Re: [PATCH resend 1/2] Documentation: move all DMA documentations into Documentaion/dma

2014-01-16 Thread Andy Shevchenko
On Thu, 2014-01-16 at 18:50 +0800, hongbo.zh...@freescale.com wrote: From: Hongbo Zhang hongbo.zh...@freescale.com Since there are already seven DMA documentations under the top Documentation/, it is better to create one dedicated directory for them. In case DMA maintainers are okay with

Re: [BUG] [ tip/sched/core ] System unresponsive after booting

2014-01-16 Thread Peter Zijlstra
On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote: Already tested. The last commits do not change the issue described above. Bummer, ok, what version of Ubuntu/rsyslogd are you using? I have a laptop around that should have some recent ubuntu on it, let me go find it. -- To

Re: [PATCH v3 tip/core/timers 0/5] Crude timer-wheel latency hacks

2014-01-16 Thread Oleg Nesterov
On 01/15, Paul E. McKenney wrote: The following five patches provide some crude timer-wheel latency patches. The whole series looks fine to me, Reviewed-by: Oleg Nesterov o...@redhat.com -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to

Re: [BUG] [ tip/sched/core ] System unresponsive after booting

2014-01-16 Thread Daniel Lezcano
On 01/16/2014 03:25 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote: Already tested. The last commits do not change the issue described above. Bummer, ok, what version of Ubuntu/rsyslogd are you using? I have a laptop around that should have some

Re: [PATCH RT 0/8] Linux 3.2.53-rt76-rc1

2014-01-16 Thread Pavel Vasilyev
16.01.2014 18:18, Steven Rostedt пишет: On Thu, 16 Jan 2014 13:41:16 +0400 Pavel Vasilyev pa...@pavlinux.ru wrote: 16.01.2014 05:58, Steven Rostedt пишет: Dear RT Folks, This is the RT stable review cycle of patch 3.2.53-rt76-rc1. Yap..., mainline is 3.2.54 ! Yeah, but I already had

Re: [PATCH v6 1/6] dt-bindings: sram: describe option to reserve parts of the memory

2014-01-16 Thread Rob Herring
On Wed, Jan 15, 2014 at 3:40 PM, Heiko Stübner he...@sntech.de wrote: Some SoCs need parts of their sram for special purposes. So while being part of the peripheral, it should not be part of the genpool controlling the sram. Therefore add an option mmio-sram-reserved to keep arbitrary portions

Re: [PATCH] Revert x86: fix 27-rc crash on vsmp due to paravirt during module load

2014-01-16 Thread Paul Gortmaker
On 14-01-16 03:44 AM, Ingo Molnar wrote: * Paul Gortmaker paul.gortma...@windriver.com wrote: This reverts commit 05e12e1c4c09cd35ac9f4e6af1e42b0036375d72. The old change from __init -- __init_or_module doesn't make sense anymore, given that the arch/x86/kernel/vsmp_64.c code is only for

Re: [PATCH] perf tools: Fix JIT profiling on heap

2014-01-16 Thread Arnaldo Carvalho de Melo
Em Thu, Jan 16, 2014 at 10:49:31AM +0900, Namhyung Kim escreveu: Gaurav reported that perf cannot profile JIT program if it executes the code on heap. This was because current map__new() only handle JIT on anon mappings - extends it to handle no_dso (heap, stack) case too. This patch

Re: [PATCH v3 tip/core/timers 0/5] Crude timer-wheel latency hacks

2014-01-16 Thread Steven Rostedt
On Wed, 15 Jan 2014 20:02:03 -0800 Paul E. McKenney paul...@linux.vnet.ibm.com wrote: Hello! The following five patches provide some crude timer-wheel latency patches. I understand that a more comprehensive solution is in progress, but in the meantime, these patches work well in cases where

Re: [PATCH] net/dt: Add support for overriding phy configuration from device tree

2014-01-16 Thread Matthew Garrett
On Thu, 2014-01-16 at 14:59 +0100, Gerhard Sittig wrote: These properties are booleans, and optional? Does it mean that you cannot _disable_ broken features? Or does it mean that you _must_ specify the non-broken features and thus break backwards compatibility? Or are these properties not

[PATCH V2] net/dt: Add support for overriding phy configuration from device tree

2014-01-16 Thread Matthew Garrett
Some hardware may be broken in interesting and board-specific ways, such that various bits of functionality don't work. This patch provides a mechanism for overriding mii registers during init based on the contents of the device tree data, allowing board-specific fixups without having to pollute

Re: [PATCH 11/11] ext4: add cross rename support

2014-01-16 Thread J. Bruce Fields
On Thu, Jan 16, 2014 at 11:54:06AM +0100, Miklos Szeredi wrote: On Wed, Jan 15, 2014 at 7:23 PM, J. Bruce Fields bfie...@fieldses.org wrote: Do you have a man page update somewhere for the two new flags? Here's the updated man page (and attached the patch) Looks good to me. Total

Re: [PATCH 1/3] ARM64: perf: add support for perf registers API

2014-01-16 Thread Jean Pihet
Will, On 15 January 2014 12:07, Will Deacon will.dea...@arm.com wrote: On Wed, Jan 15, 2014 at 10:30:48AM +, Jean Pihet wrote: Hi Will, Hi Jean, On 6 January 2014 19:30, Will Deacon will.dea...@arm.com wrote: On Mon, Dec 30, 2013 at 04:25:30PM +, Jean Pihet wrote: From: Jean

Re: [PATCH 1/4] x86, ptdump: Add the functionality to dump an arbitrary pagetable

2014-01-16 Thread Arjan van de Ven
If the *module* is really a nonmodule, IMHO it should add the information to or add other macros macros instead of reuse the MODULE_*. BTW, for macros in this file, for a nonmodule license GPL is unnecessary at all. I really fail to see what you have against machine-and-human readable data

[PATCH] pwm: Remove obsolete HAVE_PWM Kconfig symbol

2014-01-16 Thread Sascha Hauer
Before we had the PWM framework we used to have a barebone PWM api. The HAVE_PWM Kconfig symbol used to be selected by the PWM drivers to specify the PWM API is present in the kernel. Since the last legacy driver is gone the HAVE_PWM symbol can go aswell. Signed-off-by: Sascha Hauer

Re: [PATCH RT 0/8] Linux 3.2.53-rt76-rc1

2014-01-16 Thread Steven Rostedt
On Thu, 16 Jan 2014 18:36:32 +0400 Pavel Vasilyev pa...@pavlinux.ru wrote: 16.01.2014 18:18, Steven Rostedt пишет: On Thu, 16 Jan 2014 13:41:16 +0400 Pavel Vasilyev pa...@pavlinux.ru wrote: 16.01.2014 05:58, Steven Rostedt пишет: Dear RT Folks, This is the RT stable review cycle

[PATCH] clk: turn rate change failed warning into pr_debug

2014-01-16 Thread Sascha Hauer
If a rate change failed it's the opportunity of the caller to handle this. Do not spam the log with a message. Signed-off-by: Sascha Hauer s.ha...@pengutronix.de Cc: Mike Turquette mturque...@linaro.org Cc: linux-arm-ker...@lists.infradead.org Cc: linux-kernel@vger.kernel.org ---

[ANNOUNCE] 3.4.76-rt94

2014-01-16 Thread Steven Rostedt
Dear RT Folks, I'm pleased to announce the 3.4.76-rt94 stable release. This release is just an update to the new stable 3.4.76 version and no RT specific changes have been made. You can get this release via the git tree at:

[ANNOUNCE] 3.10.26-rt24

2014-01-16 Thread Steven Rostedt
Dear RT Folks, I'm pleased to announce the 3.10.26-rt24 stable release. This release is just an update to the new stable 3.10.26 version and no RT specific changes have been made. You can get this release via the git tree at:

Re: [PATCH V2] net/dt: Add support for overriding phy configuration from device tree

2014-01-16 Thread Arnd Bergmann
On Thursday 16 January 2014 09:47:11 Matthew Garrett wrote: + if (!of_property_read_u32(np, phy-mii-advertise-10half, + tmp)) { + if (tmp) { + *val |= ADVERTISE_10HALF; +

Re: [PATCH 2/3] mm/memcg: fix endless iteration in reclaim

2014-01-16 Thread Michal Hocko
On Thu 16-01-14 09:17:38, Michal Hocko wrote: On Wed 15-01-14 13:24:34, Hugh Dickins wrote: On Wed, 15 Jan 2014, Michal Hocko wrote: [...] From 560924e86059947ab9418732cb329ad149dd8f6a Mon Sep 17 00:00:00 2001 From: Michal Hocko mho...@suse.cz Date: Wed, 15 Jan 2014 11:52:09 +0100

Re: [PATCH] ARM: orion: provide C-style interrupt handler for MULTI_IRQ_HANDLER

2014-01-16 Thread Andrew Lunn
On Thu, Jan 16, 2014 at 09:10:31AM +0100, Sebastian Hesselbarth wrote: DT-enabled Marvell Kirkwood and Dove SoCs make use of an irqchip driver. As expected for irqchip drivers, it uses a C-style interrupt handler and therefore selects MULTI_IRQ_HANDLER. Now, compiling a kernel with both

Re: [ 000/102] 3.10.6-stable review

2014-01-16 Thread rahulk
Hi, I am working on Xilinx zc702 board with Kernel 3.10.0. Now i want to upgrade the kernel. While doing these upgradation activity 3.10.4 and 3.10.5 kernel with xilinx patch sucessfully run on the board. But 3.10.6 kernel with xilinx patch is not working on the board. Kernel get stuck after

Re: Re: [PATCH] Parse missing regulator constraints from device tree blob

2014-01-16 Thread Saurabh Singh
Hi Mark, Please send patches using the process in SubmittingPatches, the formatting of the submission is very important for tools like git am which people use to work with patches. As per your request sending the patch and description in git format. Please find below the patch. Regards,

Re: [BUG] [ tip/sched/core ] System unresponsive after booting

2014-01-16 Thread Daniel Lezcano
On 01/16/2014 03:25 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote: Already tested. The last commits do not change the issue described above. Bummer, ok, what version of Ubuntu/rsyslogd are you using? I have a laptop around that should have some

[PATCH] ARM: at91/dt: fix sama5d3 ohci hclk clock reference

2014-01-16 Thread Boris BREZILLON
The hclk clock of the ohci node is referencing udphs_clk instead of uhphs_clk. Signed-off-by: Boris BREZILLON b.brezil...@overkiz.com --- arch/arm/boot/dts/sama5d3.dtsi |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/sama5d3.dtsi

Re: [PATCH] scripts/gcc-version.sh: handle CC=gcc -m32

2014-01-16 Thread Michal Marek
On 15.1.2014 05:18, Rusty Russell wrote: Michal Marek mma...@suse.cz writes: On 3.1.2014 18:10, Michal Marek wrote: On 2013-12-10 08:13, Rusty Russell wrote: Without it we get ugly warnings (though build still succeeds). $ make -j8 CC=gcc -m32 In file included from command-line:0:0:

Re: [PATCH v12 0/7] cpufreq:boost: CPU Boost mode support

2014-01-16 Thread Rafael J. Wysocki
On Thursday, January 16, 2014 10:40:08 AM Lukasz Majewski wrote: Hi Rafael, On Wed, 2014-01-08 at 01:35 +0100, Rafael J. Wysocki wrote: On Tuesday, January 07, 2014 07:58:24 AM Lukasz Majewski wrote: Hi Rafael, Hi, This patch series introduces support for CPU

Re: [PATCH] dcache: fix d_splice_alias handling of aliases

2014-01-16 Thread J. Bruce Fields
On Wed, Jan 15, 2014 at 07:25:11PM +0100, Miklos Szeredi wrote: On Wed, Jan 15, 2014 at 6:57 PM, J. Bruce Fields bfie...@fieldses.org wrote: On Wed, Jan 15, 2014 at 06:34:56PM +0100, Miklos Szeredi wrote: On Wed, 2014-01-15 at 10:17 -0500, J. Bruce Fields wrote: From: J. Bruce Fields

[PATCH 4/4] sched/nohz: Fix overflow error in scheduler_tick_max_deferment()

2014-01-16 Thread Frederic Weisbecker
From: Kevin Hilman khil...@linaro.org While calculating the scheduler tick max deferment, the delta is converted from microseconds to nanoseconds through a multiplication against NSEC_PER_USEC. But this microseconds operand is an unsigned int, thus the result may likely overflow. The result is

Re: [BUG] [ tip/sched/core ] System unresponsive after booting

2014-01-16 Thread Peter Zijlstra
On Thu, Jan 16, 2014 at 03:30:34PM +0100, Daniel Lezcano wrote: On 01/16/2014 03:25 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote: Already tested. The last commits do not change the issue described above. Bummer, ok, what version of Ubuntu/rsyslogd

[PATCH v2 0/4] pinctrl: st: Add interrupt controller support.

2014-01-16 Thread srinivas.kandagatla
From: Srinivas Kandagatla srinivas.kandaga...@st.com Hi Linus W, Thankyou for reviewing v1 of the patch-set the comments were very useful. This series of v2 patches add interrupt controller support to ST pinctrl driver incorporating all the review comments. ST pin controller GPIO bank can

[PATCH 2/4] nohz: Get timekeeping max deferment outside jiffies_lock

2014-01-16 Thread Frederic Weisbecker
We don't need to fetch the timekeeping max deferment under the jiffies_lock seqlock. If the clocksource is updated concurrently while we stop the tick, stop machine is called and the tick will be reevaluated again along with uptodate jiffies and its related values. Cc: Thomas Gleixner

[PATCH v2 2/4] pinctrl: st: Add software edge trigger interrupt support.

2014-01-16 Thread srinivas.kandagatla
From: Srinivas Kandagatla srinivas.kandaga...@st.com ST pin controller does not have hardware support for detecting edge triggered interrupts, It only has level triggering support. This patch attempts to fake up edge triggers from hw level trigger support in software. With this facility now the

[PATCH v2 1/4] pinctrl: st: Add Interrupt support.

2014-01-16 Thread srinivas.kandagatla
From: Srinivas Kandagatla srinivas.kandaga...@st.com This patch add interrupt support to the pincontroller driver. ST Pincontroller GPIO bank can have one of the two possible types of interrupt-wirings. First type is via irqmux, single interrupt is used by multiple gpio banks. This reduces

[PATCH v2 3/4] ARM:STi: STiH416: Add interrupt support for pin controller

2014-01-16 Thread srinivas.kandagatla
From: Srinivas Kandagatla srinivas.kandaga...@st.com This patch adds interrupt support for STiH416 pin controllers. Signed-off-by: Srinivas Kandagatla srinivas.kandaga...@st.com --- arch/arm/boot/dts/stih416-pinctrl.dtsi | 81 1 files changed, 81

[PATCH v2 4/4] ARM:STi: STiH415: Add interrupt support for pin controller

2014-01-16 Thread srinivas.kandagatla
From: Srinivas Kandagatla srinivas.kandaga...@st.com This patch adds interrupt support for STiH415 pin controllers. Signed-off-by: Srinivas Kandagatla srinivas.kandaga...@st.com --- arch/arm/boot/dts/stih415-pinctrl.dtsi | 75 1 files changed, 75

[PATCH 3/4] nohz_full: fix code style issue of tick_nohz_full_stop_tick

2014-01-16 Thread Frederic Weisbecker
From: Alex Shi alex@linaro.org Code usually starts with 'tab' instead of 7 'space' in kernel Signed-off-by: Alex Shi alex@linaro.org Cc: Thomas Gleixner t...@linutronix.de Cc: Ingo Molnar mi...@kernel.org Cc: Peter Zijlstra pet...@infradead.org Cc: Alex Shi alex@linaro.org Cc: Steven

Re: Baytrail problems (was Re: Linux 3.13-rc8)

2014-01-16 Thread Rafael J. Wysocki
On Thursday, January 16, 2014 10:29:45 AM Linus Walleij wrote: On Thu, Jan 16, 2014 at 2:49 AM, Linus Torvalds torva...@linux-foundation.org wrote: Adding in the appropriate people... On Tue, Jan 14, 2014 at 7:01 PM, One Thousand Gnomes gno...@lxorguk.ukuu.org.uk wrote: It seems to

Re: [PATCH] mm/nobootmem: Fix unused variable

2014-01-16 Thread Philipp Hachtmann
Hi Robin, Maybe you are working off a different repo than Linus' latest? Your line 116 is my 114. Maybe the message needs to be a bit more descriptive Ah, yes. This fits Andrew's linux-next. Regards Philipp -- To unsubscribe from this list: send the line unsubscribe linux-kernel in

Re: [BUG] [ tip/sched/core ] System unresponsive after booting

2014-01-16 Thread Peter Zijlstra
On Thu, Jan 16, 2014 at 04:28:05PM +0100, Daniel Lezcano wrote: On 01/16/2014 03:25 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote: Already tested. The last commits do not change the issue described above. Bummer, ok, what version of Ubuntu/rsyslogd

Re: [PATCH 2/2] NFSv4.1: Fix a race in nfs4_write_inode

2014-01-16 Thread Peng Tao
On Tue, Jan 14, 2014 at 2:45 AM, Trond Myklebust trond.mykleb...@primarydata.com wrote: nfs4_write_inode() must not be allowed to exit until the layoutcommit is done. That means that both NFS_INO_LAYOUTCOMMIT and NFS_INO_LAYOUTCOMMITTING have to be cleared. Signed-off-by: Trond Myklebust

[PATCH] net: rds: fix per-cpu helper usage

2014-01-16 Thread Gerald Schaefer
commit ae4b46e9d net: rds: use this_cpu_* per-cpu helper broke per-cpu handling for rds. chpfirst is the result of __this_cpu_read(), so it is an absolute pointer and not __percpu. Therefore, __this_cpu_write() should not operate on chpfirst, but rather on cache-percpu-first, just like

Re: [PATCHv2 2/2] pwm: imx: support polarity inversion

2014-01-16 Thread Sascha Hauer
On Thu, Jan 16, 2014 at 09:06:25AM +0100, Lothar Waßmann wrote: The i.MX PWM controller supports inverting the polarity of the PWM output. Make this feature available in the pxm-imx driver. Signed-off-by: Lothar Waßmann l...@karo-electronics.de ---

Re: [PATCH v12 0/7] cpufreq:boost: CPU Boost mode support

2014-01-16 Thread Lukasz Majewski
Hi Rafael, On Thursday, January 16, 2014 10:40:08 AM Lukasz Majewski wrote: Hi Rafael, On Wed, 2014-01-08 at 01:35 +0100, Rafael J. Wysocki wrote: On Tuesday, January 07, 2014 07:58:24 AM Lukasz Majewski wrote: Hi Rafael, Hi, This patch series introduces

Re: [PATCH RT 0/8] Linux 3.2.53-rt76-rc1

2014-01-16 Thread Steven Rostedt
On Thu, 16 Jan 2014 18:36:32 +0400 Pavel Vasilyev pa...@pavlinux.ru wrote: $ xz -cd /tmp/patch-3.2.53-rt75-rt76-rc1.patch.xz | patch -p1 --dry-run checking file arch/arm/kernel/smp_tlb.c checking file arch/tile/include/asm/smp.h checking file arch/tile/kernel/smp.c checking file

Re: [PATCH] dcache: fix d_splice_alias handling of aliases

2014-01-16 Thread Miklos Szeredi
On Thu, Jan 16, 2014 at 4:41 PM, J. Bruce Fields bfie...@fieldses.org wrote: And, sorry, I did miss that you said non-directory. But I think you have that backwards: d_splice_alias looks like: if (inode S_ISDIR(inode-i_mode)) { ... } else {

Re: [patch/rfc] perf on raspberry-pi without overflow interrupt

2014-01-16 Thread Vince Weaver
On Wed, 15 Jan 2014, Will Deacon wrote: Hi Vince, On Tue, Jan 14, 2014 at 04:42:13AM +, Vince Weaver wrote: On Fri, 10 Jan 2014, Will Deacon wrote: In the absence of a core change, I think I'd rather have something like your second patch, but without the extra no_overflow_irq

Re: [PATCH] dcache: fix d_splice_alias handling of aliases

2014-01-16 Thread J. Bruce Fields
On Wed, Jan 15, 2014 at 10:17:49AM -0500, bfields wrote: From: J. Bruce Fields bfie...@redhat.com d_splice_alias can create duplicate directory aliases (in the !new case), or (in the new case) d_move without holding appropriate locks. d_materialise_unique deals with both of these problems.

Re: next-20140114 - BUG: spinlock wrong CPU on CPU#3, mount/597

2014-01-16 Thread Valdis . Kletnieks
On Thu, 16 Jan 2014 11:39:34 +0100, Jan Kara said: Hum, the complaint is for group-notification_waitq-lock which is an internal lock for the wait queue. Actually the corruption seems to be only a single bit flip - the whole spinlock structure looks correct, only owner_cpu got flipped from

Re: [PATCH] dcache: fix d_splice_alias handling of aliases

2014-01-16 Thread Steven Whitehouse
Hi, On Thu, 2014-01-16 at 11:10 -0500, J. Bruce Fields wrote: On Wed, Jan 15, 2014 at 10:17:49AM -0500, bfields wrote: From: J. Bruce Fields bfie...@redhat.com d_splice_alias can create duplicate directory aliases (in the !new case), or (in the new case) d_move without holding

Re: [PATCH RT 0/8] Linux 3.2.53-rt76-rc1

2014-01-16 Thread Sebastian Andrzej Siewior
On 01/16/2014 03:36 PM, Pavel Vasilyev wrote: $ xz -cd /tmp/patch-3.2.53-rt75-rt76-rc1.patch.xz | patch -p1 --dry-run … checking file include/linux/smp.h Hunk #1 succeeded at 117 with fuzz 1 (offset 16 lines). Hunk #2 FAILED at 147. 1 out of 2 hunks FAILED I just fetched the 3.2.53 tar

Re: [PATCH] tty: Fallback to use dynamic major number

2014-01-16 Thread Greg KH
On Thu, Jan 16, 2014 at 10:33:22AM +0530, Tushar Behera wrote: In a multi-platform scenario, the hard-coded major/minor numbers in serial drivers may conflict with each other. A typical scenario is observed with amba-pl011 and samsung-uart drivers, both of these drivers use same set of

Re: [Xen-devel] [PATCH v2 1/2] xen/grant-table: Avoid m2p_override during mapping

2014-01-16 Thread Stefano Stabellini
On Mon, 13 Jan 2014, Zoltan Kiss wrote: This patch does the following: - move the m2p_override part from grant_[un]map_refs to gntdev, where it is needed after mapping operations As I wrote earlier, I am not against the idea of moving the m2p_override calls in principle, but I would like to

[PATCH] ARM: moxart: move fixed rate clock child node to board level dts

2014-01-16 Thread Jonas Jensen
When a skeleton clocks { .. } remain in .dtsi, the child node can be moved to .dts, ref12 is then found by of_clk_get(). Signed-off-by: Jonas Jensen jonas.jen...@gmail.com --- Notes: Applies to next-20140116 arch/arm/boot/dts/moxart-uc7112lx.dts | 8 arch/arm/boot/dts/moxart.dtsi

[PATCH 1/4] tick: Rename tick_check_idle() to tick_irq_enter()

2014-01-16 Thread Frederic Weisbecker
This makes the code more symetric against the existing tick functions called on irq exit: tick_irq_exit() and tick_nohz_irq_exit(). These function are also symetric as they mirror each other's action: we start to account idle time on irq exit and we stop this accounting on irq entry. Also the

[RFC PATCH 2/4] vmpressure in-kernel: hack

2014-01-16 Thread Luiz Capitulino
From: Luiz capitulino lcapitul...@redhat.com 1. Allow drivers to register private data 2. Allow drivers to pass css=NULL 3. Pass level to the callback Signed-off-by: Luiz capitulino lcapitul...@redhat.com --- include/linux/vmpressure.h | 3 ++- mm/vmpressure.c| 13 + 2

[RFC PATCH 0/4] virtio_balloon: add pressure notification via a new virtqueue

2014-01-16 Thread Luiz Capitulino
The pressure notification added to the virtio-balloon driver by this series is going to be used by the host (QEMU, in this case) to implement automatic balloning support. More details in patch 3/4 and patch 4/4. Patch 1/4 adds in-kernel vmpressure support and is not really part of this series,

[PATCH] acpi memory hotplug, add parameter to disable memory hotplug [v5]

2014-01-16 Thread Prarit Bhargava
When booting a kdump kernel on a system that has specific memory hotplug regions the boot will fail with warnings like: [2.939467] swapper/0: page allocation failure: order:9, mode:0x84d0 [2.946564] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-65.el7.x86_64 #1 [2.954532] Hardware

Re: [PATCH] MODSIGN: Fix including certificate twice when the signing_key.x509

2014-01-16 Thread Michal Marek
On 15.1.2014 05:39, Rusty Russell wrote: Lee, Chun-Yi joeyli.ker...@gmail.com writes: From: Chun-Yi Lee j...@suse.com v2: Using '$(shell /bin/pwd)' instead of '$(shell pwd)' for more reliable between different shells Hmm, that's not a great test for equality. How about: ifneq

[GIT PULL] tick: A few more cleanups

2014-01-16 Thread Frederic Weisbecker
Ingo, Please pull the timers/core branch that can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git timers/core HEAD: 8fe8ff09ce3b5750e1f3e45a1f4a81d59c7ff1f1 Nothing very exiting, just a bunch of non-critical cleanups for the next merge

[RFC PATCH 1/4] vmpressure: in-kernel notifications

2014-01-16 Thread Luiz Capitulino
From: Glauber Costa glom...@openvz.org During the past weeks, it became clear to us that the shrinker interface we have right now works very well for some particular types of users, but not that well for others. The latter are usually people interested in one-shot notifications, that were forced

[RFC PATCH 3/4] virtio_balloon: add pressure notification via a new virtqueue

2014-01-16 Thread Luiz Capitulino
From: Luiz capitulino lcapitul...@redhat.com This commit adds support to a new virtqueue called message virtqueue. The message virtqueue can be used by guests to notify the host about important memory-related state changes in the guest. Currently, the only implemented notification is the guest

[RFC PATCH 4/4] virtio_balloon: skip inflation if guest is under pressure

2014-01-16 Thread Luiz Capitulino
From: Luiz capitulino lcapitul...@redhat.com This is necessary for automatic ballooning. If the guest gets under pressure while there's an on-going inflation operation, we want the guest to do the following: 1. Stop on-going inflation 2. Notify the host we're under pressure 3. Wait for host's

Re: [LSF/MM TOPIC] [ATTEND] scsi-mq

2014-01-16 Thread Sagi Grimberg
On 1/16/2014 1:05 AM, Nicholas A. Bellinger wrote: Hi all, I'd like to discuss the current state of scsi-mq prototype code. And now that blk-mq is upstream for v3.13, exploring the remaining TODO items towards an initial scsi-mq merge sometime before 2015 is upon us. The benefits of scsi-mq

Re: [PATCH 4/5] dt/bindings: remove device_type network references

2014-01-16 Thread Grant Likely
On Wed, 11 Dec 2013 15:17:37 +0100, Michal Simek mon...@monstr.eu wrote: On 12/11/2013 12:15 PM, Grant Likely wrote: device_type is deprecated and the kernel doesn't require it in most cases. The only exceptions for flat tree users are the gianfar, ucc_geth and ibm,emac bindings, and

Re: [PATCH net-next 2/2] reciprocal_divide: correction/update of the algorithm

2014-01-16 Thread Christoph Lameter
On Thu, 16 Jan 2014, Daniel Borkmann wrote: - * or else the performance is slower than a normal divide. - */ -extern u32 reciprocal_value(u32 B); +struct reciprocal_value { + u32 m; + u8 sh1, sh2; +}; +#define RECIPROCAL_VALUE_RESULT_TO_ZERO ((struct reciprocal_value){.sh1 =

Re: [PATCH] mm/nobootmem: Fix unused variable

2014-01-16 Thread Robin Holt
Since your patch set is the _ONLY_ thing that introduces #ifdef's inside functions within this file, I would think you would be better off making get_allocated_memblock_reserved_regions_info() and get_allocated_memblock_memory_regions_info be static inline functions when #ifdef

Re: [PATCH v3] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN

2014-01-16 Thread Stefano Stabellini
On Thu, 9 Jan 2014, Will Deacon wrote: On Thu, Jan 09, 2014 at 12:47:24PM +, Stefano Stabellini wrote: On Thu, 9 Jan 2014, Arnd Bergmann wrote: On Thursday 09 January 2014, Will Deacon wrote: On Wed, Jan 08, 2014 at 06:00:23PM +, Stefano Stabellini wrote: Remove

Re: [PATCH] net: sk == 0xffffffff fix - not for commit

2014-01-16 Thread Eric Dumazet
On Thu, 2014-01-16 at 16:21 +0100, Andrzej Pietrasiewicz wrote: W dniu 10.12.2013 15:25, Eric Dumazet pisze: On Tue, 2013-12-10 at 07:55 +0100, Andrzej Pietrasiewicz wrote: W dniu 09.12.2013 16:31, Eric Dumazet pisze: On Mon, 2013-12-09 at 12:47 +0100, Andrzej Pietrasiewicz wrote: NOT FOR

BUG: sleeping function called from invalid context at block/blk-core.c:1690

2014-01-16 Thread Petr Janecek
Hello, the crash happended ~11s after start of rsync from remote site (on a slow link) to local xfs. Before that, local backups (rsync ext4 - xfs, ext4 - btrfs) had run. The xfs is on lvm on md raid1 of two disks. The only other thing running on this server were idle win7 in kvm. The system is

Re: [PATCH RFC 04/10] base: power: Add generic OF-based power domain look-up

2014-01-16 Thread Lorenzo Pieralisi
Hi Tomasz, thank you for posting this series. I would like to use the DT bindings for power domains in the bindings for C-states on ARM: http://comments.gmane.org/gmane.linux.power-management.general/41012 and in particular link a given C-state to a given power domain so that the kernel will

Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.

2014-01-16 Thread Christoph Lameter
On Tue, 14 Jan 2014, Dave Hansen wrote: On 01/14/2014 12:07 PM, Christoph Lameter wrote: One easy way to shrink struct page is to simply remove the feature. The patchset looked a bit complicated and does many other things. Sure. There's a clear path if you only care about 'struct page'

Re: [PATCH] dcache: fix d_splice_alias handling of aliases

2014-01-16 Thread J. Bruce Fields
On Thu, Jan 16, 2014 at 04:15:42PM +, Steven Whitehouse wrote: Hi, On Thu, 2014-01-16 at 11:10 -0500, J. Bruce Fields wrote: On Wed, Jan 15, 2014 at 10:17:49AM -0500, bfields wrote: From: J. Bruce Fields bfie...@redhat.com d_splice_alias can create duplicate directory aliases

Re: [PATCH] ARM: orion: provide C-style interrupt handler for MULTI_IRQ_HANDLER

2014-01-16 Thread Jason Cooper
Sebastian, On Thu, Jan 16, 2014 at 09:10:31AM +0100, Sebastian Hesselbarth wrote: DT-enabled Marvell Kirkwood and Dove SoCs make use of an irqchip driver. As expected for irqchip drivers, it uses a C-style interrupt handler and therefore selects MULTI_IRQ_HANDLER. Now, compiling a kernel

[PATCH] sched: Fix __sched_setscheduler() nice test

2014-01-16 Thread Peter Zijlstra
Subject: sched: Fix __sched_setscheduler() nice test With the introduction of sched_attr::sched_nice we need to check if we've got permission to actually change the nice value. Daniel found that can_nice() would always fail; and upon inspection it turns out that can_nice() only tests to see if

Re: [PATCH] dcache: fix d_splice_alias handling of aliases

2014-01-16 Thread Bob Peterson
- Original Message - | Something like this? (snip) | @@ -779,6 +782,11 @@ static struct dentry *__gfs2_lookup(struct inode *dir, | struct dentry *dentry, | } | | d = d_splice_alias(inode, dentry); | + if (IS_ERR(d)) { | + iput(inode); | +

Re: [PATCH] ARM: orion: provide C-style interrupt handler for MULTI_IRQ_HANDLER

2014-01-16 Thread Jason Cooper
On Thu, Jan 16, 2014 at 04:51:27PM +, Ian Campbell wrote: On Thu, 2014-01-16 at 11:48 -0500, Jason Cooper wrote: Sebastian, On Thu, Jan 16, 2014 at 09:10:31AM +0100, Sebastian Hesselbarth wrote: DT-enabled Marvell Kirkwood and Dove SoCs make use of an irqchip driver. As expected

Re: [RFC][PATCH 2/9] mm: slub: abstract out double cmpxchg option

2014-01-16 Thread Christoph Lameter
On Tue, 14 Jan 2014, Dave Hansen wrote: On 01/14/2014 11:49 AM, Christoph Lameter wrote: On Tue, 14 Jan 2014, Dave Hansen wrote: I found this useful to have in my testing. I would like to have it available for a bit, at least until other folks have had a chance to do some testing with

Re: [PATCH resend 1/2] Documentation: move all DMA documentations into Documentaion/dma

2014-01-16 Thread Vinod Koul
On Thu, Jan 16, 2014 at 06:50:04PM +0800, hongbo.zh...@freescale.com wrote: From: Hongbo Zhang hongbo.zh...@freescale.com Since there are already seven DMA documentations under the top Documentation/, it is better to create one dedicated directory for them. Well the problem is that not

Re: [BUG] [ tip/sched/core ] System unresponsive after booting

2014-01-16 Thread Daniel Lezcano
On 01/16/2014 04:48 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 04:28:05PM +0100, Daniel Lezcano wrote: On 01/16/2014 03:25 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote: Already tested. The last commits do not change the issue described above.

[Update][RFC][PATCH 2/3] PM / runtime: Routine for checking device status during system suspend

2014-01-16 Thread Rafael J. Wysocki
On Thursday, January 16, 2014 03:32:51 PM Mika Westerberg wrote: On Wed, Jan 15, 2014 at 12:14:46AM +0100, Rafael J. Wysocki wrote: From: Rafael J. Wysocki rafael.j.wyso...@intel.com Add a new helper routine, pm_runtime_enabled_and_suspended(), to allow subsystems (or PM domains) to

Re: [PATCH 9/9] printk: Hand over printing to console if printing too long

2014-01-16 Thread Jan Kara
On Wed 15-01-14 14:23:47, Andrew Morton wrote: On Mon, 23 Dec 2013 21:39:30 +0100 Jan Kara j...@suse.cz wrote: Currently, console_unlock() prints messages from kernel printk buffer to console while the buffer is non-empty. When serial console is attached, printing is slow and thus other

RE: [PATCH V2 1/1] Drivers: hv: Implement the file copy service

2014-01-16 Thread KY Srinivasan
-Original Message- From: Olaf Hering [mailto:o...@aepfle.de] Sent: Thursday, January 16, 2014 1:42 AM To: KY Srinivasan Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; de...@linuxdriverproject.org; a...@canonical.com; jasow...@redhat.com Subject: Re: [PATCH V2 1/1]

RE: [PATCH V2 1/1] Drivers: hv: Implement the file copy service

2014-01-16 Thread KY Srinivasan
-Original Message- From: Olaf Hering [mailto:o...@aepfle.de] Sent: Thursday, January 16, 2014 2:17 AM To: KY Srinivasan Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; de...@linuxdriverproject.org; a...@canonical.com; jasow...@redhat.com Subject: Re: [PATCH V2 1/1]

Re: [RFC 04/18] driver core of: Mark of_nodes of added device as populated

2014-01-16 Thread Grant Likely
On Wed, 8 Jan 2014 11:28:01 -0600, Rob Herring robherri...@gmail.com wrote: On Mon, Dec 23, 2013 at 10:23 AM, Pawel Moll pawel.m...@arm.com wrote: In Device Tree powered systems, platform devices are usually massively populated with of_platform_populate() call, executed at some level of

Re: [PATCH V4 0/2] mm/memblock: Excluded memory

2014-01-16 Thread Philipp Hachtmann
Patch fits Andrew's linux-next. -- 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 http://www.tux.org/lkml/

Re: [PATCH] mm/nobootmem: Fix unused variable

2014-01-16 Thread Robin Holt
Argh. Thought I had changed that to plain text mode before sending. Sorry for the noise, Robin On Thu, Jan 16, 2014 at 9:45 AM, Robin Holt robinmh...@gmail.com wrote: I can not see how this works. How is the return from get_allocated_memblock_reserved_regions_info() stored and used without

Re: [BUG] [ tip/sched/core ] System unresponsive after booting

2014-01-16 Thread Daniel Lezcano
On 01/16/2014 04:42 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 03:30:34PM +0100, Daniel Lezcano wrote: On 01/16/2014 03:25 PM, Peter Zijlstra wrote: On Thu, Jan 16, 2014 at 03:20:20PM +0100, Daniel Lezcano wrote: Already tested. The last commits do not change the issue described above.

RE: [PATCH V2 1/1] Drivers: hv: Implement the file copy service

2014-01-16 Thread KY Srinivasan
-Original Message- From: Olaf Hering [mailto:o...@aepfle.de] Sent: Thursday, January 16, 2014 2:49 AM To: KY Srinivasan Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; de...@linuxdriverproject.org; a...@canonical.com; jasow...@redhat.com Subject: Re: [PATCH V2 1/1]

Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.

2014-01-16 Thread Dave Hansen
On 01/16/2014 08:44 AM, Christoph Lameter wrote: On Tue, 14 Jan 2014, Dave Hansen wrote: On 01/14/2014 12:07 PM, Christoph Lameter wrote: One easy way to shrink struct page is to simply remove the feature. The patchset looked a bit complicated and does many other things. Sure. There's a

Re: [PATCH] tty: Fallback to use dynamic major number

2014-01-16 Thread Mark Brown
On Thu, Jan 16, 2014 at 08:18:41AM -0800, Greg KH wrote: On Thu, Jan 16, 2014 at 10:33:22AM +0530, Tushar Behera wrote: In a multi-platform scenario, the hard-coded major/minor numbers in serial drivers may conflict with each other. A typical scenario is observed with amba-pl011 and

Re: [RFC][PATCH 2/9] mm: slub: abstract out double cmpxchg option

2014-01-16 Thread Dave Hansen
On 01/16/2014 08:45 AM, Christoph Lameter wrote: On Tue, 14 Jan 2014, Dave Hansen wrote: With the current code, if you wanted to turn off the double-cmpxchg abd get a 56-byte 'struct page' how would you do it? Can you do it with a .config, or do you need to hack the code? Remove

Re: [PATCH] ARM: orion: provide C-style interrupt handler for MULTI_IRQ_HANDLER

2014-01-16 Thread Ian Campbell
On Thu, 2014-01-16 at 11:48 -0500, Jason Cooper wrote: Sebastian, On Thu, Jan 16, 2014 at 09:10:31AM +0100, Sebastian Hesselbarth wrote: DT-enabled Marvell Kirkwood and Dove SoCs make use of an irqchip driver. As expected for irqchip drivers, it uses a C-style interrupt handler and

Re: [RFC 06/18] regmap: Formalise use of non-bus context

2014-01-16 Thread Grant Likely
On Thu, 09 Jan 2014 13:08:31 +, Pawel Moll pawel.m...@arm.com wrote: On Tue, 2013-12-24 at 12:45 +, Mark Brown wrote: I'd note that I wasn't CCed on most of this series so I'm not entirely sure what it's trying to do. Apologies. The series is quite long and I didn't want to bother

Re: [patch/rfc] perf on raspberry-pi without overflow interrupt

2014-01-16 Thread Vince Weaver
On Tue, 14 Jan 2014, Peter Zijlstra wrote: On Mon, Jan 13, 2014 at 11:55:17PM -0500, Vince Weaver wrote: I don't see an existing pmu capabilities struct... or do you mean coming up with one? Yeah, adding one. So would it be a struct, or just an integer with flags? Would it only hold

[RFC][PATCH 0/2] preempt: Track unmatched preempt_enable() to preempt_disable()

2014-01-16 Thread Steven Rostedt
Back in the original real-time patch there was a nice debug feature that tracked where preemption was disabled and not matched by a preempt enable. This information made debugging scheduling while atomic much easier, especially when a function was buried in a function chain that happened just

Re: [RFC 06/18] regmap: Formalise use of non-bus context

2014-01-16 Thread Pawel Moll
On Thu, 2014-01-16 at 17:09 +, Grant Likely wrote: First of all, it's just a generalization of the free_context already existing in regmap_bus (and used by regmap-mmio). And in case of this series it is being used to release extra resource added allocated for a busless regmap_config.

[RFC][PATCH 2/2] preempt: Show preempt disable stack on schedule bugs

2014-01-16 Thread Steven Rostedt
From: Steven Rostedt (Red Hat) rost...@goodmis.org There's been a few times where a function was called that did not have a matching preempt_enable() for the preempt_disable(). For example, if a function deep in a call chain was called, and did a preempt_disable() but due to an early exit of the

[PATCH 4/4] ARM: sun6i: dt: Add SPI controllers to the A31 DTSI

2014-01-16 Thread Maxime Ripard
The A31 has 4 SPI controllers. Add them in the DTSI. Signed-off-by: Maxime Ripard maxime.rip...@free-electrons.com --- arch/arm/boot/dts/sun6i-a31.dtsi | 40 1 file changed, 40 insertions(+) diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi

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