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. >

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

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

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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 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

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

[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 --- drivers/rtc/rtc-nuc900.c |2 +- 1 file changed, 1

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

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

[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 --- Documentation/filesystems/btrfs.txt | 2 +- Documentation/filesystems/f2fs.txt | 2 +- Documentation/filesystems/nfs/Exporting | 2 +- Documentation/filesystems/qnx6.txt | 2 +-

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 wrote: > > The create_freezable_workqueue() function returns a NULL on error and > not an ERR_PTR. > > Signed-off-by: Dan Carpenter Thanks. I'll apply this. Signed-off-by: MyungJoo Ham > > diff --git a/drivers/devfreq/devfreq.c

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. >>

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:

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 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 driver. Nice..

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

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

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,

[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:

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,

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" > > > > > > This commit adds a object_debug option to rcutorture

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.

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

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 >

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

2013-08-18 Thread Masanari Iida
Correct spelling typo in printk. Signed-off-by: Masanari Iida --- 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 +- drivers/media/i2c/adv7183.c

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

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 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" > > > > Although rcutorture counts CPU-hotplug online failures, it does > > not explicitly record which CPUs were having trouble coming

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" > > > > There are getting to be too many module parameters to permit the current > > semi-random order, so this patch orders them. > >

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: >> >> If it's used for something like tmpfs then it becomes much worse. Normal >> tmpfs

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" > > > > This commit adds a object_debug option to rcutorture to allow the > > debug-object-based checks for duplicate call_rcu()

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.

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 wrote: > On Fri, Aug 16, 2013 at 7:55 AM, Viresh Kumar wrote: >> Most of the drivers do following in their ->target_index() routines: >> >> struct cpufreq_freqs freqs; >> freqs.old = old freq... >> freqs.new = new

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

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.

cgroup/next tree: reference to uninitialized percpu ref

2013-08-18 Thread Ming Lei
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: diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 723194f..0e8954b

Re: [ 00/45] 3.10.8-stable review

2013-08-18 Thread Greg Kroah-Hartman
On Sun, Aug 18, 2013 at 06:43:18PM -0700, Guenter Roeck wrote: > On 08/18/2013 01:35 PM, Greg Kroah-Hartman wrote: > > This is the start of the stable review cycle for the 3.10.8 release. > > There are 45 patches in this series, all will be posted as a response > > to this one. If anyone has any

Re: [PATCH] MAINTAINERS: add the generic sched_clock under timekeeping

2013-08-18 Thread Baruch Siach
Hi John, On Wed, Jul 17, 2013 at 12:21:12PM -0700, John Stultz wrote: > On 07/17/2013 12:12 PM, Baruch Siach wrote: > >On Wed, Jul 17, 2013 at 11:57:32AM -0700, John Stultz wrote: > >>On 07/17/2013 03:05 AM, Baruch Siach wrote: > >>>Signed-off-by: Baruch Siach > >>>--- > >>> MAINTAINERS | 2 ++

Re: [PATCH 4/4] usb: chipidea: USB_CHIPIDEA should depend on HAS_DMA

2013-08-18 Thread Peter Chen
On Sun, Aug 18, 2013 at 10:20:44PM +0200, Geert Uytterhoeven wrote: > If NO_DMA=y: > > drivers/built-in.o: In function `dma_set_coherent_mask': > include/linux/dma-mapping.h:93: undefined reference to `dma_supported' > > Signed-off-by: Geert Uytterhoeven > --- > drivers/usb/chipidea/Kconfig |

Re: Re: [PATCH] Staging: rtl8192e: rtllib_rx: checking NULL value afterdoing dev_alloc_skb

2013-08-18 Thread Greg KH
On Mon, Aug 19, 2013 at 09:15:15AM +0800, rucsoftsec wrote: > I have read that file. But the trouble is that I was not sure whether it is a > bug or not. So I report it to BugZilla, and wait for further confirmation. Don't worry about bugzilla, please send us a patch through email so we can

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

2013-08-18 Thread Terry Suereth
Per my original patch, "0x3x26" in code should be "0x3726" (as in the unpatched version). I refer to "x26" in comments as a forward-looking assumption, but AFAIK only 3726 and 3826 exist at this time. terry.suer...@gmail.com On Sun, Aug 18, 2013 at 6:54 PM, Stephen Rothwell wrote: > Hi Tejun,

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

2013-08-18 Thread Minchan Kim
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: > > > > > > > > > > If it's used for something like tmpfs then it becomes much worse. > > > > > Normal > > > > > tmpfs without swap can lockup if tmpfs is

[RFC PATCH] pwm: atmel-pwm: add pwm controller driver

2013-08-18 Thread Bo Shen
add atmel pwm controller driver based on PWM framework this is basic function implementation of pwm controller it can work with pwm based led and backlight Signed-off-by: Bo Shen --- This patch is based on Linux v3.11 rc6 Tested on sama5d31ek and at91sam9m10g45ek board ---

Re: [GIT PULL] Generic sched_clock fix for 3.11

2013-08-18 Thread Baruch Siach
Hi Ingo, On Mon, Aug 12, 2013 at 06:13:11PM +0200, Ingo Molnar wrote: > > * John Stultz wrote: > > > Hey Thomas, > > Just one small fix against tip/timers/urgent for 3.11. > > > > thanks > > -john > > > > > > The following changes since commit b0ec636c93ddd77235bf0f023a8a95d78cb6cafe: >

[PATCH resend] kernel: fix new kernel-doc warning in wait.c

2013-08-18 Thread Randy Dunlap
From: Randy Dunlap Fix new kernel-doc warnings in kernel/wait.c: Warning(kernel/wait.c:374): No description found for parameter 'p' Warning(kernel/wait.c:374): Excess function parameter 'word' description in 'wake_up_atomic_t' Warning(kernel/wait.c:374): Excess function parameter 'bit'

Re: [PATCH 2/2] drivers: block :swim3: fixed the errors on coding style

2013-08-18 Thread Joe Perches
On Mon, 2013-08-19 at 01:09 +0530, Thiagarajan Thangavel wrote: > Fixed the coding style errors [] > diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c [] > @@ -783,7 +783,7 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id) > act(fs); >

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

2013-08-18 Thread Josh Triplett
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" > > > > > > This commit adds control variables and states for

linux-next: manual merge of the wireless-next tree with the wireless tree

2013-08-18 Thread Stephen Rothwell
Hi John, Today's linux-next merge of the wireless-next tree got a conflict in drivers/net/wireless/iwlwifi/pcie/trans.c between commit eabc4ac5d760 ("iwlwifi: pcie: disable L1 Active after pci_enable_device") from the wireless tree and commit 6965a3540a4b ("iwlwifi: pcie: don't swallow error

Re: [PATCH] usb: phy: Cleanup error code in **_usb_get_phy_**() APIs

2013-08-18 Thread Vivek Gautam
Hi, On Thu, Aug 8, 2013 at 12:05 AM, Julius Werner wrote: >> @@ -94,11 +94,11 @@ static int devm_usb_phy_match(struct device *dev, void >> *res, void *match_data) >> */ >> struct usb_phy *devm_usb_get_phy(struct device *dev, enum usb_phy_type type) >> { >> - struct usb_phy **ptr,

Re: [PATCH] arm64: wire in generic parport.h

2013-08-18 Thread Mark Salter
On Sun, 2013-08-18 at 22:25 +0200, Geert Uytterhoeven wrote: > On Sun, Aug 18, 2013 at 6:01 PM, Mark Salter wrote: > > The arm64 port doesn't provide a parport.h which causes a build failure > > with some configurations: > > > > drivers/parport/parport_pc.c:67:25: fatal error: asm/parport.h: No

Re: [PATCH] xen: initialize xen panic handler for PVHVM

2013-08-18 Thread vaughan
On 08/16/2013 08:43 PM, Konrad Rzeszutek Wilk wrote: > On Fri, Aug 16, 2013 at 04:10:56PM +0800, Vaughan Cao wrote: >> kernel use callback linked in panic_notifier_list to notice others when panic >> happens. >> NORET_TYPE void panic(const char * fmt, ...){ >> ... >>

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

2013-08-18 Thread HATAYAMA Daisuke
(2013/08/15 4:45), Eric W. Biederman wrote: Jingbai Ma writes: I found a side effect of unsetting BSP flag. It affected system rebooting, once the BSP flags been removed, and issue reboot command, system will hang after message: Restarting system. And have to do a hardware reset to recover

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

2013-08-18 Thread Bob Liu
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 > when a handle alloced from zbud, zbud considers this handle is

[PATCH 2/2] pinctrl: core: Add proper mutex lock in pinctrl_request_gpio

2013-08-18 Thread Axel Lin
This one is missed in commit 42fed7ba "pinctrl: move subsystem mutex to pinctrl_dev struct". Signed-off-by: Axel Lin --- drivers/pinctrl/core.c | 4 1 file changed, 4 insertions(+) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 53c40d9..92f86ab 100644 ---

[PATCH 1/2] pinctrl: core: Remove unnecessary test for desc->name

2013-08-18 Thread Axel Lin
The implementation in pinctrl_register_one_pin() ensures pindesc->name is always not NULL before insert the pindesc to radix tree. If the desc return from pin_desc_get is not NULL, desc->name is always not NULL. Signed-off-by: Axel Lin --- drivers/pinctrl/core.c | 4 +--- 1 file changed, 1

Re: readahead: make context readahead more conservative

2013-08-18 Thread Fengguang Wu
On Mon, Aug 19, 2013 at 09:59:09AM +0800, Miao Xie wrote: > Hi, everyone > > On Thu, 8 Aug 2013 16:54:18 +0800, Fengguang Wu wrote: > > This helps performance on moderately dense random reads on SSD. > > > > Transaction-Per-Second numbers provided by Taobao: > > > > QPS case > >

[PATCH v2] cgroup: change cgroup_from_id() to css_from_id()

2013-08-18 Thread Li Zefan
Now we want cgroup core to always provide the css to use to the subsystems, so change this API to css_from_id(). Uninline css_from_id(), because it's getting bigger and cgroup_css() has been unexported. While at it, remove the #ifdef, and shuffle the order of the args. Signed-off-by: Li Zefan

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

2013-08-18 Thread HATAYAMA Daisuke
(2013/08/14 18:13), Jingbai Ma wrote: On 08/13/2013 06:55 PM, Jingbai Ma wrote: On 08/06/2013 05:19 PM, HATAYAMA Daisuke wrote: Hello, I've addressing kdump restriction that there's only one cpu available on the kdump 2nd kernel. Now I need to check if the following CPU0 SMI corruption issue

Re: readahead: make context readahead more conservative

2013-08-18 Thread Miao Xie
Hi, everyone On Thu, 8 Aug 2013 16:54:18 +0800, Fengguang Wu wrote: > This helps performance on moderately dense random reads on SSD. > > Transaction-Per-Second numbers provided by Taobao: > > QPS case > --- >

[PATCH] f2fs: fix a compound statement label error

2013-08-18 Thread Gu Zheng
>From 685b72b66cb8ce019429b1958c91f346b260bc65 Mon Sep 17 00:00:00 2001 From: Gu Zheng Date: Mon, 19 Aug 2013 09:41:15 +0800 Subject: [PATCH] f2fs: fix a compound statement label error An error "label at end of compound statement" will occur if CONFIG_F2FS_STAT_FS disabled.

Re: [PATCH 2/2] powerpc/iommu: check dev->iommu_group before remove a device from iommu_group

2013-08-18 Thread Wei Yang
On Mon, Aug 19, 2013 at 11:39:49AM +1000, Alexey Kardashevskiy wrote: >On 08/19/2013 11:29 AM, Wei Yang wrote: >> On Fri, Aug 16, 2013 at 08:15:36PM +1000, Alexey Kardashevskiy wrote: >>> On 08/16/2013 08:08 PM, Wei Yang wrote: --- arch/powerpc/kernel/iommu.c |3 ++- 1 files

linux-next: build failure after merge of the libata tree

2013-08-18 Thread Stephen Rothwell
Hi Tejun, After merging the libata tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: drivers/ata/libata-pmp.c: In function 'sata_pmp_quirks': drivers/ata/libata-pmp.c:386:36: error: invalid suffix "x26" on integer constant if (vendor == 0x1095 && (devid == 0x3x26 ||

Re: [PATCH tip/core/rcu 7/9] nohz_full: Add full-system-idle arguments to API

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 08:11:20PM -0700, Josh Triplett wrote: > On Sat, Aug 17, 2013 at 06:49:42PM -0700, Paul E. McKenney wrote: > > From: "Paul E. McKenney" > > > > This commit adds an isidle and jiffies argument to force_qs_rnp(), > > dyntick_save_progress_counter(), and

Re: [ 00/34] 3.4.59-stable review

2013-08-18 Thread Guenter Roeck
On 08/18/2013 01:34 PM, Greg Kroah-Hartman wrote: This is the start of the stable review cycle for the 3.4.59 release. There are 34 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Note, there are a

Re: [PATCH] generic-ipi: Fix misleading smp_call_function_any() description

2013-08-18 Thread Xie XiuQi
Cc: Ingo Molnar On 2013/7/29 11:52, Xie XiuQi wrote: > After commit:8969a5ede0f9e17da4b943712429aef2c9bcd82b > "generic-ipi: remove kmalloc()", wait = 0 can be guaranteed. > > Signed-off-by: Xie XiuQi > Cc: Sheng Yang > Cc: Peter Zijlstra > Cc: Jens Axboe > Cc: Rusty Russell > --- >

Re: [ 00/45] 3.10.8-stable review

2013-08-18 Thread Guenter Roeck
On 08/18/2013 01:35 PM, Greg Kroah-Hartman wrote: This is the start of the stable review cycle for the 3.10.8 release. There are 45 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be

Re: [PATCH 2/2] powerpc/iommu: check dev->iommu_group before remove a device from iommu_group

2013-08-18 Thread Alexey Kardashevskiy
On 08/19/2013 11:29 AM, Wei Yang wrote: > On Fri, Aug 16, 2013 at 08:15:36PM +1000, Alexey Kardashevskiy wrote: >> On 08/16/2013 08:08 PM, Wei Yang wrote: >>> --- >>> arch/powerpc/kernel/iommu.c |3 ++- >>> 1 files changed, 2 insertions(+), 1 deletions(-) >>> >>> diff --git

Re: [ 00/12] 3.0.92-stable review

2013-08-18 Thread Guenter Roeck
On 08/18/2013 01:30 PM, Greg Kroah-Hartman wrote: This is the start of the stable review cycle for the 3.0.92 release. There are 12 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be

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

2013-08-18 Thread Paul E. McKenney
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" > > > > This commit adds control variables and states for full-system idle. > > The system will progress through the states in numerical

Re: [PATCH tip/core/rcu 4/9] nohz_full: Add rcu_dyntick data for scalable detection of all-idle state

2013-08-18 Thread Josh Triplett
On Sun, Aug 18, 2013 at 06:22:29PM -0700, Paul E. McKenney wrote: > On Sat, Aug 17, 2013 at 08:02:34PM -0700, Josh Triplett wrote: > > On Sat, Aug 17, 2013 at 06:49:39PM -0700, Paul E. McKenney wrote: > > > +#ifdef CONFIG_NO_HZ_FULL_SYSIDLE > > > + > > > +/* > > > + * Initialize dynticks sysidle

[PATCH 0/2] mfd: 88pm8xx: platform data bug fix

2013-08-18 Thread Chao Xie
The patches fix the bug that pdata may be NULL when driver uses it. Chao Xie (2): mfd: 88pm800: Fix the bug that pdata may be NULL mfd: 88pm805: Fix the bug that pdata may be NULL drivers/mfd/88pm800.c | 10 ++ drivers/mfd/88pm805.c |2 +- 2 files changed, 7 insertions(+), 5

Re: [PATCH 2/2] powerpc/iommu: check dev->iommu_group before remove a device from iommu_group

2013-08-18 Thread Wei Yang
On Fri, Aug 16, 2013 at 08:15:36PM +1000, Alexey Kardashevskiy wrote: >On 08/16/2013 08:08 PM, Wei Yang wrote: >> --- >> arch/powerpc/kernel/iommu.c |3 ++- >> 1 files changed, 2 insertions(+), 1 deletions(-) >> >> diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c >>

Re: [PATCH 05/35] i2c: use dev_get_platdata()

2013-08-18 Thread Jingoo Han
On Friday, August 16, 2013 3:03 AM, Wolfram Sang wrote: > On Tue, Jul 30, 2013 at 04:59:33PM +0900, Jingoo Han wrote: > > Use the wrapper function for retrieving the platform data instead of > > accessing dev->platform_data directly. > > > > Signed-off-by: Jingoo Han > > Not convincing. I

[PATCH 1/2] mfd: 88pm800: Fix the bug that pdata may be NULL

2013-08-18 Thread Chao Xie
User pass platform data to device, and platform data may be NULL. Add the check for pdata. Signed-off-by: Chao Xie --- drivers/mfd/88pm800.c | 10 ++ 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index 6c95483..d4d272f

[PATCH 2/2] mfd: 88pm805: Fix the bug that pdata may be NULL

2013-08-18 Thread Chao Xie
User pass platform data to device, and platform data may be NULL. Add the check for pdata. Signed-off-by: Chao Xie --- drivers/mfd/88pm805.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c index 5216022..57135bb 100644 ---

Re: [PATCH 2/2] perf, x86: Add Silvermont (22nm Atom) support

2013-08-18 Thread Yan, Zheng
ping On 07/19/2013 10:46 AM, Yan, Zheng wrote: > From: "Yan, Zheng" > > Compare to old atom, Silvermont has offcore and has more events > that support PEBS. > > Signed-off-by: Yan, Zheng > --- > Changes since v1: > - test shows that "event 0x013c != fixed counter2", fix the code > - remove

Re: [PATCH 1/2] perf, x86: use INTEL_UEVENT_EXTRA_REG to define MSR_OFFCORE_RSP_X

2013-08-18 Thread Yan, Zheng
ping On 07/18/2013 05:02 PM, Yan, Zheng wrote: > From: "Yan, Zheng" > > Silvermont (22nm Atom) has two offcore response configuration MSRs, > unlike other Intel CPU, its event code for MSR_OFFCORE_RSP_1 is 0x02b7. > To avoid complicating intel_fixup_er(), use INTEL_UEVENT_EXTRA_REG to > define

Re: [PATCH tip/core/rcu 4/9] nohz_full: Add rcu_dyntick data for scalable detection of all-idle state

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 08:02:34PM -0700, Josh Triplett wrote: > On Sat, Aug 17, 2013 at 06:49:39PM -0700, Paul E. McKenney wrote: > > From: "Paul E. McKenney" > > > > This commit adds fields to the rcu_dyntick structure that are used to > > detect idle CPUs. These new fields differ from the

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

2013-08-18 Thread Josh Triplett
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" > > > > > > According to the C standard 3.4.3p3, overflow of a

Re: [patch v2 3/3] mm: page_alloc: fair zone allocator policy

2013-08-18 Thread Stephen Rothwell
Hi all, On Fri, 16 Aug 2013 14:52:11 -0700 Kevin Hilman wrote: > > Johannes Weiner writes: > > > On Fri, Aug 16, 2013 at 10:17:01AM -0700, Kevin Hilman wrote: > >> Johannes Weiner writes: > >> > On Wed, Aug 07, 2013 at 11:37:43AM -0400, Johannes Weiner wrote: > >> > Subject: [patch] mm:

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

2013-08-18 Thread Paul E. McKenney
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" > > > > According to the C standard 3.4.3p3, overflow of a signed integer results > > in undefined behavior. This commit therefore

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

2013-08-18 Thread Josh Triplett
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 received his Ph.D. with his dissertation > > > +covering

Re: [PATCH tip/core/rcu 06/11] rcu: Switch to exedited grace periods for suspend as well as hibernation

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 08:20:09PM -0700, Josh Triplett wrote: > On Sat, Aug 17, 2013 at 06:37:51PM -0700, Paul E. McKenney wrote: > > From: Bjørn Mork > > > > Commit 587ff2cf ("rcu: Expedite grace periods during suspend/resume") > > enabled expedited grace periods for hibernation, but not for

Re: [PATCH tip/core/rcu 02/11] rcu: Expedite during suspend and resume only on smallish systems

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 08:18:32PM -0700, Josh Triplett wrote: > On Sat, Aug 17, 2013 at 06:37:47PM -0700, Paul E. McKenney wrote: > > From: "Paul E. McKenney" > > > > Expedited grace periods are of dubious benefit on very large systems, > > so this commit restricts their automated use during

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

2013-08-18 Thread Paul E. McKenney
On Sun, Aug 18, 2013 at 11:34:44AM +0200, Borislav Petkov wrote: > 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 > > > > > > CONFIG_RCU_FAST_NO_HZ can increase grace-period

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

2013-08-18 Thread Paul E. McKenney
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: > > From: "Paul E. McKenney" > > Could you mention the BibTeX formatting changes (and the rationale for > them) in the commit message, please? Good point, done.

Re: please fetch new git-based DM 'for-next' branch [was: Re: [git pull] device-mapper changes for 3.11]

2013-08-18 Thread Stephen Rothwell
Hi Mike, Alasdair, On Fri, 16 Aug 2013 17:18:10 -0400 Mike Snitzer wrote: > > To access all future DM changes for linux-next, please switch from > Alasdair's quilt tree to using the 'for-next' branch of the DM git repo: > >

[PATCH-v2 3/4] iscsi-target: Add login negotiation multi-plexing support

2013-08-18 Thread Nicholas A. Bellinger
From: Nicholas Bellinger This patch adds support for login negotiation multi-plexing in iscsi-target code. This involves handling the first login request PDU + payload and login response PDU + payload within __iscsi_target_login_thread() process context, and then changing struct

[PATCH-v2 0/4] iscsi-target: Add support for login multi-plexing support

2013-08-18 Thread Nicholas A. Bellinger
From: Nicholas Bellinger Hi folks, This -v2 series for v3.12-rc1 adds support for login multi-plexing, that allows subsequent login request/request PDUs beyond the initial exchange to be pushed off to workqueue process context, so that other incoming login requests can be serviced in parallel.

[PATCH 4/4] iser-target: Updates for login negotiation multi-plexing support

2013-08-18 Thread Nicholas A. Bellinger
From: Nicholas Bellinger This patch updates iser-target code to support login negotiation multi-plexing. This includes only using isert_conn->conn_login_comp for the first login request PDU, pushing the subsequent processing to iscsi_conn->login_work -> iscsi_target_do_login_rx(), and turning

[PATCH-v2 1/4] iscsi-target: Fix iscsit_transport reference leak during NP thread reset

2013-08-18 Thread Nicholas A. Bellinger
From: Nicholas Bellinger This patch fixes a bug in __iscsi_target_login_thread() where an explicit network portal thread reset ends up leaking the iscsit_transport module reference, along with the associated iscsi_conn allocation. This manifests itself with iser-target where a NP reset causes

[PATCH-v2 2/4] iscsi-target: Prepare login code for multi-plexing support

2013-08-18 Thread Nicholas A. Bellinger
From: Nicholas Bellinger This patch prepares the iscsi-target login code for multi-plexing support. This includes: - Adding iscsi_tpg_np->tpg_np_kref + iscsit_login_kref_put() for handling callback of iscsi_tpg_np->tpg_np_comp - Adding kref_put() in iscsit_deaccess_np() - Adding

Re: [PATCH v2 5/8] drm/i2c: tda998x: add video and audio input configuration

2013-08-18 Thread Russell King - ARM Linux
On Mon, Aug 19, 2013 at 09:23:17AM +1000, Dave Airlie wrote: > On Thu, Aug 15, 2013 at 5:43 AM, Sebastian Hesselbarth > wrote: > > From: Russell King > > > > This patch adds tda998x specific parameters to allow it to be configured > > for different boards using it. Also, this implements

Re: [PATCH v2 5/8] drm/i2c: tda998x: add video and audio input configuration

2013-08-18 Thread Dave Airlie
On Thu, Aug 15, 2013 at 5:43 AM, Sebastian Hesselbarth wrote: > From: Russell King > > This patch adds tda998x specific parameters to allow it to be configured > for different boards using it. Also, this implements rudimentary audio > support for S/PDIF attached controllers. > > Signed-off-by:

cf

2013-08-18 Thread eagdrympgx
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RE: [PATCH 01/10] leds: lp55xx: add common data structure for program

2013-08-18 Thread Kim, Milo
Hi Bryan, > -Original Message- > From: Bryan Wu [mailto:coolo...@gmail.com] > Sent: Wednesday, August 14, 2013 3:56 AM > To: Milo Kim > Cc: Pali Rohár; Linux LED Subsystem; lkml; Kim, Milo > Subject: Re: [PATCH 01/10] leds: lp55xx: add common data structure for > program > > On Thu, Aug

[no subject]

2013-08-18 Thread Subhash Deshpande
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2013-08-18 Thread Subhash Deshpande
-- Please i need your help in executing an urgent business. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at

Linux 3.11-rc6

2013-08-18 Thread Linus Torvalds
It's been a fairly quiet week, and the rc's are definitely shrinking. Which makes me happy. Sure, we had an interesting rang handling bug in the TLB invalidation code, but that was an older bug and apparently really hard to hit in practice. That said, it could explain a couple of random

Re: bcache: Fix a writeback performance regression

2013-08-18 Thread Stefan Priebe
Vanilla 3.10.7 + bcache: Fix a writeback performance regression http://pastebin.com/raw.php?i=LXZk4cMH Stefan Am 16.08.2013 12:11, schrieb Stefan Priebe - Profihost AG: Hi, bcache: Fix a writeback performance regression this one results in 3.10 into hung tasks in bcache_writeback

Re: [PATCH] USB: musb: Avoid null pointer dereference in debug logging

2013-08-18 Thread Sergei Shtylyov
Hello. On 18-08-2013 20:21, Maarten ter Huurne wrote: Since commit 511f3c53 usb_gadget_remove_driver will pass NULL for the Please also specify that commit's summary line in parens. driver argument. Signed-off-by: Maarten ter Huurne --- drivers/usb/musb/musb_gadget.c | 3 ++- 1

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