Re: [tip:irq/core] powerpc: eeh: Fixup the brown paperbag fallout of the cleanup

2014-03-04 Thread Benjamin Herrenschmidt
On Tue, 2014-03-04 at 15:15 -0800, tip-bot for Thomas Gleixner wrote: Commit-ID: 57310c3c99eb6fab2ecbd63aa3f7c323341ca77e Gitweb: http://git.kernel.org/tip/57310c3c99eb6fab2ecbd63aa3f7c323341ca77e Author: Thomas Gleixner t...@linutronix.de AuthorDate: Wed, 5 Mar 2014 00:06:11 +0100

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

2014-03-04 Thread Stephen Rothwell
Hi John, On Wed, 5 Mar 2014 10:16:27 +1100 Stephen Rothwell s...@canb.auug.org.au wrote: If I revert commit 161d78555435 Revert Staging: rtl8812ae: remove modules field of rate_control_ops, it fails differently: In file included from drivers/staging/wlan-ng/p80211netdev.c:91:0:

[PATCH 5/7 v2] staging: cxt1e1: fix checkpatch errors with open brace '{'

2014-03-04 Thread Daeseok Youn
clean up checkpatch.pl error in linux.c: ERROR: that open brace { should be on the previous line Signed-off-by: Daeseok Youn daeseok.y...@gmail.com --- drivers/staging/cxt1e1/linux.c | 67 --- 1 files changed, 21 insertions(+), 46 deletions(-) diff --git

Re: [PATCH 05/48] percpu: Add preemption checks to __this_cpu ops

2014-03-04 Thread Steven Rostedt
On Tue, 4 Mar 2014 14:27:27 -0800 Andrew Morton a...@linux-foundation.org wrote: On Fri, 14 Feb 2014 14:18:46 -0600 Christoph Lameter c...@linux.com wrote: [Patch depends on another patch in this series that introduces raw_cpu_ops] We define a check function in order to avoid trouble

Re: [PATCH 1/1] mm: use macros from compiler.h instead of __attribute__((...))

2014-03-04 Thread Stephen Rothwell
Hi Andrew, On Tue, 4 Mar 2014 13:26:04 -0800 Andrew Morton a...@linux-foundation.org wrote: On Sun, 2 Mar 2014 19:09:58 +0530 Gideon Israel Dsouza gidisr...@gmail.com wrote: To increase compiler portability there is linux/compiler.h which provides convenience macros for various gcc

Re: [tip:irq/core] powerpc: eeh: Fixup the brown paperbag fallout of the cleanup

2014-03-04 Thread Thomas Gleixner
On Wed, 5 Mar 2014, Benjamin Herrenschmidt wrote: On Tue, 2014-03-04 at 15:15 -0800, tip-bot for Thomas Gleixner wrote: Commit-ID: 57310c3c99eb6fab2ecbd63aa3f7c323341ca77e Gitweb: http://git.kernel.org/tip/57310c3c99eb6fab2ecbd63aa3f7c323341ca77e Author: Thomas Gleixner

Re: [PATCH 5/5] arm64: add early_ioremap support

2014-03-04 Thread Rob Herring
On Tue, Mar 4, 2014 at 2:08 PM, Mark Salter msal...@redhat.com wrote: Add support for early IO or memory mappings which are needed before the normal ioremap() is usable. This also adds fixmap support for permanent fixed mappings such as that used by the earlyprintk device register region. One

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

2014-03-04 Thread Stephen Rothwell
Hi Lee, On Tue, 4 Mar 2014 16:06:55 +0800 Lee Jones lee.jo...@linaro.org wrote: After merging the mfd-lj tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/mfd/tps65218: struct i2c_device_id is 32 bytes. The last of 1 is: 0x74 0x70 0x73 0x36 0x35 0x32

RE: [PATCH v2] usb: gadget: return the right length in ffs_epfile_io()

2014-03-04 Thread Liu, Chuansheng
Hi Balbi, -Original Message- From: Felipe Balbi [mailto:ba...@ti.com] Sent: Wednesday, March 05, 2014 3:56 AM To: Michal Nazarewicz Cc: Robert Baldyga; Felipe Balbi; Sergei Shtylyov; Liu, Chuansheng; gre...@linuxfoundation.org; linux-...@vger.kernel.org;

Re: Closing on the CR2 leak bug

2014-03-04 Thread Steven Rostedt
On Tue, 04 Mar 2014 14:34:00 -0800 H. Peter Anvin h...@zytor.com wrote: So we need to get something into x86/urgent for the CR2 bug. It seems like a no-brainer to do the hoisting patch, for which I prefer the version proposed by Jiri Olsa which reads %cr2 and then passes it to

[GIT PULL] EFI mixed mode support

2014-03-04 Thread Matt Fleming
Peter, I've got the mixed mode support in two branches. 'mixed-mode' is a clean topic branch against -rc3, which will generate conflicts when you merge it with the EFI 'next' branch. I performed the merge myself in 'mixed-mode-merged' so you can take a look there to see how I resolved the

Re: Closing on the CR2 leak bug

2014-03-04 Thread H. Peter Anvin
On 03/04/2014 03:41 PM, Steven Rostedt wrote: The only other issue is if perf traces from function context and traces the trace_do_page_fault() call. But other than that, sure, take Jiri's patch. Is there a known codepath on which that can happen? -hpa -- To unsubscribe from this

Re: [PATCH 31/48] uv: Replace __get_cpu_var

2014-03-04 Thread Steven Rostedt
On Tue, 4 Mar 2014 15:02:17 -0800 Andrew Morton a...@linux-foundation.org wrote: On Fri, 14 Feb 2014 14:19:12 -0600 Christoph Lameter c...@linux.com wrote: Use __this_cpu_read instead. ... --- linux.orig/arch/x86/include/asm/uv/uv_hub.h 2014-02-03 14:16:53.987889372 -0600

Re: [PATCH] MAINTAINERS: add maintainers for arm64 acpi

2014-03-04 Thread Catalin Marinas
On Tue, Mar 04, 2014 at 10:59:46AM +, Grant Likely wrote: On Tue, Mar 4, 2014 at 6:23 PM, Catalin Marinas catalin.mari...@arm.com wrote: On Tue, Mar 04, 2014 at 02:15:45AM +, Graeme Gregory wrote: +ACPI ARM64 That's a pretty broad statement for a single file. Is it core support,

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

2014-03-04 Thread Greg KH
On Wed, Mar 05, 2014 at 10:21:09AM +1100, Stephen Rothwell wrote: Hi John, On Wed, 5 Mar 2014 10:16:27 +1100 Stephen Rothwell s...@canb.auug.org.au wrote: If I revert commit 161d78555435 Revert Staging: rtl8812ae: remove modules field of rate_control_ops, it fails differently: In

Re: [PATCH 31/48] uv: Replace __get_cpu_var

2014-03-04 Thread Andrew Morton
On Tue, 4 Mar 2014 18:42:10 -0500 Steven Rostedt rost...@goodmis.org wrote: --- a/arch/x86/include/asm/uv/uv_hub.h~uv-replace-__get_cpu_var-fix +++ a/arch/x86/include/asm/uv/uv_hub.h @@ -618,7 +618,7 @@ struct uv_cpu_nmi_s { }; DECLARE_PER_CPU(struct uv_cpu_nmi_s, __uv_cpu_nmi);

[GIT PULL] EFI urgent fix

2014-03-04 Thread Matt Fleming
Please pull the following fix from Borislav that fixes a boot regression for SGI UV. The following changes since commit 09503379dc99535b1bbfa51aa1aeef340f5d82ec: x86/efi: Check status field to validate BGRT header (2014-02-14 10:07:15 +) are available in the git repository at:

[PATCH] net: sched: dev_deactivate_many(): use msleep(1) instead of yield() to wait for outstanding qdisc_run calls

2014-03-04 Thread Marc Kleine-Budde
On PREEMPT_RT enabled systems the interrupt handler run as threads at prio 50 (by default). If a high priority userspace process tries to shut down a busy network interface it might spin in a yield loop waiting for the device to become idle. With the interrupt thread having a lower priority than

Re: [PATCH] MAINTAINERS: add maintainers for arm64 acpi

2014-03-04 Thread Catalin Marinas
On Tue, Mar 04, 2014 at 07:03:18PM +, Graeme Gregory wrote: On Tue, Mar 04, 2014 at 10:23:16AM +, Catalin Marinas wrote: On Tue, Mar 04, 2014 at 02:15:45AM +, Graeme Gregory wrote: +ACPI ARM64 That's a pretty broad statement for a single file. Is it core support,

Re: [PATCH v5] can: xilinx CAN controller support.

2014-03-04 Thread Sören Brinkmann
Hi Kedar, On Tue, 2014-03-04 at 06:50PM +0530, Kedareswara rao Appana wrote: This patch adds xilinx CAN controller support. This driver supports both ZYNQ CANPS and Soft IP AXI CAN controller. [...] diff --git a/Documentation/devicetree/bindings/net/can/xilinx_can.txt

RCU stalls when running out of memory on 3.14-rc4 w/ NFS and kernel threads priorities changed

2014-03-04 Thread Florian Fainelli
Hi all, I am seeing the following RCU stalls messages appearing on an ARMv7 4xCPUs system running 3.14-rc4: [ 42.974327] INFO: rcu_sched detected stalls on CPUs/tasks: [ 42.979839] (detected by 0, t=2102 jiffies, g=4294967082, c=4294967081, q=516) [ 42.987169] INFO: Stall ended before

Re: mm: kernel BUG at mm/huge_memory.c:2785!

2014-03-04 Thread Sasha Levin
linked in: [ 2208.716206] CPU: 34 PID: 3736 Comm: trinity-c209 Tainted: GW 3.14.0-rc5-next-20140304-sasha-9-geaa4df0 #77 [ 2208.717637] task: 880ff90c8000 ti: 880ff90c6000 task.ti: 880ff90c6000 [ 2208.718742] RIP: 0010:[812a53d6] [812a53d6

Re: fs: gpf in simple_setattr

2014-03-04 Thread Sasha Levin
On 03/03/2014 04:40 PM, Jan Kara wrote: On Sat 01-03-14 15:05:21, Sasha Levin wrote: ping again? I've been working on it, but don't see an obvious issue. It does look like an access to invalid memory easily doable from userspace, so it should probably get fixed soon... Hum, can you maybe

Re: [PATCH 00/12] Thunderbolt hotplug support for Apple hardware (testers needed)

2014-03-04 Thread Andreas Noever
On Tue, Mar 4, 2014 at 1:09 AM, Matthew Garrett mj...@srcf.ucam.org wrote: Actually, turns out there's a much easier way. Can you try this patch? I see the Thunderbolt controller after resume, although it doesn't seem to be in a working state. commit 102547d63e2cbbda42a25f650df9a33cf929a385

Re: Closing on the CR2 leak bug

2014-03-04 Thread Steven Rostedt
On Tue, 04 Mar 2014 15:44:26 -0800 H. Peter Anvin h...@zytor.com wrote: On 03/04/2014 03:41 PM, Steven Rostedt wrote: The only other issue is if perf traces from function context and traces the trace_do_page_fault() call. But other than that, sure, take Jiri's patch. Is there a

[PATCH] Add option to build with -O3

2014-03-04 Thread Jon Ringle
Signed-off-by: Jon Ringle jrin...@gridpoint.com --- Makefile | 2 ++ init/Kconfig | 19 --- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 78209ee..e7f0b3c 100644 --- a/Makefile +++ b/Makefile @@ -581,6 +581,8 @@ all: vmlinux ifdef

[PATCH 2/3] devicetree: bindings: drop pinctrl PMU reg property

2014-03-04 Thread Sebastian Hesselbarth
Marvell Dove's pinctrl does require some PMU regs for muxing PMU functions to MPP pins. Recently, a discussion started about consolidating Power Management Unit (PMU) into a single DT node. As we don't want anymore DT ABI in the way, drop the corresponding reg property from pinctrl binding

[PATCH 0/3] pinctrl: mvebu: prepare for single PMU node

2014-03-04 Thread Sebastian Hesselbarth
This is a small patch set preparing a discussion and rework for the Power Management Unit (PMU) found on Marvell Dove SoCs. We are planing to consolidate PMU into a single DT node instead of chopping it into tiny pieces [1]. As we just have taken in patches for pinctrl driver that grab another

[PATCH 3/3] pinctrl: mvebu: silence WARN to dev_warn

2014-03-04 Thread Sebastian Hesselbarth
Pinctrl will WARN on missing DT resources, which is a little bit too noisy. Use dev_warn with FW_BUG instead. Signed-off-by: Sebastian Hesselbarth sebastian.hesselba...@gmail.com --- Cc: Russell King li...@arm.linux.org.uk Cc: Jason Cooper ja...@lakedaemon.net Cc: Andrew Lunn and...@lunn.ch Cc:

Re: Update of file offset on write() etc. is non-atomic with I/O

2014-03-04 Thread Al Viro
On Tue, Mar 04, 2014 at 01:17:50PM -0800, Linus Torvalds wrote: On Tue, Mar 4, 2014 at 12:00 PM, Al Viro v...@zeniv.linux.org.uk wrote: OK, with the attached set (the first one is essentially unchanged from your first one), it seems to work and produce better code on all targets I've

[tip:x86/urgent] x86, trace: Fix CR2 corruption when tracing page faults

2014-03-04 Thread tip-bot for Jiri Olsa
Commit-ID: 0ac09f9f8cd1fb028a48330edba6023d347d3cea Gitweb: http://git.kernel.org/tip/0ac09f9f8cd1fb028a48330edba6023d347d3cea Author: Jiri Olsa jo...@redhat.com AuthorDate: Fri, 28 Feb 2014 17:05:26 +0100 Committer: H. Peter Anvin h...@linux.intel.com CommitDate: Tue, 4 Mar 2014

Re: [PATCH v4 5/6] timerfd: Add support for deferrable timers

2014-03-04 Thread Thomas Gleixner
On Tue, 4 Mar 2014, Andy Lutomirski wrote: On Tue, Mar 4, 2014 at 2:11 PM, Thomas Gleixner t...@linutronix.de wrote: We do no add another random special case syscall for timerfd just because timerfd is linux specific. What syscalls? I can think of exactly two timer interfaces that

[PATCH 1/3] ARM: dove: drop pinctrl PMU reg property

2014-03-04 Thread Sebastian Hesselbarth
Marvell Dove's pinctrl does require some PMU regs for muxing PMU functions to MPP pins. Recently, a discussion started about consolidating Power Management Unit (PMU) into a single DT node. As we don't want anymore DT ABI in the way, drop the corresponding reg property from pinctrl node now. The

Re: [PATCH net RESEND] vlan: don't allow to add VLAN on VLAN device

2014-03-04 Thread Ben Hutchings
On Thu, 2014-02-27 at 19:45 -0800, John Fastabend wrote: On 2/27/2014 6:43 PM, Ding Tianhong wrote: I run these steps: modprobe 8021q vconfig add eth2 20 vconfig add eth2.20 20 ifconfig eth2 xx.xx.xx.xx then the Call Trace happened: [...]

Re: [PATCH] ACPI / hotplug / PCI: Use pci_device_is_present()

2014-03-04 Thread Rafael J. Wysocki
On Tuesday, March 04, 2014 10:23:58 AM Mika Westerberg wrote: On Mon, Mar 03, 2014 at 01:19:25AM +0100, Rafael J. Wysocki wrote: From: Rafael J. Wysocki rafael.j.wyso...@intel.com Make the ACPI-based PCI hotplug (ACPIPHP) code use pci_device_is_present() for checking if devices are

Re: [PATCH 31/48] uv: Replace __get_cpu_var

2014-03-04 Thread H. Peter Anvin
On 03/04/2014 03:02 PM, Andrew Morton wrote: On Fri, 14 Feb 2014 14:19:12 -0600 Christoph Lameter c...@linux.com wrote: Use __this_cpu_read instead. --- linux.orig/arch/x86/include/asm/uv/uv_hub.h 2014-02-03 14:16:53.987889372 -0600 +++ linux/arch/x86/include/asm/uv/uv_hub.h

Re: [PATCH] ACPI / hotplug: Rework deferred execution of acpi_device_hotplug()

2014-03-04 Thread Rafael J. Wysocki
On Tuesday, March 04, 2014 12:53:05 PM Toshi Kani wrote: On Sat, 2014-03-01 at 20:57 +, Rafael J. Wysocki wrote: From: Rafael J. Wysocki rafael.j.wyso...@intel.com Since the only function executed by acpi_hotplug_execute() is acpi_device_hotplug() and it only is called by the ACPI

Re: [RFC][PATCH] audit: Simplify by assuming the callers socket buffer is large enough

2014-03-04 Thread David Miller
From: ebied...@xmission.com (Eric W. Biederman) Date: Tue, 04 Mar 2014 14:41:16 -0800 If we really want the ability to always appened to the queue of skb's is to just have a version of netlink_send_skb that ignores the queued limits. Of course an evil program then could force the generation

Re: [PATCH V6 Resend 1/5] cpufreq: suspend governors on system suspend/hibernate

2014-03-04 Thread Rafael J. Wysocki
On Tuesday, March 04, 2014 11:00:26 AM Viresh Kumar wrote: This patch adds cpufreq suspend/resume calls to dpm_{suspend|resume}() for handling suspend/resume of cpufreq governors. Lan Tianyu (Intel) Jinhyuk Choi (Broadcom) found an issue where tunables configuration for clusters/sockets

[PATCH RT 1/8] rcutree/rcu_bh_qs: disable irq while calling rcu_preempt_qs()

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Tiejun Chen tiejun.c...@windriver.com Any callers to the function rcu_preempt_qs() must disable irqs in order to protect the assignment to -rcu_read_unlock_special. In RT case,

[PATCH RT 4/8] kernel/hrtimer: be non-freezeable in cpu_chill()

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de Since we replaced msleep() by hrtimer I see now and then (rarely) this: | [] Waiting for /dev to be fully populated... |

[PATCH RT 0/8] Linux 3.8.13.14-rt28-rc1

2014-03-04 Thread Steven Rostedt
Dear RT Folks, This is the RT stable review cycle of patch 3.8.13.14-rt28-rc1. Please scream at me if I messed something up. Please test the patches too. The -rc release will be uploaded to kernel.org and will be deleted when the final release is out. This is just a review release (or release

[PATCH RT 5/8] arm/unwind: use a raw_spin_lock

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de Mostly unwind is done with irqs enabled however SLUB may call it with irqs disabled while creating a new SLUB cache. I had system

[PATCH RT 8/8] Linux 3.8.13.14-rt28-rc1

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt (Red Hat) rost...@goodmis.org --- localversion-rt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/localversion-rt b/localversion-rt index

Re: [PATCH 00/12] Thunderbolt hotplug support for Apple hardware (testers needed)

2014-03-04 Thread Matthew Garrett
On Wed, Mar 05, 2014 at 12:59:54AM +0100, Andreas Noever wrote: I belive that the patch has the same effect as passing acpi_osi=! acpi_osi=Darwin to the kernel. The problem with that approach is that it changes the firmware behaviour quite a lot. In particular it prevents Linux from

[PATCH RT 3/8] rt: Make cpu_chill() use hrtimer instead of msleep()

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt rost...@goodmis.org Ulrich Obergfell pointed out that cpu_chill() calls msleep() which is woken up by the ksoftirqd running the TIMER softirq. But as the cpu_chill()

[PATCH RT 7/8] rcu: Eliminate softirq processing from rcutree

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Paul E. McKenney paul...@linux.vnet.ibm.com Running RCU out of softirq is a problem for some workloads that would like to manage RCU core processing independently of other softirq

Re: [PATCH] irq-gic: remove file name from heading comment

2014-03-04 Thread Thomas Gleixner
On Wed, 5 Mar 2014, Sergei Shtylyov wrote: Hello. On 01/15/2014 02:49 AM, Sergei Shtylyov wrote: File names in the heading comments fell out of favor long ago, and this one weren't even changed when the driver was moved from arch/arm/common/, so remove it at last...

[PATCH RT 6/8] net: ip_send_unicast_reply: add missing local serialization

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Nicholas Mc Guire der.h...@hofr.at in response to the oops in ip_output.c:ip_send_unicast_reply under high network load with CONFIG_PREEMPT_RT_FULL=y, reported by Sami Pietikainen

[PATCH RT 2/8] Revert x86: Disable IST stacks for debug/int 3/stack fault for PREEMPT_RT

2014-03-04 Thread Steven Rostedt
3.8.13.14-rt28-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de where do I start. Let me explain what is going on here. The code sequence | pushf | pop%edx | or $0x1,%dh | push %edx |

[PATCH RT 2/6] Revert x86: Disable IST stacks for debug/int 3/stack fault for PREEMPT_RT

2014-03-04 Thread Steven Rostedt
3.4.82-rt101-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de where do I start. Let me explain what is going on here. The code sequence | pushf | pop%edx | or $0x1,%dh | push %edx | mov

Re: [PATCH 2/6] mm: add get_pageblock_migratetype_nolock() for cases where locking is undesirable

2014-03-04 Thread Joonsoo Kim
On Tue, Mar 04, 2014 at 01:16:56PM +0100, Vlastimil Babka wrote: On 03/04/2014 01:55 AM, Joonsoo Kim wrote: On Mon, Mar 03, 2014 at 02:54:09PM +0100, Vlastimil Babka wrote: On 03/03/2014 09:22 AM, Joonsoo Kim wrote: On Fri, Feb 28, 2014 at 03:15:00PM +0100, Vlastimil Babka wrote: In order to

[PATCH RT 1/6] rcutree/rcu_bh_qs: disable irq while calling rcu_preempt_qs()

2014-03-04 Thread Steven Rostedt
3.4.82-rt101-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Tiejun Chen tiejun.c...@windriver.com Any callers to the function rcu_preempt_qs() must disable irqs in order to protect the assignment to -rcu_read_unlock_special. In RT case,

[PATCH RT 6/6] Linux 3.4.82-rt101-rc1

2014-03-04 Thread Steven Rostedt
3.4.82-rt101-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt (Red Hat) rost...@goodmis.org --- localversion-rt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/localversion-rt b/localversion-rt index

[PATCH RT 5/6] arm/unwind: use a raw_spin_lock

2014-03-04 Thread Steven Rostedt
3.4.82-rt101-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de Mostly unwind is done with irqs enabled however SLUB may call it with irqs disabled while creating a new SLUB cache. I had system

[PATCH RT 3/6] rt: Make cpu_chill() use hrtimer instead of msleep()

2014-03-04 Thread Steven Rostedt
3.4.82-rt101-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt rost...@goodmis.org Ulrich Obergfell pointed out that cpu_chill() calls msleep() which is woken up by the ksoftirqd running the TIMER softirq. But as the cpu_chill()

[PATCH RT 4/6] kernel/hrtimer: be non-freezeable in cpu_chill()

2014-03-04 Thread Steven Rostedt
3.4.82-rt101-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de Since we replaced msleep() by hrtimer I see now and then (rarely) this: | [] Waiting for /dev to be fully populated... |

[PATCH RT 0/6] Linux 3.4.82-rt101-rc1

2014-03-04 Thread Steven Rostedt
Dear RT Folks, This is the RT stable review cycle of patch 3.4.82-rt101-rc1. Please scream at me if I messed something up. Please test the patches too. The -rc release will be uploaded to kernel.org and will be deleted when the final release is out. This is just a review release (or release

Re: [PATCH 5/7] staging: cxt1e1: fix checkpatch errors with open brace '{'

2014-03-04 Thread Greg KH
On Tue, Mar 04, 2014 at 11:10:44AM +0900, Daeseok Youn wrote: clean up checkpatch.pl error in linux.c: ERROR: that open brace { should be on the previous line Signed-off-by: Daeseok Youn daeseok.y...@gmail.com --- drivers/staging/cxt1e1/linux.c | 67

[PATCH RT 0/6] Linux 3.2.55-rt79-rc1

2014-03-04 Thread Steven Rostedt
Dear RT Folks, This is the RT stable review cycle of patch 3.2.55-rt79-rc1. Please scream at me if I messed something up. Please test the patches too. The -rc release will be uploaded to kernel.org and will be deleted when the final release is out. This is just a review release (or release

[PATCH RT 2/6] Revert x86: Disable IST stacks for debug/int 3/stack fault for PREEMPT_RT

2014-03-04 Thread Steven Rostedt
3.2.55-rt79-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de where do I start. Let me explain what is going on here. The code sequence | pushf | pop%edx | or $0x1,%dh | push %edx | mov

[PATCH RT 1/6] rcutree/rcu_bh_qs: disable irq while calling rcu_preempt_qs()

2014-03-04 Thread Steven Rostedt
3.2.55-rt79-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Tiejun Chen tiejun.c...@windriver.com Any callers to the function rcu_preempt_qs() must disable irqs in order to protect the assignment to -rcu_read_unlock_special. In RT case,

[PATCH RT 3/6] rt: Make cpu_chill() use hrtimer instead of msleep()

2014-03-04 Thread Steven Rostedt
3.2.55-rt79-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt rost...@goodmis.org Ulrich Obergfell pointed out that cpu_chill() calls msleep() which is woken up by the ksoftirqd running the TIMER softirq. But as the cpu_chill() is

[PATCH RT 6/6] Linux 3.2.55-rt79-rc1

2014-03-04 Thread Steven Rostedt
3.2.55-rt79-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt (Red Hat) rost...@goodmis.org --- localversion-rt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/localversion-rt b/localversion-rt index

[PATCH RT 4/6] kernel/hrtimer: be non-freezeable in cpu_chill()

2014-03-04 Thread Steven Rostedt
3.2.55-rt79-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de Since we replaced msleep() by hrtimer I see now and then (rarely) this: | [] Waiting for /dev to be fully populated... |

[PATCH RT 5/6] arm/unwind: use a raw_spin_lock

2014-03-04 Thread Steven Rostedt
3.2.55-rt79-rc1 stable review patch. If anyone has any objections, please let me know. -- From: Sebastian Andrzej Siewior bige...@linutronix.de Mostly unwind is done with irqs enabled however SLUB may call it with irqs disabled while creating a new SLUB cache. I had system

[PATCH] phy: fix compiler array bounds warning on settings[]

2014-03-04 Thread Bjorn Helgaas
With -Werror=array-bounds, gcc v4.7.x warns that in phy_find_valid(), the settings[] array subscript is above array bounds, I think because idx is a signed integer and if the caller supplied idx 0, we pass the guard but still reference out of bounds. Fix this by making idx unsigned here and

Re: [PATCH 2/6] mm: add get_pageblock_migratetype_nolock() for cases where locking is undesirable

2014-03-04 Thread Joonsoo Kim
On Fri, Feb 28, 2014 at 03:15:00PM +0100, Vlastimil Babka wrote: In order to prevent race with set_pageblock_migratetype, most of calls to get_pageblock_migratetype have been moved under zone-lock. For the remaining call sites, the extra locking is undesirable, notably in free_hot_cold_page().

Re: [PATCH v2 1/2] Staging: comedi: introduce {outl,inl}_amcc() and {outl,inl}_iobase() helper functions in hwdrv_apci1564.c

2014-03-04 Thread Greg KH
On Mon, Mar 03, 2014 at 12:27:55PM +0300, Dan Carpenter wrote: On Sun, Mar 02, 2014 at 08:52:19PM -0600, Chase Southwood wrote: This patch introduces a few simple outl and inl helper functions to allow several lines which violate the character limit to be shortened appropriately. It also

Re: [RFC] [PATCH] Pre-emption control for userspace

2014-03-04 Thread Thomas Gleixner
On Tue, 4 Mar 2014, Khalid Aziz wrote: be in the right control group. Besides they want to use a common mechanism across multiple OSs and pre-emption delay is already in use on other OSs. Good idea though. Well, just because preemption delay is a mechanism exposed by some other OS does not

Re: [PATCH 3/6] mm: add is_migrate_isolate_page_nolock() for cases where locking is undesirable

2014-03-04 Thread Joonsoo Kim
On Fri, Feb 28, 2014 at 03:15:01PM +0100, Vlastimil Babka wrote: This patch complements the addition of get_pageblock_migratetype_nolock() for the case where is_migrate_isolate_page() cannot be called with zone-lock held. A race with set_pageblock_migratetype() may be detected, in which case

[PATCH] irqchip: Remove asmlinkage from static functions

2014-03-04 Thread Stephen Boyd
LTO patches add __visible to the asmlinkage define, causing compilation warnings like: drivers/irqchip/irq-gic.c:283:1: warning: 'externally_visible' attribute have effect only on public objects [-Wattributes] Drop asmlinkage here to avoid such warnings. Reported-by: Olof's autobuilder

Re: [PATCH] Revert irqchip: irq-dove: Add PMU interrupt controller.

2014-03-04 Thread Russell King - ARM Linux
On Tue, Mar 04, 2014 at 05:32:40AM +, Jason Cooper wrote: -static void dove_pmu_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - struct irq_domain *d = irq_get_handler_data(irq); - struct irq_chip_generic *gc = irq_get_domain_generic_chip(d, 0); - u32 stat =

Re: [PATCH v4 5/6] timerfd: Add support for deferrable timers

2014-03-04 Thread Andy Lutomirski
On Tue, Mar 4, 2014 at 4:10 PM, Thomas Gleixner t...@linutronix.de wrote: On Tue, 4 Mar 2014, Andy Lutomirski wrote: On Tue, Mar 4, 2014 at 2:11 PM, Thomas Gleixner t...@linutronix.de wrote: We do no add another random special case syscall for timerfd just because timerfd is linux specific.

Re: [PATCH] phy: fix compiler array bounds warning on settings[]

2014-03-04 Thread Florian Fainelli
2014-03-04 16:35 GMT-08:00 Bjorn Helgaas bhelg...@google.com: With -Werror=array-bounds, gcc v4.7.x warns that in phy_find_valid(), the settings[] array subscript is above array bounds, I think because idx is a signed integer and if the caller supplied idx 0, we pass the guard but still

Re: [PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread Zoltan Kiss
Despite all my efforts to do renumbering right, this subject still shows 9/9 instead of 10/10. On 04/03/14 22:32, Zoltan Kiss wrote: Unmapping causes TLB flushing, therefore we should make it in the largest possible batches. However we shouldn't starve the guest for too long. So if the guest

Re: RCU stalls when running out of memory on 3.14-rc4 w/ NFS and kernel threads priorities changed

2014-03-04 Thread Eric Dumazet
On Tue, 2014-03-04 at 15:55 -0800, Florian Fainelli wrote: Hi all, I am seeing the following RCU stalls messages appearing on an ARMv7 4xCPUs system running 3.14-rc4: [ 42.974327] INFO: rcu_sched detected stalls on CPUs/tasks: [ 42.979839] (detected by 0, t=2102 jiffies,

Re: [RFC] [PATCH] Pre-emption control for userspace

2014-03-04 Thread Andi Kleen
Thomas Gleixner t...@linutronix.de writes: On Tue, 4 Mar 2014, Khalid Aziz wrote: be in the right control group. Besides they want to use a common mechanism across multiple OSs and pre-emption delay is already in use on other OSs. Good idea though. Well, just because preemption delay is a

[GIT PULL] tracing: Do not add event files for modules that fail tracepoints

2014-03-04 Thread Steven Rostedt
Linus, In the past, I've had lots of reports about trace events not working. Developers would say they put a trace_printk() before and after the trace event but when they enable it (and the trace event said it was enabled) they would see the trace_printks but not the trace event. I was not able

Re: [PATCH 5/7] staging: cxt1e1: fix checkpatch errors with open brace '{'

2014-03-04 Thread DaeSeok Youn
Hi, greg I already resend patch 4 and 5. :-) It had a bug which is noticed by Dan. I tried to fix assignment in if condition and missed curly brace in inner loop. So I fixed that bug and resend patch 4. And patch 5 is rebased after fixing patch 4. And I tested to apply these patch to

Lennart Poettering and his software, a simple explaination (cartoon):

2014-03-04 Thread Arnold Bird
Lennart Poettering and his software, a simple explaination (cartoon): archive.rebeccablacktech.com/boards/g/img/0406/33/1393881561558.png That is all that needs to be said. _ Free e-mail, simple, clean and easy to use. Visit

Re: [PATCH] cgroup: missing rcu read lock around task_css_set

2014-03-04 Thread Li Zefan
On 2014/3/5 3:47, Tejun Heo wrote: On Tue, Mar 04, 2014 at 12:20:45PM -0500, Sasha Levin wrote: Hrm... there is a PF_EXITING check there already: #define task_css_set_check(task, __c)\ rcu_dereference_check((task)-cgroups,\

Re: [RFC][PATCH] clocksource: avoid unnecessary overflow in cyclecounter_cyc2ns()

2014-03-04 Thread John Stultz
On Tue, Mar 4, 2014 at 3:10 PM, Mike Galbraith bitbuc...@online.de wrote: On Tue, 2014-03-04 at 14:40 +0800, John Stultz wrote: On Tue, Mar 4, 2014 at 1:38 PM, Mike Galbraith bitbuc...@online.de wrote: (crap crap crap... M.A.I.N.T.A.I.N.E.R.S _dummy_) clocksource: avoid unnecessary

Re: [PATCH] perf kvm: introduce --list-cmds for use by scripts

2014-03-04 Thread David Ahern
On 3/3/14, 6:26 PM, Ramkumar Ramachandra wrote: Introduce $ perf kvm --list-cmds to dump a raw list of commands for use by the completion script. In order to do this, introduce parse_options_subcommand() for handling subcommands as a special case in the parse-options machinery. Cc: David

[PATCH] irqchip: Silence sparse warning

2014-03-04 Thread Stephen Boyd
drivers/irqchip/irqchip.c:27:13: warning: symbol 'irqchip_init' was not declared. Should it be static? Signed-off-by: Stephen Boyd sb...@codeaurora.org --- drivers/irqchip/irqchip.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/irqchip/irqchip.c b/drivers/irqchip/irqchip.c index

Re: [PATCH v12] gpio: add a driver for the Synopsys DesignWare APB GPIO block

2014-03-04 Thread Linus Walleij
On Wed, Feb 26, 2014 at 7:01 AM, Alan Tull delicious.qui...@gmail.com wrote: From: Jamie Iles ja...@jamieiles.com The Synopsys DesignWare block is used in some ARM devices (picoxcell) and can be configured to provide multiple banks of GPIO pins. Signed-off-by: Jamie Iles ja...@jamieiles.com

[PATCH] irqchip: gic: Silence sparse warnings

2014-03-04 Thread Stephen Boyd
drivers/irqchip/irq-gic.c:53:23: warning: duplicate [noderef] drivers/irqchip/irq-gic.c:651:6: warning: symbol 'gic_raise_softirq' was not declared. Should it be static? drivers/irqchip/irq-gic.c:872:29: warning: symbol 'gic_irq_domain_ops' was not declared. Should it be static?

Re: Question on vhost_has_feature()

2014-03-04 Thread Paul E. McKenney
On Tue, Mar 04, 2014 at 09:56:42AM +0200, Michael S. Tsirkin wrote: On Mon, Mar 03, 2014 at 11:44:23AM -0800, Paul E. McKenney wrote: Hello, Michael, Just curious about the purpose of the rcu_dereference_index_check() in vhost_has_feature(). I don't see how it fits in. The closest

Re: [PATCH 5/7] staging: cxt1e1: fix checkpatch errors with open brace '{'

2014-03-04 Thread Greg KH
On Wed, Mar 05, 2014 at 09:55:14AM +0900, DaeSeok Youn wrote: Hi, greg I already resend patch 4 and 5. :-) It had a bug which is noticed by Dan. I tried to fix assignment in if condition and missed curly brace in inner loop. So I fixed that bug and resend patch 4. And patch 5 is

Re: RCU stalls when running out of memory on 3.14-rc4 w/ NFS and kernel threads priorities changed

2014-03-04 Thread Florian Fainelli
2014-03-04 16:48 GMT-08:00 Eric Dumazet eric.duma...@gmail.com: On Tue, 2014-03-04 at 15:55 -0800, Florian Fainelli wrote: Hi all, I am seeing the following RCU stalls messages appearing on an ARMv7 4xCPUs system running 3.14-rc4: [ 42.974327] INFO: rcu_sched detected stalls on

Re: [PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread David Miller
From: Zoltan Kiss zoltan.k...@citrix.com Date: Wed, 5 Mar 2014 00:45:49 + Despite all my efforts to do renumbering right, this subject still shows 9/9 instead of 10/10. No worries. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to

Re: [PATCH 2/2] staging :keucr:scsiglue.c : fixed a macros should not be colon terminated issue

2014-03-04 Thread Greg KH
On Sun, Mar 02, 2014 at 06:21:16PM +0530, Keerthimai Janarthanan wrote: fixed a coding style issue. Signed-off-by: Keerthimai Janarthanan keerthima...@gmail.com --- drivers/staging/keucr/scsiglue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git

Re: [PATCH 3.10 00/97] 3.10.33-stable review

2014-03-04 Thread Guenter Roeck
On 03/04/2014 12:03 PM, Greg Kroah-Hartman wrote: This is the start of the stable review cycle for the 3.10.33 release. There are 97 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 3.13 000/172] 3.13.6-stable review

2014-03-04 Thread Guenter Roeck
On 03/04/2014 12:01 PM, Greg Kroah-Hartman wrote: This is the start of the stable review cycle for the 3.13.6 release. There are 172 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: [blk-lib] 6a0608544e5: fileio -77.4% max latency, -5.7% throughput

2014-03-04 Thread Fengguang Wu
On Tue, Mar 04, 2014 at 01:52:25PM -0800, Kent Overstreet wrote: On Tue, Mar 04, 2014 at 09:21:30PM +0800, Fengguang Wu wrote: Hi Kent, FYI, we noticed the below changes on git://evilpiepirate.org/~kent/linux-bcache.git for-jens commit 6a0608544e5672bd9a044c285119547eae41abe5

Re: RCU stalls when running out of memory on 3.14-rc4 w/ NFS and kernel threads priorities changed

2014-03-04 Thread Florian Fainelli
2014-03-04 17:03 GMT-08:00 Florian Fainelli f.faine...@gmail.com: 2014-03-04 16:48 GMT-08:00 Eric Dumazet eric.duma...@gmail.com: On Tue, 2014-03-04 at 15:55 -0800, Florian Fainelli wrote: Hi all, I am seeing the following RCU stalls messages appearing on an ARMv7 4xCPUs system running

Re: [PATCH 1/2] pinctrl: sh-pfc: r8a7790: Add alternative MSIOF pin groups

2014-03-04 Thread Linus Walleij
On Fri, Feb 21, 2014 at 3:53 AM, Geert Uytterhoeven ge...@linux-m68k.org wrote: From: Geert Uytterhoeven geert+rene...@linux-m68k.org Signed-off-by: Geert Uytterhoeven geert+rene...@linux-m68k.org Patch applied with Lauren's ACK. Yours, Linus Walleij -- To unsubscribe from this list: send

Re: [PATCH 5/7] staging: cxt1e1: fix checkpatch errors with open brace '{'

2014-03-04 Thread DaeSeok Youn
OK. I send patches again. Thanks. Daeseok Youn. 2014-03-05 10:06 GMT+09:00 Greg KH gre...@linuxfoundation.org: On Wed, Mar 05, 2014 at 09:55:14AM +0900, DaeSeok Youn wrote: Hi, greg I already resend patch 4 and 5. :-) It had a bug which is noticed by Dan. I tried to fix assignment in if

Re: [PATCH v3 03/11] perf: provide a common perf_event_nop_0() for use with .event_idx

2014-03-04 Thread Michael Ellerman
On Mon, 2014-03-03 at 23:01 -0800, Cody P Schafer wrote: On 03/03/2014 09:19 PM, Michael Ellerman wrote: On Thu, 2014-27-02 at 21:04:56 UTC, Cody P Schafer wrote: Rather an having every pmu that needs a function that just returns 0 for .event_idx define their own copy, reuse the one in

Re: [PATCH v5 7/7] pci: Add support for creating a generic host_bridge from device tree

2014-03-04 Thread Jingoo Han
On Wednesday, March 05, 2014 12:50 AM, Liviu Dudau wrote: Several platforms use a rather generic version of parsing the device tree to find the host bridge ranges. Move the common code into the generic PCI code and use it to create a pci_host_bridge structure that can be used by arch code.

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