Re: [PATCHSET 00/13] tracing/uprobes: Add support for more fetch methods (v6)

2013-11-12 Thread Namhyung Kim
Hi Oleg and Masami, On Sat, 9 Nov 2013 16:23:13 +0100, Oleg Nesterov wrote: On 11/09, Masami Hiramatsu wrote: In that case, I suggest you to use @+addr for the relative address, since that is an offset, isn't that? :) Agreed, @+addr looks better! Looks good to me too. BTW, it seems that

Re: [PATCH] clk: add flags to distinguish xtal clocks

2013-11-12 Thread Luca Coelho
On Mon, 2013-11-11 at 21:59 +0100, Maxime Ripard wrote: Hi Luca, On Mon, Nov 11, 2013 at 09:50:56PM +0200, Luca Coelho wrote: On Mon, 2013-11-11 at 13:42 -0600, Felipe Balbi wrote: + if (of_property_read_bool(node, clock-xtal)) + flags |= CLK_IS_TYPE_XTAL; +

Re: CONFIG_NO_HZ_FULL + CONFIG_PREEMPT_RT_FULL = nogo

2013-11-12 Thread Mike Galbraith
On Thu, 2013-11-07 at 14:13 +0100, Thomas Gleixner wrote: On Thu, 7 Nov 2013, Frederic Weisbecker wrote: On Thu, Nov 07, 2013 at 12:21:11PM +0100, Thomas Gleixner wrote: Though it's not a full solution. It needs some thought versus the softirq code of timers. Assume we have only one

Re: [Results] [RFC PATCH v4 00/40] mm: Memory Power Management

2013-11-12 Thread Srivatsa S. Bhat
On 09/26/2013 06:28 PM, Srivatsa S. Bhat wrote: On 09/26/2013 05:10 AM, Andrew Morton wrote: On Thu, 26 Sep 2013 04:56:32 +0530 Srivatsa S. Bhat srivatsa.b...@linux.vnet.ibm.com wrote: Experimental Results: Test setup: -- x86 Sandybridge dual-socket quad

Re: [PATCH 1/1] Add strong pullup emulation to w1-gpio master driver.

2013-11-12 Thread David Fries
On Tue, Nov 12, 2013 at 05:07:14AM +0400, Evgeny Boger wrote: +David Fries da...@fries.net Hi David, Would you please comment on this? On Mon, Nov 11, 2013 at 06:36:54PM +0400, Evgeny Boger wrote: Strong pullup is emulated by driving pin logic high after write command when using

Re: [PATCH 0/3 - V2] Introducing Device Tree Overlays

2013-11-12 Thread Pantelis Antoniou
Hi Grant, On Nov 11, 2013, at 6:04 PM, Grant Likely wrote: On Thu, 7 Nov 2013 21:46:26 +0100, Sebastian Andrzej Siewior sebast...@breakpoint.cc wrote: On 07.11.13, Pantelis Antoniou wrote: Hi Sebastian, Hi Pantelis, FWIW DT has been ported to x86. And is present on arm/powerpc/mips/arc

Re: [patch 4/7 v2] export more efi table variable to sysfs

2013-11-12 Thread Dave Young
On 11/11/13 at 04:40pm, Greg KH wrote: On Tue, Nov 05, 2013 at 04:20:11PM +0800, dyo...@redhat.com wrote: Export fw_vendor, runtime and config tables physical addresses to /sys/firmware/efi/systab becaue kexec kernel will need them. sysfs files are one-value-per-file. Please don't

Re: [patch 4/7 v2] export more efi table variable to sysfs

2013-11-12 Thread Dave Young
On 11/12/13 at 04:19pm, Dave Young wrote: On 11/11/13 at 04:40pm, Greg KH wrote: On Tue, Nov 05, 2013 at 04:20:11PM +0800, dyo...@redhat.com wrote: Export fw_vendor, runtime and config tables physical addresses to /sys/firmware/efi/systab becaue kexec kernel will need them. sysfs

Re: [PATCH] [sched]: pick the NULL entity caused the panic.

2013-11-12 Thread Peter Zijlstra
On Tue, Nov 12, 2013 at 06:38:24AM +, Wang, Xiaoming wrote: Dear Paul How about moving cfs_rq-nr_running into loop. What I worried is that cfs_rq-nr_running may zero because cfs_rq is coming from cfs_rq = group_cfs_rq(se) again. We haven't known the reproduction exactly, panic

[PATCH] block: cmdline-parser: perfect cmdline format checking

2013-11-12 Thread Caizhiyong
From: Cai Zhiyong caizhiy...@huawei.com Date: Tue, 12 Nov 2013 15:50:42 +0800 Subject: [PATCH] block: cmdline-parser: perfect cmdline format checking -Fix compile warning with value and function undeclared. this reported by fengguang...@intel.com and Randy Dunlap rdun...@infradead.org

Re: [PATCH v3 1/3] OF: Introduce Device Tree resolve support.

2013-11-12 Thread Pantelis Antoniou
On Nov 11, 2013, at 7:17 PM, Grant Likely wrote: On Fri, 8 Nov 2013 17:06:08 +0200, Pantelis Antoniou pa...@antoniou-consulting.com wrote: Introduce support for dynamic device tree resolution. Using it, it is possible to prepare a device tree that's been loaded on runtime to be modified

Re: [PATCH 0/2] genirq: arm64: perf: support for percpu pmu interrupt

2013-11-12 Thread Thomas Gleixner
On Tue, 12 Nov 2013, Vinayak Kale wrote: On Mon, Nov 11, 2013 at 4:14 PM, Will Deacon will.dea...@arm.com wrote: cleaner from a user perspective, I always get scared when I see 'desc-status_use_accessors' since it tends to incur the wrath of tglx :) Nah, if it uses accessors, then it's fine.

Re: [PATCH] [RESEND][TRIVIAL] treewide: fix occurrences of the the

2013-11-12 Thread Arend van Spriel
On 11/12/2013 06:10 AM, Michael Opdenacker wrote: Fix all occurrences of the the in the source code, comments and documentation. The replacement couldn't be automated because sometimes the first the was meant to be another word. Example: according the the meaning: according to the Note that

Re: [patch 4/7 v2] export more efi table variable to sysfs

2013-11-12 Thread Greg KH
On Tue, Nov 12, 2013 at 04:24:01PM +0800, Dave Young wrote: On 11/12/13 at 04:19pm, Dave Young wrote: On 11/11/13 at 04:40pm, Greg KH wrote: On Tue, Nov 05, 2013 at 04:20:11PM +0800, dyo...@redhat.com wrote: Export fw_vendor, runtime and config tables physical addresses to

[PATCH] arch: avr32: uapi: be sure of _UAPI prefix for all guard macros

2013-11-12 Thread Chen Gang
For all uapi headers, need use _UAPI prefix for its guard macro (which will be stripped by scripts/headers_installer.sh). Also remove redundant files (bitsperlong.h, errno.h, fcntl.h, ioctl.h, ioctls.h, ipcbuf.h, kvm_para.h, mman.h, poll.h, resource.h, siginfo.h, statfs.h, and unistd.h) which are

Re: [PATCH 1/2] PCI: Do not use PCI ID macros in quirk names

2013-11-12 Thread Michal Marek
On 11.11.2013 14:40, Michal Marek wrote: Pasting the verbatim PCI_(VENDOR|DEVICE)_* macros in the __pci_fixup_* symbol names results in insanely long names such as __pci_fixup_resumePCI_VENDOR_ID_SERVERWORKSPCI_DEVICE_ID_SERVERWORKS_HT1000SBquirk_disable_broadcom_boot_interrupt When LTO

Re: [PATCH 10/10] perf tests: Use lower sample_freq in sw clock event period test

2013-11-12 Thread Namhyung Kim
Hi Adrian, On Tue, 12 Nov 2013 09:07:36 +0200, Adrian Hunter wrote: On 11/11/13 22:22, Arnaldo Carvalho de Melo wrote: From: Arnaldo Carvalho de Melo a...@redhat.com We were using it at 10 kHz, which doesn't work in machines where somehow the max freq was auto reduced by the kernel:

Re: [PATCH v3 3/3] DT: proc: Add runtime overlay interface in /proc

2013-11-12 Thread Pantelis Antoniou
Hi Grant, On Nov 11, 2013, at 7:47 PM, Grant Likely wrote: On Fri, 8 Nov 2013 17:06:10 +0200, Pantelis Antoniou pa...@antoniou-consulting.com wrote: Add a runtime interface to /proc to enable generic device tree overlay usage. Two new /proc files are added: /proc/device-tree-overlay

Re: [PATCH 0/2] DaVinci: GPIO: fixes

2013-11-12 Thread Grygorii Strashko
Hi Sekhar, On 11/12/2013 08:18 AM, Sekhar Nori wrote: On Monday 11 November 2013 09:13 PM, Grygorii Strashko wrote: Hi Sekhar, Prabhakar Lad On 11/08/2013 08:45 AM, Prabhakar Lad wrote: From: Lad, Prabhakar prabhakar.cse...@gmail.com This patch series fixes gpio driver regestration and

Re: [patch 1/6] hardirq: Make hardirq bits generic

2013-11-12 Thread schmitz
Thomas, If you look at the probability of the first two checks catching anything, then it's pretty low. Most interrupts returns go through ret_from_exception. Yes, I added counters which prove that at least on the aranym, but I doubt that it will make a real difference if you run this on real

Re: Re: Re: [PATCH RFC 2/6] arm64: Kprobes with single stepping support

2013-11-12 Thread Sandeepa Prabhu
On 12 November 2013 12:57, Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote: (2013/11/12 15:23), Sandeepa Prabhu wrote: OK, I've ensured that the hw_breakpoint (from perf) can work with kprobes (from ftrace) at the same address on x86. So if arm64 already support hw_breakpoint on perf,

Re: [RFC 9/9] of/irq: create interrupts-extended property

2013-11-12 Thread Grant Likely
On Tue, 12 Nov 2013 17:49:37 +1000, Peter Crosthwaite peter.crosthwa...@xilinx.com wrote: Hi Grant, On Tue, Nov 12, 2013 at 4:54 PM, Grant Likely grant.lik...@linaro.org wrote: On Tue, 12 Nov 2013 08:58:15 +1000, Peter Crosthwaite peter.crosthwa...@xilinx.com wrote: Hi Grant, On

Re: [tip:x86/asm] x86, bitops: Change bitops to be native operand size

2013-11-12 Thread Geert Uytterhoeven
On Tue, Nov 12, 2013 at 5:08 AM, Joe Perches j...@perches.com wrote: On Tue, 2013-11-12 at 12:15 +0900, Linus Torvalds wrote: Talking about ideal implementation is also singularly stupid. I just want the various arch implementations to match the docs. I know that's stupid. Maybe if you

Re: [PATCH v2 1/2] mmc: arasan: Add driver for Arasan SDHCI

2013-11-12 Thread Michal Simek
Hi Chris, On 11/06/2013 10:41 PM, Sören Brinkmann wrote: Hi Chris, any comments from your side? Could you consider applying it to your tree, please? any update on this one? What's the naming convention we should follow? Is sdhci-of-arasan.c OK? Or should we use sdhci-arasan.c instead?

Re: linux-next: manual merge of the random tree with the net-next tree

2013-11-12 Thread Daniel Borkmann
Hi Stephen, On 11/12/2013 05:55 AM, Stephen Rothwell wrote: Hi Ted, Today's linux-next merge of the random tree got a conflict in drivers/char/random.c between commit 0244ad004a54 (random32: add prandom_reseed_late() and call when nonblocking pool becomes initialized) from the net-next tree

[PATCH] arch: blackfin: uapi: be sure of _UAPI prefix for all guard macros

2013-11-12 Thread Chen Gang
For all uapi headers, need use _UAPI prefix for its guard macro (which will be stripped by scripts/headers_installer.sh). Also be sure that all files have their guard macros. Also be sure that all #endif are followed with comments, and no '\t' for guard macro Signed-off-by: Chen Gang

Re: mm/zswap: change to writethrough

2013-11-12 Thread Bob Liu
On 11/12/2013 03:12 AM, Dan Streetman wrote: Seth, have you (or anyone else) considered making zswap a writethrough cache instead of writeback? I think that it would significantly help the case where zswap fills up and starts writing back its oldest pages to disc - all the decompression work

Re: 3.12: raid-1 mismatch_cnt question

2013-11-12 Thread Justin Piszcz
On Mon, Nov 11, 2013 at 7:39 PM, Brad Campbell lists2...@fnarfbargle.com wrote: On 11/07/2013 06:54 PM, Justin Piszcz wrote: On Mon, Nov 4, 2013 at 5:25 AM, Justin Piszcz jpis...@lucidpixels.com wrote: Hi, I run two SSDs in a RAID-1 configuration and I have a swap partition on a third

RE: [PATCH v3 0/2] ARC: Add perf support for ARC700 cores

2013-11-12 Thread Mischa Jonker
Hi Peter, Please find v3 of my attempt to add support for perf for ARC700 PMU's. If possible, it would be nice to get some feedback on the implementation from non-ARC/Synopsys people familiar with the perf subsystem in Linux. Anything in particular you wanted feedback on? It looks like

Re: [patch 1/6] hardirq: Make hardirq bits generic

2013-11-12 Thread Thomas Gleixner
On Mon, 11 Nov 2013, Andreas Schwab wrote: Thomas Gleixner t...@linutronix.de writes: And I can see ever repeating IRQ 13 flags 0x400 regs-sr 0x400 with a few IRQ 15 flags 0x400 regs-sr 0x400 sprinkeled in. Not what you would expect, right? If you configured for

Re: [PATCH] ACPI / driver core: Store a device pointer in struct acpi_dev_node

2013-11-12 Thread Mika Westerberg
On Mon, Nov 11, 2013 at 02:45:39PM +0100, Rafael J. Wysocki wrote: From: Rafael J. Wysocki rafael.j.wyso...@intel.com Subject: ACPI / driver core: Store an ACPI device pointer in struct acpi_dev_node Modify struct acpi_dev_node to contain a pointer to struct acpi_device associated with the

Re: perf/tracepoint yet another lockup

2013-11-12 Thread Peter Zijlstra
On Mon, Nov 11, 2013 at 05:28:21PM -0500, Vince Weaver wrote: So are all tracepoints unsafe? Or just a subset? No, most should be fine. But finding the special ones seems interesting :/ Disabling them all for now sure seems like the safe option. -- To unsubscribe from this list: send the line

Re: CONFIG_NO_HZ_FULL + CONFIG_PREEMPT_RT_FULL = nogo

2013-11-12 Thread Thomas Gleixner
On Tue, 12 Nov 2013, Mike Galbraith wrote: FYI, shiny new (and virgin) 3.12.0-rt1 nohz_full config is deadlock prone. I was measuring fastpath cost yesterday with pinned pipe-test.. x3550 M3 E5620 (bloatware config) CONFIG_NO_HZ_IDLE - CPU3 2.957012 usecs/loop -- avg 2.957012 676.4 KHz

Re: [PATCH v3 2/3] OF: Introduce DT overlay support.

2013-11-12 Thread Pantelis Antoniou
Hi Grant, On Nov 11, 2013, at 7:42 PM, Grant Likely wrote: On Fri, 8 Nov 2013 17:06:09 +0200, Pantelis Antoniou pa...@antoniou-consulting.com wrote: Introduce DT overlay support. Using this functionality it is possible to dynamically overlay a part of the kernel's tree with another tree

Re: [PATCH 3/5] OF: export of_property_notify

2013-11-12 Thread Pantelis Antoniou
Hi Grant, On Nov 11, 2013, at 5:06 PM, Grant Likely wrote: On Tue, 5 Nov 2013 19:50:14 +0200, Pantelis Antoniou pa...@antoniou-consulting.com wrote: of_property_notify can be utilized by other users too, export it. Please keep this patch in the series with the patch that actually uses

Re: [RFC PATCH 3/3] x86, boot: Change the BIOS corruption checker to scan 640K

2013-11-12 Thread Ingo Molnar
* H. Peter Anvin h...@linux.intel.com wrote: On 11/11/2013 08:07 PM, Ingo Molnar wrote: I agree with your patches so far, and I'd suggest we go even further: I'd say the config option is now a misnomer, it should probably be renamed to CONFIG_X86_FORCE_RESERVE_BIOS_LOW_1MB=y or so.

Re: [seqcount] INFO: trying to register non-static key.

2013-11-12 Thread Fengguang Wu
On Mon, Nov 11, 2013 at 04:45:51PM +0100, Peter Zijlstra wrote: On Mon, Nov 11, 2013 at 09:29:27AM +0800, Fengguang Wu wrote: Greetings, I got the below dmesg and the first bad commit is commit 1ca7d67cf5d5a2aef26a8d9afd789006fa098347 Author: John Stultz john.stu...@linaro.org

[PATCH 3/3] Drivers: Staging: cxt1e1: stbeid: Fixed whitespace between function and parameters

2013-11-12 Thread Eric Skoglund
From: Eric Skoglund e...@pagefault.se This patch fixes whitespace coding style errors: func () -- func() Signed-of-by: Eric Skoglund e...@pagefault.se --- drivers/staging/cxt1e1/sbeid.c | 84 +- 1 file changed, 42 insertions(+), 42 deletions(-) diff

[PATCH 1/3] Drivers: Staging: cxt1e1: sbeid: Fixed coding style issue - space - tabs

2013-11-12 Thread Eric Skoglund
From: Eric Skoglund e...@pagefault.se This patch converts spaces to tabs to conform to the coding style standards. Signed-off-by: Eric Skoglund e...@pagefault.se --- drivers/staging/cxt1e1/sbeid.c | 318 - 1 file changed, 159 insertions(+), 159

[PATCH 2/3] Drivers: Staging: cxt1e1: sbeid: Fixed braces coding style issue

2013-11-12 Thread Eric Skoglund
From: Eric Skoglund e...@pagefault.se This patch fixes a brace coding style issue. Signed-off-by: Eric Skoglund e...@pagefault.se --- drivers/staging/cxt1e1/sbeid.c | 15 +-- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/staging/cxt1e1/sbeid.c

RE: [PATCH v3 0/2] ARC: Add perf support for ARC700 cores

2013-11-12 Thread Mischa Jonker
Ah, so its one of those that cannot sample; you might want to fail when we try and create a sampling event. Good suggestion, I'll create a separate patch for that! Also, you could consider running an (hr)timer to periodically update the events so that you don't miss a hardware counter wrap

Re: [PATCH] tools lib traceevent: Add direct access to dynamic arrays

2013-11-12 Thread Jiri Olsa
On Mon, Nov 11, 2013 at 04:08:10PM -0500, Steven Rostedt wrote: Jiri Olsa was writing a plugin for the cfg80211_tx_mlme_mgmt trace event, and was not able to get the implemented function working. The event's print fmt looks like: netdev:%s(%d), ftype:0x%.2x, REC-name, REC-ifindex,

[PATCH] ACPI / LPSS: add ACPI IDs for newer Intel PCHs

2013-11-12 Thread Mika Westerberg
Some recent Intel PCHs with LPSS have different ACPI IDs for the LPSS devices, so add these to the list as well. Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com --- drivers/acpi/acpi_lpss.c | 9 + 1 file changed, 9 insertions(+) diff --git a/drivers/acpi/acpi_lpss.c

Re: [seqcount] INFO: trying to register non-static key.

2013-11-12 Thread Ingo Molnar
John, Please have a look at this regression ASAP, as it's now upstream ... Thanks, Ingo * Fengguang Wu fengguang...@intel.com wrote: On Mon, Nov 11, 2013 at 04:45:51PM +0100, Peter Zijlstra wrote: On Mon, Nov 11, 2013 at 09:29:27AM +0800, Fengguang Wu wrote: Greetings, I

[PATCH v5 1/3] x86, apic: add bsp_physical_apicid

2013-11-12 Thread HATAYAMA Daisuke
Add bsp_physical_apicid variable that has the initial APIC ID for the processor with BSP flag on IA32_APIC_BASE MSR. Without this, boot_cpu_physical_apicid temporarily has the value around MP table related codes such as kernel/mpparse.c, mm/amdtopology.c and platform/visws/visws_quirks.c until it

[PATCH v5 0/3] x86, apic, kexec: Add disable_cpu_apic kernel parameter

2013-11-12 Thread HATAYAMA Daisuke
This patch set is to allow kdump 2nd kernel to wake up multiple CPUs even if 1st kernel crashs on some AP, a continueing work from: [PATCH v3 0/2] x86, apic, kdump: Disable BSP if boot cpu is AP https://lkml.org/lkml/2013/10/16/300. At v4, basic design has changed. Now users need to figure

[PATCH v5 3/3] Documentation, x86, apic, kexec: Add disable_cpu_apicid kernel parameter

2013-11-12 Thread HATAYAMA Daisuke
Add disable_cpu_apicid kernel parameter to disable the CPU with the specified number of initial APIC ID, mostly used for the kdump 2nd kernel to disable BSP to wake up multiple CPUs without causing system reset or hang due to sending INIT from AP to BSP. Signed-off-by: HATAYAMA Daisuke

[PATCH] gpio/lynxpoint: add new ACPI ID

2013-11-12 Thread Mika Westerberg
Newer Intel PCHs have the same GPIO controller than Haswell but the ACPI ID is different. Add this ID to the driver supported IDs list. Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com --- drivers/gpio/gpio-lynxpoint.c | 1 + 1 file changed, 1 insertion(+) diff --git

[PATCH v5 2/3] x86, apic: Add disable_cpu_apicid kernel parameter

2013-11-12 Thread HATAYAMA Daisuke
Add disable_cpu_apicid kernel parameter. To use this kernel parameter, specify an initial APIC ID of the corresponding CPU you want to disable. This is mostly used for the kdump 2nd kernel to disable BSP to wake up multiple CPUs without causing system reset or hang due to sending INIT from AP to

Re: cppi41: pending patches

2013-11-12 Thread Vinod Koul
On Tue, Oct 22, 2013 at 12:14:02PM +0200, Sebastian Andrzej Siewior wrote: Hi Vinod, this series contains patches which are floating on the mainling list so I hope it is easier to collect them. It contains two of Daniel's which were not yet applied and two of mine. The patch redo descriptor

Re: [sched/get_online_cpus] INFO: task swapper/0:1 blocked for more than 120 seconds.

2013-11-12 Thread Fengguang Wu
On Mon, Nov 11, 2013 at 05:20:22PM +0100, Peter Zijlstra wrote: On Mon, Nov 11, 2013 at 03:47:11PM +0800, Michael wang wrote: Hi, Fengguang On 11/10/2013 06:16 PM, Fengguang Wu wrote: Greetings, I got the below dmesg and the first bad commit is I guess this will disappear

[PATCH] i2c: designware: add new ACPI IDs

2013-11-12 Thread Mika Westerberg
Newer Intel PCHs with LPSS have the same Designware I2C controllers than Haswell but the ACPI IDs differ. Add these IDs to the driver list. Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com --- drivers/i2c/busses/i2c-designware-platdrv.c | 2 ++ 1 file changed, 2 insertions(+) diff

Re: [PATCH v4 1/3] x86, apic: Don't count the CPU with BP flag from MP table as booting-up CPU

2013-11-12 Thread HATAYAMA Daisuke
(2013/11/12 9:40), HATAYAMA Daisuke wrote: (2013/11/12 1:52), Vivek Goyal wrote: On Mon, Nov 11, 2013 at 11:52:30AM +0900, HATAYAMA Daisuke wrote: [..] Looking at my past investigation, kernel/mpparse.c, mm/amdtopology.c and platform/visws/visws_quirks.c assumes that boot_cpu_physical_apicid

[PATCH] mmc: sdhci-acpi: add new ACPI ID

2013-11-12 Thread Mika Westerberg
Newer Intel PCHs with LPSS have the same SDHCI controller than Haswell but ACPI ID is different. Add this ID to the driver list. Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com --- drivers/mmc/host/sdhci-acpi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git

Re: [seqcount] INFO: trying to register non-static key.

2013-11-12 Thread Peter Zijlstra
On Tue, Nov 12, 2013 at 05:41:47PM +0800, Fengguang Wu wrote: On Mon, Nov 11, 2013 at 04:45:51PM +0100, Peter Zijlstra wrote: On Mon, Nov 11, 2013 at 09:29:27AM +0800, Fengguang Wu wrote: Greetings, I got the below dmesg and the first bad commit is commit

Re: Bench for testing scheduler

2013-11-12 Thread Vincent Guittot
On 8 November 2013 22:12, Rowand, Frank frank.row...@sonymobile.com wrote: On Friday, November 08, 2013 1:28 AM, Vincent Guittot [vincent.guit...@linaro.org] wrote: On 8 November 2013 01:04, Rowand, Frank frank.row...@sonymobile.com wrote: snip The Avg figures look almost stable IMO. Are

[PATCH net 1/2] tuntap: limit head length of skb allocated

2013-11-12 Thread Jason Wang
We currently use hdr_len as a hint of head length which is advertised by guest. But when guest advertise a very big value, it can lead to an 64K+ allocating of kmalloc() which has a very high possibility of failure when host memory is fragmented or under heavy stress. The huge hdr_len also reduce

[PATCH net 2/2] macvtap: limit head length of skb allocated

2013-11-12 Thread Jason Wang
We currently use hdr_len as a hint of head length which is advertised by guest. But when guest advertise a very big value, it can lead to an 64K+ allocating of kmalloc() which has a very high possibility of failure when host memory is fragmented or under heavy stress. The huge hdr_len also reduce

[PATCH] drivers/rtc/rtc-as3722: use devm for rtc and irq registration

2013-11-12 Thread Laxman Dewangan
Use devm_* calls for rtc and irq registration and get rid of remove callback for platform driver. Signed-off-by: Laxman Dewangan ldewan...@nvidia.com --- drivers/rtc/rtc-as3722.c | 19 +++ 1 files changed, 3 insertions(+), 16 deletions(-) diff --git a/drivers/rtc/rtc-as3722.c

[PATCH] spi/pxa2xx: add new ACPI IDs

2013-11-12 Thread Mika Westerberg
Newer Intel PCHs with LPSS have the same SPI controllers than Haswell but ACPI IDs are different. Add these IDs to the driver list. Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com --- drivers/spi/spi-pxa2xx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git

[PATCH] serial: 8250_dw: add new ACPI IDs

2013-11-12 Thread Mika Westerberg
Newer Intel PCHs with LPSS have the same Designware controllers than Haswell but ACPI IDs are different. Add these IDs to the driver list. Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com --- drivers/tty/serial/8250/8250_dw.c | 2 ++ 1 file changed, 2 insertions(+) diff --git

Re: 3.10.16 cgroup_mutex deadlock

2013-11-12 Thread Li Zefan
Cc more people On 2013/11/12 6:06, Shawn Bohrer wrote: Hello, This morning I had a machine running 3.10.16 go unresponsive but before we killed it we were able to get the information below. I'm not an expert here but it looks like most of the tasks below are blocking waiting on the

Re: Re: Re: Re: [PATCH RFC 2/6] arm64: Kprobes with single stepping support

2013-11-12 Thread Masami Hiramatsu
(2013/11/12 17:44), Sandeepa Prabhu wrote: On 12 November 2013 12:57, Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote: (2013/11/12 15:23), Sandeepa Prabhu wrote: OK, I've ensured that the hw_breakpoint (from perf) can work with kprobes (from ftrace) at the same address on x86. So if

Re: [tip:x86/bsp-hotplug] x86, apic: Disable BSP if boot cpu is AP

2013-11-12 Thread HATAYAMA Daisuke
(2013/11/12 4:54), H. Peter Anvin wrote: On 10/12/2013 10:42 AM, Ingo Molnar wrote: * H. Peter Anvin h...@zytor.com wrote: On 10/09/2013 04:16 PM, tip-bot for HATAYAMA Daisuke wrote: Commit-ID: 1d79e607332d67d9132c176d99b5e7fabe1b6b7f Gitweb:

Re: [PATCH 4/5] OF: Export all DT proc update functions

2013-11-12 Thread Pantelis Antoniou
Hi Grant, On Nov 11, 2013, at 5:09 PM, Grant Likely wrote: On Tue, 5 Nov 2013 19:50:15 +0200, Pantelis Antoniou pa...@antoniou-consulting.com wrote: There are other users for the proc DT functions. Export them. Signed-off-by: Pantelis Antoniou pa...@antoniou-consulting.com These are

Re: [PATCH] of: set dma_mask to point to coherent_dma_mask

2013-11-12 Thread Russell King - ARM Linux
On Mon, Nov 11, 2013 at 04:59:14PM +, Stefano Stabellini wrote: On Wed, 6 Nov 2013, Stefano Stabellini wrote: On Sat, 2 Nov 2013, Grant Likely wrote: On Wed, 30 Oct 2013 00:05:22 -0500, Rob Herring robherri...@gmail.com wrote: From: Rob Herring rob.herr...@calxeda.com

Re: [PATCH v3] gpio: interrupt consistency check for OF GPIO IRQs

2013-11-12 Thread Linus Walleij
On Mon, Nov 11, 2013 at 8:33 PM, Stephen Warren swar...@wwwdotorg.org wrote: On 11/11/2013 12:17 PM, Gerlando Falauto wrote: Thanks for your answer. So it should be the parent driver to proactively configure the GPIO as input, active high etc..., when an IRQ for its GPIOs is requested, right?

Re: [patch 0/8] mm: thrash detection-based file cache sizing v5

2013-11-12 Thread Bob Liu
Hi Johannes, On Fri, Oct 11, 2013 at 5:46 AM, Johannes Weiner han...@cmpxchg.org wrote: Future Right now we have a fixed ratio (50:50) between inactive and active list but we already have complaints about working sets exceeding half of memory being pushed out of the cache by simple

Re: [RFC][PATCH v5 05/14] sched: add a packing level knob

2013-11-12 Thread Peter Zijlstra
On Fri, Oct 18, 2013 at 01:52:18PM +0200, Vincent Guittot wrote: +int sched_proc_update_packing(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos) +{ + int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); + if

Re: [PATCH] mmc: sdhci-acpi: add new ACPI ID

2013-11-12 Thread Adrian Hunter
On 12/11/13 12:01, Mika Westerberg wrote: Newer Intel PCHs with LPSS have the same SDHCI controller than Haswell but ACPI ID is different. Add this ID to the driver list. Signed-off-by: Mika Westerberg mika.westerb...@linux.intel.com Acked-by: Adrian Hunter adrian.hun...@intel.com ---

Re: [RFC][PATCH v5 06/14] sched: create a new field with available capacity

2013-11-12 Thread Peter Zijlstra
On Fri, Oct 18, 2013 at 01:52:19PM +0200, Vincent Guittot wrote: This new field power_available reflects the available capacity of a CPU unlike the cpu_power which reflects the current capacity. - sdg-sgp-power_orig = sdg-sgp-power = power; + sdg-sgp-power_orig =

Re: [GIT PULL] x86/boot changes for v3.13

2013-11-12 Thread Borislav Petkov
On Mon, Nov 11, 2013 at 01:37:48PM -0800, Yinghai Lu wrote: How do you know CPU0 and CPU1 are in same package? Why is that relevant? -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line unsubscribe

Re: [RFC][PATCH v5 07/14] sched: get CPU's activity statistic

2013-11-12 Thread Peter Zijlstra
On Fri, Oct 18, 2013 at 01:52:20PM +0200, Vincent Guittot wrote: diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index db9b871..7e26f65 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -179,6 +179,11 @@ void sched_init_granularity(void) } #ifdef CONFIG_SMP +static

Re: [RFC][PATCH v5 00/14] sched: packing tasks

2013-11-12 Thread Vincent Guittot
On 11 November 2013 17:38, Peter Zijlstra pet...@infradead.org wrote: On Mon, Nov 11, 2013 at 11:33:45AM +, Catalin Marinas wrote: My understanding from the recent discussions is that the scheduler should decide directly on the C-state (or rather the deepest C-state possible since we don't

Re: [PATCH 0/3] Early use of boot service memory

2013-11-12 Thread Pekka Enberg
On Tue, Nov 12, 2013 at 4:15 AM, Jerry Hoemann jerry.hoem...@hp.com wrote: Some platform have firmware that violates UEFI spec and access boot service code or data segments after the system has called Exit Boot Services. The call to efi_reserve_boot_services in setup_arch is a work around to

Re: [PATCH 5/5] OF: Introduce utility helper functions

2013-11-12 Thread Pantelis Antoniou
Hi Grant, On Nov 11, 2013, at 5:37 PM, Grant Likely wrote: On Tue, 5 Nov 2013 19:50:16 +0200, Pantelis Antoniou pa...@antoniou-consulting.com wrote: Introduce helper functions for working with the live DT tree. __of_free_property() frees a dynamically created property __of_free_tree()

[PATCH] MAINTAINERS: Add maintainer for the ARM Ux500 clock driver

2013-11-12 Thread Ulf Hansson
Cc: Linus Walleij linus.wall...@linaro.org Cc: Mike Turquette mturque...@linaro.org Signed-off-by: Ulf Hansson ulf.hans...@linaro.org --- MAINTAINERS |8 1 file changed, 8 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 284969f..1d0ae30 100644 --- a/MAINTAINERS +++

Re: [RFC][PATCH v5 07/14] sched: get CPU's activity statistic

2013-11-12 Thread Peter Zijlstra
On Fri, Oct 18, 2013 at 01:52:20PM +0200, Vincent Guittot wrote: +static int get_cpu_activity(int cpu) +{ + struct rq *rq = cpu_rq(cpu); + u32 sum = rq-avg.runnable_avg_sum; + u32 period = rq-avg.runnable_avg_period; + + sum = min(sum, period); + + if (sum == period) {

Re: [RFC][PATCH v5 05/14] sched: add a packing level knob

2013-11-12 Thread Vincent Guittot
On 12 November 2013 11:32, Peter Zijlstra pet...@infradead.org wrote: On Fri, Oct 18, 2013 at 01:52:18PM +0200, Vincent Guittot wrote: +int sched_proc_update_packing(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos) +{ + int

Re: [PATCH v2 1/8] x86: speed up int3-based patching using less paranoid write

2013-11-12 Thread Petr Mladek
Steven Rostedt píše v Pá 08. 11. 2013 v 07:43 -0500: On Fri, 08 Nov 2013 21:04:26 +0900 Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote: (2013/11/08 18:12), Petr Mladek wrote: This change is inspired by the int3-based patching code used in ftrace. See the commit fd4363fff3d9

Re: [PATCH v5 2/3] x86, apic: Add disable_cpu_apicid kernel parameter

2013-11-12 Thread Borislav Petkov
On Tue, Nov 12, 2013 at 06:51:58PM +0900, HATAYAMA Daisuke wrote: Add disable_cpu_apicid kernel parameter. To use this kernel parameter, specify an initial APIC ID of the corresponding CPU you want to disable. This is mostly used for the kdump 2nd kernel to disable BSP to wake up multiple

Re: [RFC][PATCH v5 08/14] sched: move load idx selection in find_idlest_group

2013-11-12 Thread Peter Zijlstra
On Fri, Oct 18, 2013 at 01:52:21PM +0200, Vincent Guittot wrote: load_idx is used in find_idlest_group but initialized in select_task_rq_fair even when not used. The load_idx initialisation is moved in find_idlest_group and the sd_flag replaces it in the function's args. Signed-off-by:

Re: Re: Re: Re: [PATCH RFC 2/6] arm64: Kprobes with single stepping support

2013-11-12 Thread Sandeepa Prabhu
On 12 November 2013 15:47, Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote: (2013/11/12 17:44), Sandeepa Prabhu wrote: On 12 November 2013 12:57, Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote: (2013/11/12 15:23), Sandeepa Prabhu wrote: OK, I've ensured that the hw_breakpoint

Re: [RFC][PATCH v5 05/14] sched: add a packing level knob

2013-11-12 Thread Peter Zijlstra
On Tue, Nov 12, 2013 at 11:44:15AM +0100, Vincent Guittot wrote: On 12 November 2013 11:32, Peter Zijlstra pet...@infradead.org wrote: On Fri, Oct 18, 2013 at 01:52:18PM +0200, Vincent Guittot wrote: +int sched_proc_update_packing(struct ctl_table *table, int write, + void

Re: [tip:sched/core] sched/fair: Fix group power_orig computation

2013-11-12 Thread Srikar Dronamraju
With Commit-id 863bffc80898 (sched/fair: Fix group power_orig computation) which is part of latest tip/master, numa machine may fail to boot both on powerpc and x86_64. On powerpc [0.710162] Unable to handle kernel paging request for data at address 0x0010 [0.710170] Faulting

Re: [RFC][PATCH v5 05/14] sched: add a packing level knob

2013-11-12 Thread Vincent Guittot
On 12 November 2013 11:55, Peter Zijlstra pet...@infradead.org wrote: On Tue, Nov 12, 2013 at 11:44:15AM +0100, Vincent Guittot wrote: On 12 November 2013 11:32, Peter Zijlstra pet...@infradead.org wrote: On Fri, Oct 18, 2013 at 01:52:18PM +0200, Vincent Guittot wrote: +int

Re: bridge not getting ip since 3.11.5 and 3.4.66

2013-11-12 Thread Mark Trompell
On Mon, Nov 11, 2013 at 1:52 PM, Mark Trompell m...@foresightlinux.org wrote: On Mon, Nov 11, 2013 at 12:07 PM, Veaceslav Falico veaces...@falico.eu wrote: On Mon, Nov 11, 2013 at 11:29 AM, Mark Trompell m...@foresightlinux.org wrote: my bridge br0 doesn't get an ip from dhcp anymore after

Re: [RFC][PATCH v5 06/14] sched: create a new field with available capacity

2013-11-12 Thread Vincent Guittot
On 12 November 2013 11:34, Peter Zijlstra pet...@infradead.org wrote: On Fri, Oct 18, 2013 at 01:52:19PM +0200, Vincent Guittot wrote: This new field power_available reflects the available capacity of a CPU unlike the cpu_power which reflects the current capacity. - sdg-sgp-power_orig =

Re: IPv6: Blackhole route support partial ?

2013-11-12 Thread Kamala R
Hi, Sure, here it is. --- linux-3.12/net/ipv6/route.c.orig2013-11-12 16:23:46.0 +0530 +++ linux-3.12/net/ipv6/route.c 2013-11-12 16:30:51.0 +0530 @@ -1570,9 +1570,13 @@ int ip6_route_add(struct fib6_config *cf switch (cfg-fc_type) { case

Re: call_usermodehelper in containers

2013-11-12 Thread Jeff Layton
On Mon, 11 Nov 2013 16:47:03 -0800 Greg KH gre...@linuxfoundation.org wrote: On Mon, Nov 11, 2013 at 07:18:25AM -0500, Jeff Layton wrote: We have a bit of a problem wrt to upcalls that use call_usermodehelper with containers and I'd like to bring this to some sort of resolution... A

Re: [PATCH net 1/2] tuntap: limit head length of skb allocated

2013-11-12 Thread Michael S. Tsirkin
On Tue, Nov 12, 2013 at 06:02:56PM +0800, Jason Wang wrote: We currently use hdr_len as a hint of head length which is advertised by guest. But when guest advertise a very big value, it can lead to an 64K+ allocating of kmalloc() which has a very high possibility of failure when host memory is

Re: [GIT PULL] x86/boot changes for v3.13

2013-11-12 Thread Ingo Molnar
* Borislav Petkov b...@alien8.de wrote: On Mon, Nov 11, 2013 at 01:37:48PM -0800, Yinghai Lu wrote: How do you know CPU0 and CPU1 are in same package? Why is that relevant? So I suspect what Yinghai tried to say if CPU0 and CPU1 are not on the same node we do the printout incorrectly.

Re: [PATCH v2] ARM: Use udiv/sdiv for __aeabi_{u}idiv library functions

2013-11-12 Thread Måns Rullgård
Stephen Boyd sb...@codeaurora.org writes: On 11/09/13 21:03, Nicolas Pitre wrote: Bah. NAK. We are doing runtime patching of the kernel for many many things already. So why not do the same here? static keys are a form of runtime patching, albeit not as extreme as you're suggesting.

Re: [PATCH] ASoC: fsl: set correct platform drvdata in pcm030_fabric_probe()

2013-11-12 Thread Mark Brown
On Sat, Nov 09, 2013 at 08:41:14AM +0800, Wei Yongjun wrote: From: Wei Yongjun yongjun_...@trendmicro.com.cn platform_set_drvdata(op, pdata) in pcm030_fabric_probe() will be overwrited when calling snd_soc_register_card(card), Applied, thanks. signature.asc Description: Digital signature

Re: [GIT PULL] x86/boot changes for v3.13

2013-11-12 Thread Borislav Petkov
On Tue, Nov 12, 2013 at 12:23:38PM +0100, Ingo Molnar wrote: So I suspect what Yinghai tried to say if CPU0 and CPU1 are not on the same node we do the printout incorrectly. I hope your translation is correct :) I'd still like to get a confirmation from him though. Arguably this was a

Re: [PATCH 04/10] perf machine: Introduce synthesize_threads method out of open coded equivalent

2013-11-12 Thread Arnaldo Carvalho de Melo
Em Mon, Nov 11, 2013 at 09:50:45PM +0100, Ingo Molnar escreveu: * David Ahern dsah...@gmail.com wrote: On 11/11/13, 1:22 PM, Arnaldo Carvalho de Melo wrote: + if (perf_target__has_task(target)) + return perf_event__synthesize_thread_map(tool, threads, process, machine,

Re: [GIT PULL] x86/boot changes for v3.13

2013-11-12 Thread Ingo Molnar
* Borislav Petkov b...@alien8.de wrote: On Tue, Nov 12, 2013 at 12:23:38PM +0100, Ingo Molnar wrote: So I suspect what Yinghai tried to say if CPU0 and CPU1 are not on the same node we do the printout incorrectly. I hope your translation is correct :) I'd still like to get a

Re: [PATCH net 2/2] macvtap: limit head length of skb allocated

2013-11-12 Thread Michael S. Tsirkin
On Tue, Nov 12, 2013 at 06:02:57PM +0800, Jason Wang wrote: We currently use hdr_len as a hint of head length which is advertised by guest. But when guest advertise a very big value, it can lead to an 64K+ allocating of kmalloc() which has a very high possibility of failure when host memory is

Re: [PATCH 2/2] perf trace: Fix segfault on perf trace -i perf.data

2013-11-12 Thread Arnaldo Carvalho de Melo
Em Tue, Nov 12, 2013 at 03:25:00PM +0900, Namhyung Kim escreveu: From: Namhyung Kim namhyung@lge.com When replaying a previous record session, it'll get a segfault since it doesn't initialize evsel-priv for finding syscall id. So fix it by initialize sys_enter/exit evsel manually.

[PATCH 1/1] Add strong pullup emulation to w1-gpio master driver.

2013-11-12 Thread Evgeny Boger
Strong pullup is emulated by driving pin logic high after write command when using tri-state push-pull GPIO. Signed-off-by: Evgeny Boger bo...@contactless.ru --- drivers/w1/masters/w1-gpio.c | 22 ++ drivers/w1/w1_int.c | 12 include/linux/w1-gpio.h

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