Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Mike Galbraith
On Fri, 2014-05-02 at 07:32 +0200, Mike Galbraith wrote: On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Currently sync wakeups from the wake_affine code cannot work as designed, because the task doing the sync wakeup from the target cpu will block its wakee from selecting that

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Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Rik van Riel
On 05/02/2014 01:58 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 07:32 +0200, Mike Galbraith wrote: On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Currently sync wakeups from the wake_affine code cannot work as designed, because the task doing the sync wakeup from the target cpu

Re: [PATCH] DMA-API: Change dma_declare_coherent_memory() CPU address to phys_addr_t

2014-05-02 Thread James Bottomley
On Thu, 2014-05-01 at 13:05 -0600, Bjorn Helgaas wrote: [+cc Arnd] On Thu, May 1, 2014 at 8:08 AM, James Bottomley jbottom...@parallels.com wrote: On Wed, 2014-04-30 at 14:33 -0600, Bjorn Helgaas wrote: dma_declare_coherent_memory() takes two addresses for a region of memory: a bus_addr

Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Mike Galbraith
On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Whether or not this is the right thing to do remains to be seen, but it does allow us to verify whether or not the wake_affine strategy of always doing affine wakeups and only disabling them in a specific circumstance is sound, or needs

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Re: [PATCH v2 04/10] drm/nouveau/fb: add GK20A support

2014-05-02 Thread Terje Bergström
On 01.05.2014 07:49, Alexandre Courbot wrote: Agreed. Besides I hope the day won't come where we have to go through 2 layers of memory translation for the GPU... That's actually the method of operation that gives us the best performance. GPU likes big pages, and without IOMMU translation you'd

[PATCH v2 0/6] Add CPTS support for AM437x

2014-05-02 Thread George Cherian
The series adds CPTS support for AM4372. Patch 1 - DT changes w.r.t clock changes for AM33xx. Patch 2 - CPTS clock name harcoding in the driver is removed. Easier to pass the clock name from dt rather than hardcoding in driver. Also in prepration for DRA7x CPTS support.

[PATCH v2 4/6] drivers: net: cpsw: Enable Annexe F Time sync

2014-05-02 Thread George Cherian
Enable the Annex F Time Sync explicitly for DRA7x and AM4372. With this enabled the L2 PTP is working. while at that rename TS_BIT8 to TS_TTL_NONZERO Signed-off-by: George Cherian george.cher...@ti.com --- drivers/net/ethernet/ti/cpsw.c | 49 +++--- 1 file

[PATCH v2 3/6] drivers: net: cpsw: Enable CPTS for DRA7xx and AM4372

2014-05-02 Thread George Cherian
Enable cpts hardware time stamping for Dra7xx and AM4372. This enables PTPv2 for DRA7xx and AM4372. Signed-off-by: George Cherian george.cher...@ti.com --- drivers/net/ethernet/ti/cpsw.c | 7 +-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw.c

[PATCH v2 5/6] ARM: AM43xx: clk: Change the cpts ref clock source to dpll_core_m5 clk

2014-05-02 Thread George Cherian
cpsw_cpts_rft_clk has got the choice of 3 clocksources -dpll_core_m4_ck -dpll_core_m5_ck -dpll_disp_m2_ck By default dpll_core_m4_ck is selected, witn this as clock source the CPTS doesnot work properly. It gives clockcheck errors while running PTP. clockcheck: clock jumped backward or

[PATCH v2 6/6] ARM: dts: am4372: Add clock names for cpsw and cpts

2014-05-02 Thread George Cherian
Add CPSW fck and CPTS clock and clock names for AM4372 Signed-off-by: George Cherian george.cher...@ti.com --- arch/arm/boot/dts/am4372.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 36d523a..c2779f6 100644 ---

[PATCH v2 1/6] ARM: dts: am33xx: Add clock names for cpsw and cpts

2014-05-02 Thread George Cherian
Add CPSW fck and CPTS clock and clock names Signed-off-by: George Cherian george.cher...@ti.com --- arch/arm/boot/dts/am33xx.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 9770e35..d1e2b36 100644 ---

Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Mike Galbraith
On Fri, 2014-05-02 at 02:08 -0400, Rik van Riel wrote: On 05/02/2014 01:58 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 07:32 +0200, Mike Galbraith wrote: On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Currently sync wakeups from the wake_affine code cannot work as designed,

[PATCH v2 2/6] drivers: net: cpts: Remove hardcoded clock name for CPTS

2014-05-02 Thread George Cherian
CPTS refclk name is hardcoded, which makes it fail in case of DRA7x Remove the hardcoded clock name for CPTS refclk and get the same from DT. Signed-off-by: George Cherian george.cher...@ti.com --- drivers/net/ethernet/ti/cpts.c | 11 --- 1 file changed, 4 insertions(+), 7 deletions(-)

Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Mike Galbraith
On Fri, 2014-05-02 at 08:36 +0200, Mike Galbraith wrote: Reason why is that case was on a box where FAIR_SLEEPERS is disabled by default, meaning there is no such thing as wakeup preemption. Guess what happens when you don't have shared LLC for a fast/light wakee to escape to when the waker

Re: [PATCH v2] staging: rtl8723au: fix potential leak in update_bcn_wps_ie()

2014-05-02 Thread Jes Sorensen
Christian Engelmayer cenge...@gmx.at writes: Fix a potential leak in the error path of function update_bcn_wps_ie(). Move the affected input verification to the beginning of the function so that it may return directly without leaking already allocated memory. Detected by Coverity - CID

Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Rik van Riel
On 05/02/2014 02:13 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Whether or not this is the right thing to do remains to be seen, but it does allow us to verify whether or not the wake_affine strategy of always doing affine wakeups and only disabling them

Re: [PATCH RT 1/3] rt: Move migrate_disable up in trylocks

2014-05-02 Thread Sebastian Andrzej Siewior
On 05/01/2014 02:47 AM, Steven Rostedt wrote: Could this wait until it appears in the development release? Sebastian -- 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

linux-next: Tree for May 2

2014-05-02 Thread Stephen Rothwell
Hi all, This tree still fails (more than usual) the powerpc allyesconfig build. Changes since 20140501: The powerpc tree still had its build failure. Non-merge commits (relative to Linus' tree): 3658 3376 files changed, 122496 insertions(+), 79513 deletions(-)

[PATCH] netdev: pktgen xmit packet through vlan interface

2014-05-02 Thread Zhouyi Zhou
As http://www.spinics.net/lists/netdev/msg165015.html pktgen generates shared packet through vlan interface will cause oops because of duplicate entering tc queue. Try to solve this problem by means of packet clone instead of sharing. Signed-off-by: Zhouyi Zhou yizhouz...@ict.ac.cn ---

Re: [PATCH] Fixing coding style issues in android alarm-dev.c

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 10:05:53PM +0100, Karim Raslan wrote: fixing Missing a blank line after declarations found by checkpatch.pl script Use a subject prefix. Also the subject is too vague. [PATCH] staging: android: alarm-dev: add a blank line regards, dan carpenter -- To unsubscribe

Re: PROBLEM: Pulseaudio hung at schedule in 3.15-rc1

2014-05-02 Thread Takashi Iwai
At Wed, 30 Apr 2014 13:40:11 -0400, Bryan Quigley wrote: Hm, what about the one below instead? Takashi It works now! Still gives me some errors, but both the webcam and microphone function fine.. On pluging it in, all seems normal: Apr 30 13:33:29 dell-laptop kernel: [

Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Mike Galbraith
On Fri, 2014-05-02 at 02:30 -0400, Rik van Riel wrote: On 05/02/2014 02:13 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Whether or not this is the right thing to do remains to be seen, but it does allow us to verify whether or not the wake_affine

[PATCH v2] ARM: tegra: add Tegra Note 7 device tree

2014-05-02 Thread Alexandre Courbot
Tegra Note 7 is a consumer tablet embedding a Tegra 4 SoC with 1GB RAM and a 720p panel. The following hardware is enabled by this device tree: UART, eMMC, USB (needs external power), PMIC, backlight, DSI panel, keys. SD card, HDMI, charger, self-powered USB, audio, wifi, bluetooth are not yet

[PATCH] IBM Akebono: Remove obsolete config select

2014-05-02 Thread Alistair Popple
The original implementation of MMC support for Akebono introduced a new configuration symbol (MMC_SDHCI_OF_476GTR). This symbol has been dropped in favour of using the generic platform driver however the select for this symbol was mistakenly left in the platform configuration. This patch removes

Re: [PATCH/RFC 3/4] of/clk: Register clocks suitable for Runtime PM with the PM core

2014-05-02 Thread Ulf Hansson
Normally I don't think it's a good idea to automatically manage clocks from PM core or any other place but from the driver (and possibly the subsystem). The reason is simply that we hide things that normally is supposed to be handled by the driver. Typically a cross SOC driver should work

Re: [PATCH v4 5/5] x86: initialize secondary CPU only if master CPU will wait for it

2014-05-02 Thread Igor Mammedov
On Thu, 01 May 2014 17:11:56 -0600 Toshi Kani toshi.k...@hp.com wrote: On Mon, 2014-04-14 at 17:11 +0200, Igor Mammedov wrote: Hang is observed on virtual machines during CPU hotplug, especially in big guests with many CPUs. (It reproducible more often if host is over-committed). It

Re: [PATCH v1.0 2/16] arcmsr: Support MSI-X interrupt

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 05:50:12PM +0800, ching wrote: From: Chingching2...@areca.com.tw Adding code for supporting MSI-X interrupt Signed-off-by: Chingching2...@areca.com.tw --- These patches seem to be broken up nicely into patches which do one thing per patch and they are much easier

Re: [PATCH v1.0 5/16] arcmsr: fix abort command function

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 06:49:22PM +0800, ching wrote: From: Chingching2...@areca.com.tw Fix abort command and its relate function. The changelog should really say something about what the user visible effects are for this bug. regards, dan carpenter -- To unsubscribe from this list: send

Re: [RFC PATCH 0/2] kpatch: dynamic kernel patching

2014-05-02 Thread Jiri Kosina
On Thu, 1 May 2014, Josh Poimboeuf wrote: Since Jiri posted the kGraft patches [1], I wanted to share an alternative live patching solution called kpatch, which is something we've been working on at Red Hat for quite a while. Hi Josh, Seth, thanks a lot for following up to our RFC with your

Re: [PATCH] DMA-API: Change dma_declare_coherent_memory() CPU address to phys_addr_t

2014-05-02 Thread Arnd Bergmann
On Friday 02 May 2014 06:11:42 James Bottomley wrote: On Thu, 2014-05-01 at 13:05 -0600, Bjorn Helgaas wrote: [+cc Arnd] On Thu, May 1, 2014 at 8:08 AM, James Bottomley jbottom...@parallels.com wrote: On Wed, 2014-04-30 at 14:33 -0600, Bjorn Helgaas wrote:

Re: dcache shrink list corruption?

2014-05-02 Thread Szeredi Miklos
On Thu, May 1, 2014 at 4:34 PM, Al Viro v...@zeniv.linux.org.uk wrote: On Thu, May 01, 2014 at 11:42:52AM +0200, Miklos Szeredi wrote: - bool foo = flag FLAG looks suspicious. Is this guaranteed not to overflow? What do you mean, overflow? It's not a 1-bit unsigned int; conversion to

Re: [PATCH] aio: fix potential leak in aio_run_iocb().

2014-05-02 Thread Lukáš Czerner
On Thu, 1 May 2014, Leon Yu wrote: Date: Thu, 1 May 2014 03:31:28 + From: Leon Yu chianglun...@gmail.com To: Benjamin LaHaise b...@kvack.org, Alexander Viro v...@zeniv.linux.org.uk Cc: linux-...@kvack.org, linux-fsde...@vger.kernel.org, linux-kernel@vger.kernel.org, Leon Yu

Re: [PATCH 2/2] cpuidle / menu: Return error code if there are no suitable states

2014-05-02 Thread Daniel Lezcano
On 04/30/2014 01:16 AM, Rafael J. Wysocki wrote: On Tuesday, April 29, 2014 01:28:03 AM Rafael J. Wysocki wrote: On Monday, April 28, 2014 01:14:32 PM Daniel Lezcano wrote: On 04/27/2014 02:55 PM, Rafael J. Wysocki wrote: [ ... ] --- From: Rafael J. Wysocki rafael.j.wyso...@intel.com

Re: [PATCH v1.0 7/16] arcmsr: revise message_isr_bh_fn to delete duplicate code

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 07:02:37PM +0800, ching wrote: + } + atomic_inc(acb-rq_map_token); This patch is a nice cleanup but it would be even better if you flipped this condition around. + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { if (readl(signature) !=

Re: [PATCH v1.0 10/16] arcmsr: clear outbound doorbell buffer

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 07:19:25PM +0800, ching wrote: From: Chingching2...@areca.com.tw Clearing outbound doorbell buffer completely for adapter type C. What are the user visible effects of this bug? regards, dan carpenter -- To unsubscribe from this list: send the line unsubscribe

Re: [PATCH V2 1/2] sched: idle: Encapsulate the code to compile it out

2014-05-02 Thread Daniel Lezcano
On 05/01/2014 12:47 AM, Rafael J. Wysocki wrote: On Wednesday, April 30, 2014 02:01:02 PM Daniel Lezcano wrote: Encapsulate the large portion of cpuidle_idle_call inside another function so when CONFIG_CPU_IDLE=n, the code will be compiled out. Also that is benefitial for the clarity of the

Re: [Patch v2] lapic need be checked if available when initialize acpi processor id

2014-05-02 Thread Baoquan He
On 04/30/14 at 10:13pm, Rafael J. Wysocki wrote: On Wednesday, April 30, 2014 02:03:03 PM Baoquan He wrote: Hi Rafael, Hi, Thanks for previous review for v1. Later on I thought acpi_lapic is more suitable for checking whether LAPIC in MADT is available, and it can hanlde both the UP

Re: [PATCH/RFC 3/4] of/clk: Register clocks suitable for Runtime PM with the PM core

2014-05-02 Thread Ulf Hansson
Hi Geert, Some more review comments. + + +#ifdef CONFIG_PM_RUNTIME + +static int of_clk_pm_runtime_suspend(struct device *dev) +{ + int ret; + + ret = pm_generic_runtime_suspend(dev); + if (ret) + return ret; + + ret = pm_clk_suspend(dev);

Re: [PATCH v1.0 12/16] arcmsr: revise alloction of second dma_coherent_handle for type B adapter

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 07:30:29PM +0800, ching wrote: From: Chingching2...@areca.com.tw Revise allocation of second dma_coherent_handle for type_B adapter. Is this a bugfix? I think it is. Do you know what the user visible effects are? regards, dan carpenter -- To unsubscribe from this

Re: [PATCH V2 1/2] sched: idle: Encapsulate the code to compile it out

2014-05-02 Thread Daniel Lezcano
On 05/01/2014 12:56 AM, Rafael J. Wysocki wrote: On Thursday, May 01, 2014 12:47:25 AM Rafael J. Wysocki wrote: On Wednesday, April 30, 2014 02:01:02 PM Daniel Lezcano wrote: Encapsulate the large portion of cpuidle_idle_call inside another function so when CONFIG_CPU_IDLE=n, the code will be

Re: dcache shrink list corruption?

2014-05-02 Thread Szeredi Miklos
On Fri, May 2, 2014 at 7:51 AM, Al Viro v...@zeniv.linux.org.uk wrote: On Wed, Apr 30, 2014 at 11:15:15AM +0200, Miklos Szeredi wrote: IBM is triggering this with the host01 test from the LTP suite. I haven't yet tried to reproduce it. Could you repost their report? So far I hadn't

Re: [PATCH RT 1/2] rwsem-rt: Do not allow readers to nest

2014-05-02 Thread Sebastian Andrzej Siewior
* Steven Rostedt | 2014-04-08 22:47:01 [-0400]: From: Steven Rostedt (Red Hat) rost...@goodmis.org The readers of mainline rwsems are not allowed to nest, the rwsems in the PREEMPT_RT kernel should not nest either. Signed-off-by: Steven Rostedt rost...@goodmis.org Applied Sebastian -- To

Re: [PATCH RT 2/2] rtmutex: Remove duplicate rt_mutex_init()

2014-05-02 Thread Sebastian Andrzej Siewior
* Steven Rostedt | 2014-04-08 22:47:02 [-0400]: From: Steven Rostedt (Red Hat) rost...@goodmis.org The rt_mutex_init() macro is the same whether or not CONFIG_DEBUG_RT_MUTEX is set. Remove the duplicate. Signed-off-by: Steven Rostedt rost...@goodmis.org This does not apply cleanly on v3.14-rt

Re: [PATCH v1.0 14/16] arcmsr: fix sparse checking error

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 07:38:26PM +0800, ching wrote: From: Chingching2...@areca.com.tw Fix sparse utility checking errors. I was expecting that this patch would add __iomem annotations throughout but in several places it actually removes calls to readl() and writel() as well. case

[PATCH] Fixes Coding Style Warnings

2014-05-02 Thread Sheetal Tigadoli
From: Sheetal T sheetal.tigad...@gmail.com Signed-off-by: Sheetal T sheetal.tigad...@gmail.com --- drivers/staging/comedi/drivers/das08.h | 56 +--- 1 file changed, 30 insertions(+), 26 deletions(-) diff --git a/drivers/staging/comedi/drivers/das08.h

[PATCH] Fixes Coding Style Warnings

2014-05-02 Thread Sheetal Tigadoli
Patch to fix Some Coding style warnings. Sending it to complete one of Eudyptula Challenges. -- 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

Re: [PATCH v5] mm,writeback: fix divide by zero in pos_ratio_polynom

2014-05-02 Thread Michal Hocko
On Wed 30-04-14 16:42:55, Rik van Riel wrote: On Wed, 30 Apr 2014 13:13:53 -0700 Andrew Morton a...@linux-foundation.org wrote: This was a consequence of 64-32 truncation and it can't happen any more, can it? Andrew, this is cleaner indeed :) Masayoshi-san, does the bug still happen

Re: [PATCH/RFC 00/11] perf/s390/kvm: trace events, perf kvm stat

2014-05-02 Thread Jiri Olsa
On Fri, Apr 25, 2014 at 11:12:22AM +0200, Christian Borntraeger wrote: The goal of this series is to - enable perf kvm stat on s390 - get rid of a perf warning insn_to_mnemonic not found when it tries to decode s390 perf trace events perf tools changes look good to me Review feedback is

Re: [PATCH 1/3] perf tests: Introduce perf_regs_load function on ARM64

2014-05-02 Thread Jean Pihet
Hi WIll, Mark, Ping on this series. Can you please check? Is the refreshed patch OK? Cheers, Jean On 28 April 2014 15:12, Jean Pihet jean.pi...@linaro.org wrote: Introducing perf_regs_load function, which is going to be used for dwarf unwind test in following patches. It takes single

Re: [PATCH v4 3/4] usb: ohci-exynos: Add facility to use phy provided by the generic phy framework

2014-05-02 Thread Vivek Gautam
Hi Tomasz, On Thu, May 1, 2014 at 10:46 PM, Tomasz Figa tomasz.f...@gmail.com wrote: Hi Vivek, Please see my comments inline. Thanks for the review, please find my answers inline. On 30.04.2014 07:19, Vivek Gautam wrote: Add support to consume phy provided by Generic phy framework.

[patch] timer_stats, doc: Readout of /proc/timer_stats doesn't disable sampling

2014-05-02 Thread Michael Kerrisk (man-pages)
From: Michael Kerrisk mtk.manpa...@gmail.com Some simple testing shows that reading from /proc/timer_stats does not disable sampling. Looking back over past source code, it appears that it never did. Signed-off-by: Michael Kerrisk mtk.manpa...@gmail.com -- Michael Kerrisk Linux man-pages

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[PATCH v4 1/9] drm/nouveau/bar: only ioremap BAR3 if it exists

2014-05-02 Thread Alexandre Courbot
Some chips that use system memory exclusively (e.g. GK20A) do not expose 2 BAR regions. For them only BAR1 exists, and it should be used for USERD mapping. Do not map BAR3 if its resource does not exist. Signed-off-by: Alexandre Courbot acour...@nvidia.com Reviewed-by: Thierry Reding

[PATCH v4 4/9] drm/nouveau/fb: add GK20A support

2014-05-02 Thread Alexandre Courbot
Add a simple FB device for GK20A, as well as a RAM implementation based on contiguous DMA memory allocations suitable for chips that use system memory as video RAM. Signed-off-by: Alexandre Courbot acour...@nvidia.com --- drivers/gpu/drm/nouveau/Makefile | 2 +

[PATCH v4 7/9] drm/nouveau/graph: pad firmware code at load time

2014-05-02 Thread Alexandre Courbot
Pad the microcode to a multiple of 0x40 words, otherwise firmware will fail to run from non-prepadded firmware files. Signed-off-by: Alexandre Courbot acour...@nvidia.com Reviewed-by: Thierry Reding tred...@nvidia.com --- drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c | 4 1 file changed,

[PATCH v4 9/9] drm/nouveau: support for probing GK20A

2014-05-02 Thread Alexandre Courbot
Set the correct subdev/engine classes when GK20A (0xea) is probed. Signed-off-by: Alexandre Courbot acour...@nvidia.com --- drivers/gpu/drm/nouveau/core/engine/device/nve0.c | 17 + 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nve0.c

Re: [PATCH v1.0 16/16] arcmsr: support new adapter ARC12x4

2014-05-02 Thread Dan Carpenter
On Wed, Apr 30, 2014 at 07:46:18PM +0800, ching wrote: + acb-pmuD = reg; + reg-chip_id = (u32 __iomem *)((unsigned long)acb-mem_base0 + + ARCMSR_ARC1214_CHIP_ID); + reg-cpu_mem_config = (u32 __iomem *)((unsigned long) + acb-mem_base0 +

[PATCH v4 6/9] drm/nouveau/graph: enable when using external fw

2014-05-02 Thread Alexandre Courbot
nvc0_graph_ctor() would only let the graphics engine be enabled if its oclass has a proper microcode linked to it. This prevents GR from being enabled at all on chips that rely exclusively on external firmware, even though such a use-case is valid. Relax the conditions enabling the GR engine to

[PATCH v4 8/9] drm/nouveau/graph: add GK20A support

2014-05-02 Thread Alexandre Courbot
Add a GR device for GK20A based on NVE4, with the correct classes definitions (GK20A's 3D class is 0xa297). Most of the NVE4 code can be used on GK20A, so make relevant bits of NVE4 available to other chips as well. Signed-off-by: Alexandre Courbot acour...@nvidia.com ---

[PATCH v4 3/9] drm/nouveau/ibus: add GK20A support

2014-05-02 Thread Alexandre Courbot
Add support for initializing the priv ring of GK20A. This is done by the BIOS on desktop GPUs, but needs to be done by hand on Tegra. Signed-off-by: Alexandre Courbot acour...@nvidia.com --- drivers/gpu/drm/nouveau/Makefile | 1 +

[PATCH v4 5/9] drm/nouveau/fifo: add GK20A support

2014-05-02 Thread Alexandre Courbot
GK20A's FIFO is compatible with NVE0, but only features 128 channels and 1 runlist. Signed-off-by: Alexandre Courbot acour...@nvidia.com Reviewed-by: Thierry Reding tred...@nvidia.com --- drivers/gpu/drm/nouveau/Makefile | 1 + drivers/gpu/drm/nouveau/core/engine/fifo/gk20a.c

[PATCH v4 2/9] drm/nouveau/bar/nvc0: support chips without BAR3

2014-05-02 Thread Alexandre Courbot
Adapt the NVC0 BAR driver to make it able to support chips that do not expose a BAR3. When this happens, BAR1 is then used for USERD mapping and the BAR alloc() functions is disabled, making GPU objects unable to rely on BAR for data access and falling back to PRAMIN. Signed-off-by: Alexandre

Re: [PATCH 1/4] memcg, mm: introduce lowlimit reclaim

2014-05-02 Thread Michal Hocko
On Wed 30-04-14 18:55:50, Johannes Weiner wrote: On Mon, Apr 28, 2014 at 02:26:42PM +0200, Michal Hocko wrote: diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 19d620b3d69c..40e517630138 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2808,6 +2808,29 @@ static struct

[PATCH v4 0/9] drm/nouveau: support for GK20A, cont'd

2014-05-02 Thread Alexandre Courbot
Latest patches for GK20A, taking comments received for v3 into account. Changes since v3: - use only pfn_to_page() and page_to_pfn() in GK20A's FB. These functions are present on every arch and the physical address to page frame number conversion is also consistently a shift of PAGE_SHIFT.

Re: [patch] timer_stats, doc: Readout of /proc/timer_stats doesn't disable sampling

2014-05-02 Thread Michael Kerrisk
Sorry -- fatfingered in Thunderbird. Proper patch on its way shortly. On Fri, May 2, 2014 at 11:29 AM, Michael Kerrisk (man-pages) mtk.manpa...@gmail.com wrote: From: Michael Kerrisk mtk.manpa...@gmail.com Some simple testing shows that reading from /proc/timer_stats does not disable

Re: [PATCH 3/4] memcg, doc: clarify global vs. limit reclaims

2014-05-02 Thread Michal Hocko
On Wed 30-04-14 19:03:50, Johannes Weiner wrote: On Mon, Apr 28, 2014 at 02:26:44PM +0200, Michal Hocko wrote: Be explicit about global and hard limit reclaims in our documentation. Signed-off-by: Michal Hocko mho...@suse.cz --- Documentation/cgroups/memory.txt | 31

Re: [PATCH 4/4] memcg: Document memory.low_limit_in_bytes

2014-05-02 Thread Michal Hocko
On Wed 30-04-14 18:57:48, Johannes Weiner wrote: On Mon, Apr 28, 2014 at 02:26:45PM +0200, Michal Hocko wrote: Describe low_limit_in_bytes and its effect. Signed-off-by: Michal Hocko mho...@suse.cz --- Documentation/cgroups/memory.txt | 9 + 1 file changed, 9 insertions(+)

[PATCH] drm/ttm: remove declaration of ttm_tt_cache_flush

2014-05-02 Thread Alexandre Courbot
ttm_tt_cache_flush's implementation was removed in 2009 by commit c9c97b8c, but its declaration has been hiding in ttm_bo_driver.h since then. It has been surviving in the dark for too long now ; give it the coup de grâce. Signed-off-by: Alexandre Courbot acour...@nvidia.com ---

Re: [PATCH v1.0 1/11] arcmsr: Revise interrupt service routine relate function

2014-05-02 Thread 黃清隆
Hi James, Indeed, it makes you confusion that I mistake typing the subject. It should be [PATCH v1.0 1/16] , but not [PATCH v1.0 1/11]. Why I use v1.0 other than v1.4? Changing from 11 patches to 16 patches. Because I spend a long time to simplify each patch, so patch number is increase. It is

Re: KVM Nested L2 guest startup problems

2014-05-02 Thread Paolo Bonzini
Il 02/05/2014 03:43, Hu Yaohui ha scritto: Hi all, I have a problem running the latest version of kvm with nested configuration. I used to run it with kernel 3.2.2 both for L0 and L1, which works perfectly. When I change my L0 to kernel 3.10.36, L1 to kernel 3.12.10. When I start L2 guest in L1

Re: [PATCH v3 4/7] of: configure the platform device dma parameters

2014-05-02 Thread Arnd Bergmann
On Thursday 01 May 2014 14:12:10 Grant Likely wrote: I've got two concerns here. of_dma_get_range() retrieves only the first tuple from the dma-ranges property, but it is perfectly valid for dma-ranges to contain multiple tuples. How should we handle it if a device has multiple ranges

Re: [RFC PATCH 1/5] watchdog: Add API to trigger reboots

2014-05-02 Thread Will Deacon
Hi Guenter, This looks pretty sensible to me (and the arm/arm64 bits look fine too), but I have one question below... On Thu, May 01, 2014 at 04:41:29PM +0100, Guenter Roeck wrote: Some hardware implements reboot through its watchdog hardware, for example by triggering a watchdog timeout.

Re: [ANNOUNCE] 3.14-rt1

2014-05-02 Thread Sebastian Andrzej Siewior
* Mike Galbraith | 2014-04-19 16:46:06 [+0200]: Hi Sebastian, Hi Mike, This hunk in hotplug-light-get-online-cpus.patch looks like a bug. @@ -333,7 +449,7 @@ static int __ref _cpu_down(unsigned int /* CPU didn't die: tell everyone. Can't complain. */

Re: [patch v2 1/4] mm, migration: add destination page freeing callback

2014-05-02 Thread Mel Gorman
On Thu, May 01, 2014 at 02:35:37PM -0700, David Rientjes wrote: Memory migration uses a callback defined by the caller to determine how to allocate destination pages. When migration fails for a source page, however, it frees the destination page back to the system. This patch adds a

Re: [patch v2 2/4] mm, compaction: return failed migration target pages back to freelist

2014-05-02 Thread Mel Gorman
On Thu, May 01, 2014 at 02:35:42PM -0700, David Rientjes wrote: Memory compaction works by having a freeing scanner scan from one end of a zone which isolates pages as migration targets while another migrating scanner scans from the other end of the same zone which isolates pages for

[patch] timer_stats, doc: Readout of /proc/timer_stats doesn't disable sampling

2014-05-02 Thread Michael Kerrisk (man-pages)
From: Michael Kerrisk mtk.manpa...@gmail.com Some simple testing shows that reading from /proc/timer_stats does not disable sampling. Looking back over past source code, it appears that it never did. Signed-off-by: Michael Kerrisk mtk.manpa...@gmail.com --- Documentation/timers/timer_stats.txt

Re: [ANNOUNCE] 3.14-rt1

2014-05-02 Thread Sebastian Andrzej Siewior
* Mike Galbraith | 2014-04-21 05:31:18 [+0200]: Another little bug. This hunk of patches/stomp-machine-raw-lock.patch should be while (atomic_read(done.nr_todo)) Thanks, fixed up. Sebastian -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to

Re: [patch v2 4/4] mm, thp: do not perform sync compaction on pagefault

2014-05-02 Thread Mel Gorman
On Thu, May 01, 2014 at 02:35:48PM -0700, David Rientjes wrote: Synchronous memory compaction can be very expensive: it can iterate an enormous amount of memory without aborting, constantly rescheduling, waiting on page locks and lru_lock, etc, if a pageblock cannot be defragmented.

Re: [PATCH 13/15] ASoC: SND_S3C_DMA_LEGACY needs S3C24XX_DMA

2014-05-02 Thread Heiko Stübner
Hi Arnd, Am Freitag, 2. Mai 2014, 00:35:21 schrieb Arnd Bergmann: On Thursday 01 May 2014 12:11:25 Mark Brown wrote: On Tue, Apr 29, 2014 at 07:18:34PM +0800, Xia Kaixu wrote: From: Arnd Bergmann a...@arndb.de SND_S3C_DMA_LEGACY can only be set on S3C24xx, which does not (yet)

Re: [PATCH v4 3/4] usb: ohci-exynos: Add facility to use phy provided by the generic phy framework

2014-05-02 Thread Vivek Gautam
On Fri, May 2, 2014 at 2:55 PM, Vivek Gautam gautam.vi...@samsung.com wrote: Hi Tomasz, On Thu, May 1, 2014 at 10:46 PM, Tomasz Figa tomasz.f...@gmail.com wrote: Hi Vivek, Please see my comments inline. Thanks for the review, please find my answers inline. On 30.04.2014 07:19, Vivek

Re: [PATCH 07/28] nios2: I/O Mapping

2014-05-02 Thread Ley Foon Tan
On Thu, Apr 24, 2014 at 2:02 PM, Ley Foon Tan lf...@altera.com wrote: On Tue, Apr 22, 2014 at 9:59 PM, Arnd Bergmann a...@arndb.de wrote: On Friday 18 April 2014, Ley Foon Tan wrote: + +#include asm/pgtable-bits.h + +#define IO_SPACE_LIMIT 0x Please use 0x here, this should

Re: [PATCH 6/8] irq: Add new reserved_irqs clear/mark functions

2014-05-02 Thread Thomas Gleixner
On Thu, 1 May 2014, Yinghai Lu wrote: Prepare for ioapic hotplug. Signed-off-by: Yinghai Lu ying...@kernel.org --- include/linux/irq.h | 3 +++ kernel/irq/irqdesc.c | 68 2 files changed, 71 insertions(+) diff --git

Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Rik van Riel
On 05/02/2014 03:37 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 02:30 -0400, Rik van Riel wrote: On 05/02/2014 02:13 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Whether or not this is the right thing to do remains to be seen, but it does allow us to

Re: [PATCH] DMA-API: Change dma_declare_coherent_memory() CPU address to phys_addr_t

2014-05-02 Thread Liviu Dudau
On Thu, May 01, 2014 at 03:08:12PM +0100, James Bottomley wrote: On Wed, 2014-04-30 at 14:33 -0600, Bjorn Helgaas wrote: dma_declare_coherent_memory() takes two addresses for a region of memory: a bus_addr and a device_addr. I think the intent is that bus_addr is the physical address a

Re: [PATCH/RFC v3 5/5] media: Add registration helpers for V4L2 flash sub-devices

2014-05-02 Thread Sakari Ailus
Hi Jacek, On Mon, Apr 28, 2014 at 01:25:09PM +0200, Jacek Anaszewski wrote: Hi Sakari, On 04/23/2014 05:24 PM, Sakari Ailus wrote: Hi Jacek, On Thu, Apr 17, 2014 at 10:26:44AM +0200, Jacek Anaszewski wrote: Hi Sakari, Thanks for the review. On 04/16/2014 08:21 PM, Sakari Ailus

Re: [perf] more perf_fuzzer memory corruption

2014-05-02 Thread Peter Zijlstra
On Thu, May 01, 2014 at 02:49:01PM -0400, Vince Weaver wrote: OK, humor me a bit here. I'm looking at the buggy trace and comparing against a good trace where the bug doesn't happen. It is a rance condition of sorts, because it's just a 10us or so interleaving of calls that causes the

Re: [PATCH v5 2/6] arm64: Introduce VA_BITS and translation level options

2014-05-02 Thread Christoffer Dall
On Fri, May 02, 2014 at 10:57:09AM +0900, Jungseok Lee wrote: On Thursday, May 01, 2014 7:06 PM, Christoffer Dall wrote: On Thu, May 01, 2014 at 11:33:56AM +0900, Jungseok Lee wrote: [...] + +choice + prompt Virtual address space size + default ARM64_VA_BITS_39 if ARM64_4K_PAGES

Re: [ANNOUNCE] 3.14-rt1

2014-05-02 Thread Mike Galbraith
On Fri, 2014-05-02 at 12:09 +0200, Sebastian Andrzej Siewior wrote: * Mike Galbraith | 2014-04-19 16:46:06 [+0200]: Hi Sebastian, Hi Mike, This hunk in hotplug-light-get-online-cpus.patch looks like a bug. @@ -333,7 +449,7 @@ static int __ref _cpu_down(unsigned int /*

Re: [PATCH] DMA-API: Change dma_declare_coherent_memory() CPU address to phys_addr_t

2014-05-02 Thread Liviu Dudau
On Thu, May 01, 2014 at 08:05:04PM +0100, Bjorn Helgaas wrote: [+cc Arnd] On Thu, May 1, 2014 at 8:08 AM, James Bottomley jbottom...@parallels.com wrote: On Wed, 2014-04-30 at 14:33 -0600, Bjorn Helgaas wrote: dma_declare_coherent_memory() takes two addresses for a region of memory: a

[GIT PULL] s390 patches for 3.15-rc4

2014-05-02 Thread Martin Schwidefsky
Hi Linus, please pull from the 'for-linus' branch of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git for-linus to receive the following updates: Two bug fixes, one to fix a potential information leak in the BPF jit and common-io-layer fix for old firmware levels. Martin

Re: [PATCH v2 0/4] memcg: Low-limit reclaim

2014-05-02 Thread Michal Hocko
On Wed 30-04-14 14:59:10, Andrew Morton wrote: On Mon, 28 Apr 2014 14:26:41 +0200 Michal Hocko mho...@suse.cz wrote: The series is based on top of the current mmotm tree. Once the series gets accepted I will post a patch which will mark the soft limit as deprecated with a note that it

Re: [patch v2 4/4] mm, thp: do not perform sync compaction on pagefault

2014-05-02 Thread David Rientjes
On Fri, 2 May 2014, Mel Gorman wrote: Synchronous memory compaction can be very expensive: it can iterate an enormous amount of memory without aborting, constantly rescheduling, waiting on page locks and lru_lock, etc, if a pageblock cannot be defragmented. Unfortunately, it's too

Re: [patch 0/9] mm: memcontrol: naturalize charge lifetime

2014-05-02 Thread Michal Hocko
On Wed 30-04-14 16:25:34, Johannes Weiner wrote: [...] Documentation/cgroups/memcg_test.txt | 160 +-- include/linux/memcontrol.h | 94 +- include/linux/page_cgroup.h | 43 +- include/linux/swap.h | 15 +- kernel/events/uprobes.c |1

Re: [PATCH RFC/TEST] sched: make sync affine wakeups work

2014-05-02 Thread Mike Galbraith
On Fri, 2014-05-02 at 06:56 -0400, Rik van Riel wrote: On 05/02/2014 03:37 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 02:30 -0400, Rik van Riel wrote: On 05/02/2014 02:13 AM, Mike Galbraith wrote: On Fri, 2014-05-02 at 00:42 -0400, Rik van Riel wrote: Whether or not this is the

Re: [PATCH v4 3/5] acpi_processor: do not mark present at boot but not onlined CPU as onlined

2014-05-02 Thread Igor Mammedov
On Wed, 30 Apr 2014 15:25:51 -0600 Toshi Kani toshi.k...@hp.com wrote: On Mon, 2014-04-14 at 17:11 +0200, Igor Mammedov wrote: acpi_processor_add() assumes that present at boot CPUs are always onlined, it is not so if a CPU failed to become onlined. As result acpi_processor_add() will mark

Re: [ANNOUNCE] 3.14-rt1

2014-05-02 Thread Sebastian Andrzej Siewior
* Fernando Lopez-Lezcano | 2014-04-26 11:29:04 [-0700]: Saw this a moment ago (3.14.1 + rt1, Fedora 19 laptop - I think I have seen something similar in 3.12.x-r): Yes, you did: https://lkml.org/lkml/2014/3/7/163 You did not test I've sent. Care to do so? Apr 26 11:16:11 localhost kernel: [

Re: [PATCH] drm/ttm: remove declaration of ttm_tt_cache_flush

2014-05-02 Thread Thierry Reding
On Fri, May 02, 2014 at 06:49:22PM +0900, Alexandre Courbot wrote: ttm_tt_cache_flush's implementation was removed in 2009 by commit c9c97b8c, but its declaration has been hiding in ttm_bo_driver.h since then. It has been surviving in the dark for too long now ; give it the coup de grâce.

Re: [PATCH v1.0 2/16] arcmsr: Support MSI-X interrupt

2014-05-02 Thread ching
Thanks for Dan's advice. I will revise the patch code. Next upload will be PATCH v1.1 16 patches. On Fri, 2014-05-02 at 11:31 +0300, Dan Carpenter wrote: On Wed, Apr 30, 2014 at 05:50:12PM +0800, ching wrote: From: Chingching2...@areca.com.tw Adding code for supporting MSI-X interrupt

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