes

2013-08-18 Thread Dave Airlie
Hi Linus, bit late with these, was under the weather for a a few days, nothing too crazy, some radeon regression fixes, one intel regression fix, and one fix to avoid a warn with i915 when used with dma-buf. Dave. The following changes since commit d4e4ab86bcba5a72779c43dc1459f71fea3d89c8:

linux-next: build warning after merge of the tip tree

2013-08-18 Thread Stephen Rothwell
Hi all, After merging the tip tree, today's linux-next build (x86_64 allmodconfig) produced this warning: arch/x86/kernel/paravirt.c:66:0: warning: DEF_NATIVE redefined [enabled by default] #define DEF_NATIVE(ops, name, code) \ ^ In file included from arch/x86/include/asm/ptrace.h:65:0,

Re: [PATCH 0/4] mm: merge zram into zswap

2013-08-18 Thread Bob Liu
Hi Minchan, On 08/19/2013 12:10 PM, Minchan Kim wrote: On Sun, Aug 18, 2013 at 04:40:45PM +0800, Bob Liu wrote: Both zswap and zram are used to compress anon pages in memory so as to reduce swap io operation. The main different is that zswap uses zbud as its allocator while zram uses

Re: [PATCH v6 0/5] zram/zsmalloc promotion

2013-08-18 Thread Minchan Kim
Hello Bob, Sorry for the late response. I was on holiday. On Mon, Aug 19, 2013 at 11:57:41AM +0800, Bob Liu wrote: Hi Minchan, On 08/19/2013 11:18 AM, Minchan Kim wrote: Hello Mel, On Fri, Aug 16, 2013 at 09:33:47AM +0100, Mel Gorman wrote: On Fri, Aug 16, 2013 at 01:26:41PM +0900,

Re: [PATCH 13/34] cpufreq: exynos5440: set CPUFREQ_NO_NOTIFICATION flag

2013-08-18 Thread Viresh Kumar
On 19 August 2013 09:12, amit daniel kachhap amit.dan...@samsung.com wrote: + .flags = CPUFREQ_STICKY | CPUFREQ_NO_NOTIFICATION, How about naming the flag as CPUFREQ_ASYNC_NOTIFICATION? For platforms not defining this flag, the notifiers can be called synchronously from the core

Re: BUG: scheduling while atomic 3.10.7 in ZRAM Swap

2013-08-18 Thread Minchan Kim
Hello, On Mon, Aug 19, 2013 at 12:13:02PM +0800, Michael wang wrote: Hi, Mitch On 08/17/2013 10:01 PM, Mitch Harder wrote: I'm encountering a BUG while using a ZRAM Swap device. The call trace seems to involve the changes recently added to 3.10.6 by the patch: zram: use zram-lock

Re: [PATCH V2 5/6] cpuidle/powerpc: Backend-powerpc idle driver for powernv and pseries.

2013-08-18 Thread Deepthi Dharwar
On 08/07/2013 05:11 AM, Scott Wood wrote: On Wed, 2013-08-07 at 09:30 +1000, Benjamin Herrenschmidt wrote: On Tue, 2013-08-06 at 18:08 -0500, Scott Wood wrote: Here's another example. get_lppaca() will only build on book3s -- and yet we get requests for e500 code to use this file. Indeed,

Re: [patch] PM / devfreq: create_freezable_workqueue() doesn't return an ERR_PTR

2013-08-18 Thread MyungJoo Ham
On Thu, Aug 15, 2013 at 4:55 PM, Dan Carpenter dan.carpen...@oracle.com wrote: The create_freezable_workqueue() function returns a NULL on error and not an ERR_PTR. Signed-off-by: Dan Carpenter dan.carpen...@oracle.com Thanks. I'll apply this. Signed-off-by: MyungJoo Ham

[PATCH] documentations: treewide: Fix typo in Documentations/filesystems

2013-08-18 Thread Masanari Iida
Correct spelling typo in Documentations/filesystems. Signed-off-by: Masanari Iida standby2...@gmail.com --- Documentation/filesystems/btrfs.txt | 2 +- Documentation/filesystems/f2fs.txt | 2 +- Documentation/filesystems/nfs/Exporting | 2 +- Documentation/filesystems/qnx6.txt | 2

3.11-rc6 genetlink locking fix offends lockdep

2013-08-18 Thread Hugh Dickins
3.11-rc6's commit 58ad436fcf49 (genetlink: fix family dump race) gives me the lockdep trace below at startup. I think it needs to be reverted until you can refine it. And it has already gone into today's stable review series, as 04/12 for 3.0.92, 26/34 for 3.4.59, 18/45 for 3.10.8: I raise an

Re: [PATCH v2] extcon: palmas: Modified the compatible type to *ti,palmas-usb-vid*

2013-08-18 Thread Kishon Vijay Abraham I
Hi, On Saturday 17 August 2013 03:51 AM, Stephen Warren wrote: On 08/16/2013 04:20 AM, Kishon Vijay Abraham I wrote: The Palmas device contains only a USB VID detector, so modified the compatible type to *ti,palmas-usb-vid*. diff --git

[PATCH] rtc: rtc-nuc900: use NULL instead of 0

2013-08-18 Thread Jingoo Han
check_rtc_access_enable() returns pointer, thus NULL should be used instead of 0 in order to fix the following sparse warning: drivers/rtc/rtc-nuc900.c:102:16: warning: Using plain integer as NULL pointer Signed-off-by: Jingoo Han jg1@samsung.com --- drivers/rtc/rtc-nuc900.c |2 +- 1

Re: [PATCH 01/15] drivers: phy: add generic PHY framework

2013-08-18 Thread Kishon Vijay Abraham I
Felipe, ping.. On Wednesday 14 August 2013 08:35 PM, Kishon Vijay Abraham I wrote: Hi, On Wednesday 14 August 2013 04:34 AM, Tomasz Figa wrote: On Wednesday 14 of August 2013 00:19:28 Sylwester Nawrocki wrote: W dniu 2013-08-13 14:05, Kishon Vijay Abraham I pisze: On Tuesday 13 August

Re: [PATCH v6 0/5] zram/zsmalloc promotion

2013-08-18 Thread Luigi Semenzato
On Sun, Aug 18, 2013 at 9:37 PM, Minchan Kim minc...@kernel.org wrote: Hello Bob, Sorry for the late response. I was on holiday. On Mon, Aug 19, 2013 at 11:57:41AM +0800, Bob Liu wrote: Hi Minchan, On 08/19/2013 11:18 AM, Minchan Kim wrote: Hello Mel, On Fri, Aug 16, 2013 at

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Re: [PATCH v2 2/4] dmaengine: add driver for Samsung s3c24xx SoCs

2013-08-18 Thread Vinod Koul
On Wed, Aug 14, 2013 at 02:00:25PM +0200, Heiko Stübner wrote: This adds a new driver to support the s3c24xx dma using the dmaengine and makes the old one in mach-s3c24xx obsolete in the long run. Conceptually the s3c24xx-dma feels like a distant relative of the pl08x with numerous virtual

Re: [BUG REPORT] ZSWAP: theoretical race condition issues

2013-08-18 Thread Minchan Kim
On Mon, Aug 19, 2013 at 10:17:38AM +0800, Bob Liu wrote: Hi Weijie, On 08/19/2013 12:14 AM, Weijie Yang wrote: I found a few bugs in zswap when I review Linux-3.11-rc5, and I have also some questions about it, described as following: BUG: 1. A race condition when reclaim a page

Re: [PATCH] dmaengine: make dmatest less noisy

2013-08-18 Thread Vinod Koul
On Sat, Aug 17, 2013 at 12:42:40PM +0200, Linus Walleij wrote: Commit 95019c8c5 dmatest: gather test results in the linked list started to warning whenever we add results to a test thread. A warning for something completely normal? This is just cluttering my terminal. Get rid of this. Cc:

Re: [edk2] Corrupted EFI region

2013-08-18 Thread Jordan Justen
0001-OvmfPkg-allocate-the-EFI-memory-map-for-Linux-as-Loa.patch was applied in r14555. Thanks for the contribution. And thanks for the bug report testing Boris. On Wed, Aug 7, 2013 at 10:49 AM, Laszlo Ersek ler...@redhat.com wrote: On 08/07/13 17:19, Borislav Petkov wrote: On Tue, Aug 06,

Re: Large pastes into readline enabled programs causes breakage from v2.6.31 onwards

2013-08-18 Thread Geert Uytterhoeven
On Sun, Aug 18, 2013 at 12:57 AM, Margarita Manterola margamanter...@gmail.com wrote: There were no replies to the previous mail asking for comments, and as far as I can see this has not been applied. I don't know who rjw is, could you be a bit more explicit, please? git grep rjw MAINTAINERS

[PATCH 1/8] sched: change load balance number to h_nr_running of run queue

2013-08-18 Thread Lei Wen
Since rq-nr_running would include both migration and rt task, it is not reasonable to seek to move nr_running number of task in the load_balance function, since it only apply to cfs type. Change it to cfs's h_nr_running, which could well present the task number in current cfs queue.

Re: Kernel summit 2013: Call for Hobbyists

2013-08-18 Thread Geert Uytterhoeven
On Fri, Aug 16, 2013 at 11:02 PM, Francois Romieu rom...@fr.zoreil.com wrote: As a hobbyist, I have less time than most pro and must cope with whatever brain juice remains after the paid work. It doesn't make me Indeed. And the dosing of brain juice is not always aligned with the steady pace of

[PATCH 4/8] sched: change pick_next_task_fair to h_nr_running

2013-08-18 Thread Lei Wen
Since pick_next_task_fair only want to ensure there is some task in the run queue to be picked up, it should use the h_nr_running instead of nr_running, since nr_running cannot present all tasks if group existed. Signed-off-by: Lei Wen lei...@marvell.com --- kernel/sched/fair.c |2 +- 1

[PATCH 2/8] sched: change cpu_avg_load_per_task using h_nr_running

2013-08-18 Thread Lei Wen
Since cpu_avg_load_per_task is used only by cfs scheduler, its meaning should present the average cfs type task load in the current run queue. Thus we change it to h_nr_running for well presenting its meaning. Signed-off-by: Lei Wen lei...@marvell.com --- kernel/sched/fair.c |2 +- 1 files

[PATCH 3/8] sched: change update_rq_runnable_avg using h_nr_running

2013-08-18 Thread Lei Wen
Since update_rq_runnable_avg is used only by cfs scheduler, it should not consider the task beyond the cfs type. If one cfs task is running with one rt task, the only cfs task should be no aware of the existence of rt task, and behavior like one cfs task occasionly throttled by some bandwidth

[PATCH 5/8] sched: change update_sg_lb_stats to h_nr_running

2013-08-18 Thread Lei Wen
Since update_sg_lb_stats is used to calculate sched_group load difference of cfs type task, it should use h_nr_running instead of nr_running of rq. Signed-off-by: Lei Wen lei...@marvell.com --- kernel/sched/fair.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git

[PATCH 6/8] sched: change find_busiest_queue to h_nr_running

2013-08-18 Thread Lei Wen
Since find_busiest_queue try to avoid do load balance for runqueue which has only one cfs task and its load is above the imbalance value calculated, we should use h_nr_running of cfs instead of nr_running of rq. Signed-off-by: Lei Wen lei...@marvell.com --- kernel/sched/fair.c |3 ++- 1

[PATCH 7/8] sched: change active_load_balance_cpu_stop to use h_nr_running

2013-08-18 Thread Lei Wen
We should only avoid do the active load balance when there is no cfs type task. If just use rq-nr_running, it is possible for the source cpu has multiple rt task, while zero cfs task, so that it would confuse the active load balance function that try to move, but find no task it could move.

[PATCH 8/8] sched: document the difference between nr_running and h_nr_running

2013-08-18 Thread Lei Wen
Signed-off-by: Lei Wen lei...@marvell.com --- kernel/sched/sched.h |6 ++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index ef0a7b2..b8f0924 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -248,6 +248,12 @@

[PATCH 0/8] sched: fixes for the nr_running usage

2013-08-18 Thread Lei Wen
Since it is different for the nr_running and h_nr_running in its presenting meaning, we should take care of their usage in the scheduler. Lei Wen (8): sched: change load balance number to h_nr_running of run queue sched: change cpu_avg_load_per_task using h_nr_running sched: change

Re: Build regressions/improvements in v3.11-rc2

2013-08-18 Thread Geert Uytterhoeven
On Sat, Jul 27, 2013 at 3:29 PM, Yann E. MORIN yann.morin.1...@free.fr wrote: Sorry to chime in a bit late... On 2013-07-23 22:20 +0200, Geert Uytterhoeven spake thusly: On Tue, 23 Jul 2013, Geert Uytterhoeven wrote: JFYI, when comparing v3.11-rc2 to v3.11-rc1[3], the summaries are: -

Re: [PATCH v3 2/5] ARM: tegra: add support for Trusted Foundations

2013-08-18 Thread Alexandre Courbot
On Thu, Aug 15, 2013 at 6:38 AM, Stephen Warren swar...@wwwdotorg.org wrote: On 08/12/2013 08:29 PM, Alexandre Courbot wrote: Register the firmware operations for Trusted Foundations if the device tree indicates it is active on the device. diff --git a/arch/arm/mach-tegra/firmware.c

Re: [PATCH v3 1/5] ARM: add basic Trusted Foundations support

2013-08-18 Thread Alexandre Courbot
On Thu, Aug 15, 2013 at 8:52 PM, Dave Martin dave.mar...@arm.com wrote: On Tue, Aug 13, 2013 at 11:29:48AM +0900, Alexandre Courbot wrote: Trusted Foundations is a TrustZone-based secure monitor for ARM that can be invoked using a consistent smc-based API on all supported platforms. This

Re: [PATCH v3 4/5] ARM: tegra: set CPU reset handler with firmware op

2013-08-18 Thread Alexandre Courbot
On Thu, Aug 15, 2013 at 6:40 AM, Stephen Warren swar...@wwwdotorg.org wrote: On 08/12/2013 08:29 PM, Alexandre Courbot wrote: Use a firmware operation to set the CPU reset handler and only resort to doing it ourselves if there is none defined. This supports the booting of secondary CPUs on

Re: [PATCH v3 1/5] ARM: add basic Trusted Foundations support

2013-08-18 Thread Alexandre Courbot
On Thu, Aug 15, 2013 at 6:35 AM, Stephen Warren swar...@wwwdotorg.org wrote: On 08/12/2013 08:29 PM, Alexandre Courbot wrote: Trusted Foundations is a TrustZone-based secure monitor for ARM that can be invoked using a consistent smc-based API on all supported platforms. This patch adds

Re: [PATCH v3 1/5] ARM: add basic Trusted Foundations support

2013-08-18 Thread Alexandre Courbot
On Fri, Aug 16, 2013 at 10:23 PM, Dave Martin dave.mar...@arm.com wrote: On Thu, Aug 15, 2013 at 04:02:52PM -0600, Stephen Warren wrote: On 08/15/2013 05:52 AM, Dave Martin wrote: On Tue, Aug 13, 2013 at 11:29:48AM +0900, Alexandre Courbot wrote: Trusted Foundations is a TrustZone-based

[PATCH 0/4] mm: merge zram into zswap

2013-08-18 Thread Bob Liu
Both zswap and zram are used to compress anon pages in memory so as to reduce swap io operation. The main different is that zswap uses zbud as its allocator while zram uses zsmalloc. The other different is zram will create a block device, the user need to mkswp and swapon it. Minchan has areadly

[PATCH 2/4] mm: promote zsmalloc to mm/

2013-08-18 Thread Bob Liu
zsmalloc is a new slab-based memory allocator for storing compressed pages. It is designed for low fragmentation and high allocation success rate on large object, but = PAGE_SIZE allocations. zsmalloc differs from the kernel slab allocator in two primary ways to achieve these design goals.

[PATCH 4/4] mm: zswap: create a pseudo device /dev/zram0

2013-08-18 Thread Bob Liu
This is used to replace previous zram. zram users can enable this feature, then a pseudo device will be created automaticlly after kernel boot. Just using mkswp /dev/zram0; swapon /dev/zram0 to use it as a swap disk. The size of this pseudeo is controlled by zswap boot parameter

[PATCH 3/4] mm: zswap: add supporting for zsmalloc

2013-08-18 Thread Bob Liu
Make zswap can use zsmalloc as its allocater. But note that zsmalloc don't reclaim any zswap pool pages mandatory, if zswap pool gets full, frontswap_store will be refused unless frontswap_get happened and freed some space. The reason of don't implement reclaiming zsmalloc pages from zswap pool

Re: [PATCHv3 linux-next] hrtimer: Add notifier when clock_was_set was called

2013-08-18 Thread Thomas Gleixner
On Wed, 14 Aug 2013, Fan Du wrote: From e3929d4fdfad5b40fd8cad0e217597670d1aef54 Mon Sep 17 00:00:00 2001 From: Fan Du fan...@windriver.com Date: Wed, 14 Aug 2013 16:39:23 +0800 Subject: [PATCHv3 linux-next] hrtimer: Add notifier when clock_was_set was called When clock_was_set is called

Re: false nr_running check in load balance?

2013-08-18 Thread Lei Wen
Paul, On Tue, Aug 13, 2013 at 5:25 PM, Paul Turner p...@google.com wrote: On Tue, Aug 13, 2013 at 1:18 AM, Lei Wen adrian.w...@gmail.com wrote: Hi Paul, On Tue, Aug 13, 2013 at 4:08 PM, Paul Turner p...@google.com wrote: On Tue, Aug 13, 2013 at 12:38 AM, Peter Zijlstra pet...@infradead.org

Re: [PATCH tip/core/rcu 01/11] rcu: Expedite grace periods during suspend/resume

2013-08-18 Thread Borislav Petkov
On Sat, Aug 17, 2013 at 08:17:17PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 06:37:46PM -0700, Paul E. McKenney wrote: From: Borislav Petkov b...@alien8.de CONFIG_RCU_FAST_NO_HZ can increase grace-period durations by up to a factor of four, which can result in long suspend and

[PATCH] pch_gbe: ethtool cannot change parameters when link is down

2013-08-18 Thread Anders Larsen
When attempting to change e.g. the advertising mask when the link is down ecmd-speed is -1 causing mii_ethtool_sset() to bail out. This bug bit when connecting to a gigabit switch through a 4-pin (industrial) cable, since link negotiation would not complete (both endpoints claimed to be

Re: [PATCH 03/44] cpufreq: exynos: call cpufreq_frequency_table_put_attr()

2013-08-18 Thread amit daniel kachhap
On Sat, Aug 10, 2013 at 12:13 PM, Viresh Kumar viresh.ku...@linaro.org wrote: Drivers which have an exit path must call cpufreq_frequency_table_put_attr() if they have called cpufreq_frequency_table_get_attr() in their init path. This driver was missing this part and is fixed with this

Re: [PATCH 19/44] cpufreq: exynos: Use generic cpufreq routines

2013-08-18 Thread amit daniel kachhap
On Sat, Aug 10, 2013 at 12:14 PM, Viresh Kumar viresh.ku...@linaro.org wrote: Most of the CPUFreq drivers do similar things in .exit() and .verify() routines and .attr. So its better if we have generic routines for them which can be used by cpufreq drivers then. This patch uses these

Re: [PATCH] x86, apic: Enable x2APIC physical when cpu 256 native

2013-08-18 Thread Borislav Petkov
On Sat, Aug 17, 2013 at 09:26:43AM -0700, Joe Perches wrote: ... unless there's a way to detect new submissions and scream only for those. I.e., look at lines starting with + which don't have corresponding - lines. No, that's not the right way to do that. That bit's relatively easy

[PATCH] genirq: Correct fuzzy and fragile IRQ_RETVAL() definition

2013-08-18 Thread Geert Uytterhoeven
commit bedd30d986a05e32dc3eab874e4b9ed8a38058bb (genirq: make irqreturn_t an enum) blindly replaced 0 by IRQ_NONE in the IRQ_RETVAL(x) macro definition. However, as x is a condition, 0 meant boolean false, not an irqreturn_t value. All of this worked, and kept working after the addition of

Re: [PATCH V2 01/35] cpufreq: Implement light weight -target_index() routine

2013-08-18 Thread amit daniel kachhap
Hi Viresh, On Tue, Aug 13, 2013 at 7:02 PM, Viresh Kumar viresh.ku...@linaro.org wrote: Currently prototype of cpufreq_drivers target routines is: int target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation); And most of the drivers call

Re: [PATCH 13/37] cpufreq: exynos: don't initialize part of policy that is set by core too

2013-08-18 Thread amit daniel kachhap
On Wed, Aug 14, 2013 at 7:02 PM, Viresh Kumar viresh.ku...@linaro.org wrote: Many common initializations of struct policy are moved to core now and hence this driver doesn't need to do it. This patch removes such code. Most recent of those changes is to call -get() in the core after calling

Re: [PATCH 13/34] cpufreq: exynos5440: set CPUFREQ_NO_NOTIFICATION flag

2013-08-18 Thread amit daniel kachhap
On Fri, Aug 16, 2013 at 7:55 AM, Viresh Kumar viresh.ku...@linaro.org wrote: Most of the drivers do following in their -target_index() routines: struct cpufreq_freqs freqs; freqs.old = old freq... freqs.new = new freq... cpufreq_notify_transition(policy,

[PATCH -resend] drm: DRM should depend on HAS_DMA

2013-08-18 Thread Geert Uytterhoeven
If NO_DMA=y: drivers/built-in.o: In function `__drm_pci_free': drivers/gpu/drm/drm_pci.c:112: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `drm_pci_alloc': drivers/gpu/drm/drm_pci.c:72: undefined reference to `dma_alloc_coherent' drivers/built-in.o: In function

[PATCH v2] of_net.h: Make of_get_phy_mode() return int i.s.o. const int

2013-08-18 Thread Geert Uytterhoeven
include/linux/of_net.h:16: warning: type qualifiers ignored on function return type Signed-off-by: Geert Uytterhoeven ge...@linux-m68k.org --- v2: update the actual function in drivers/of/of_net.c. drivers/of/of_net.c|2 +- include/linux/of_net.h |4 ++-- 2 files changed, 3

[PATCH RESEND] mtd: MTD_NAND_DENALI should depend on HAS_DMA

2013-08-18 Thread Geert Uytterhoeven
If NO_DMA=y: drivers/built-in.o: In function `denali_remove': drivers/mtd/nand/denali.c:1605: undefined reference to `dma_unmap_single' drivers/built-in.o: In function `denali_read_page_raw': drivers/mtd/nand/denali.c:1190: undefined reference to `dma_sync_single_for_cpu' drivers/built-in.o: In

[GIT PULL] cgroup fixes for v3.11-rc5

2013-08-18 Thread Tejun Heo
Hello, Linus. This pull request contains one patch to fix the return value of cpuset's cgroups interface function, which used to always return -ENODEV for the writes on the memory_pressure_enabled file. The fix is available in the following branch

[PATCH] [media] media/v4l2: VIDEO_SH_VEU should depend on HAS_DMA

2013-08-18 Thread Geert Uytterhoeven
If NO_DMA=y: drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’: drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’ drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:

I915 DRI_PRIME Bug Resend

2013-08-18 Thread Tobias Klausmann
Hello there, while testing my Optimus Notebook i saw a stack trace in my logs, maybe someone is interested! I can easily reproduce this any time. It happens when offloading a GL app, here Unigine Heaven 3.0 to the nvidia card. To be more exactly: When starting Unigine the window stays black.

[PATCH 1/2] pinctrl: core: Hold pinctrldev_list_mutex mutex while traversing pinctrldev_list

2013-08-18 Thread Axel Lin
This one is missed in commit 44d5f7bb pinctrl: sink pinctrldev_list_mutex. Signed-off-by: Axel Lin axel@ingics.com --- drivers/pinctrl/core.c | 5 + 1 file changed, 5 insertions(+) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index c8fcedb..c670527 100644 ---

[PATCH 2/2] pinctrl: core: Hold pctldev-mutex mutex lock while traversing gpio_ranges list

2013-08-18 Thread Axel Lin
Hold pctldev-mutex mutex_lock when traverse the list. Signed-off-by: Axel Lin axel@ingics.com --- drivers/pinctrl/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index c670527..4adef2f 100644 --- a/drivers/pinctrl/core.c +++

[PATCH] Documentation: pinctrl: Fix example code for pinctrl_register

2013-08-18 Thread Axel Lin
pinctrl_register() returns NULL on error, fix it. Signed-off-by: Axel Lin axel@ingics.com --- Documentation/pinctrl.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index e7bee9b..c0ffd30 100644 ---

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