Re: [all better] Re: regression: massive trouble with fpu rework
* Mike Galbraith <umgwanakikbuti@gmail.com> wrote: > On Sat, 2015-06-27 at 08:25 +0200, Mike Galbraith wrote: > > Hi Ingo, > > > > My i7-4790 box is having one hell of a...
View ArticleRe: [RFC PATCH 1/3] perf probe: Init symbol as kprobe if any pev is kprobe
Hi Wang, On 2015/06/27 16:34, Wangnan (F) wrote: > > > On 2015/6/27 15:29, Masami Hiramatsu wrote: >> On 2015/06/25 19:37, Wang Nan wrote: >>> Before this patch,...
View ArticleRe: [PATCH] x86, msr: Allow read access to /dev/cpu/X/msr
* Prarit Bhargava <prarit@redhat.com> wrote: > Customers write system monitoring software for single systems as well as > clusters. In load-balancing software it is useful to know how...
View ArticleRe: [PATCH] x86, msr: Allow read access to /dev/cpu/X/msr
* Ingo Molnar <mingo@kernel.org> wrote: > So what's wrong with exposing them as a simplified PMU driver? > > That way we only expose the ones we want to - plus tooling can use all the...
View Article[RFC] perf tools: Add hugetlbfs memory recognition
Maps for JIT is helpful for symbols-parsing for anon-executable-memory. What we need to do is to add (START, SIZE, symbolname) to /tmp/perf-%d.map (%d = pid of process), and perf would parse symbol...
View ArticleRe: [PATCH] bpf: Put perf_events check ahead of bpf prog
On 2015/06/27 15:44, He Kuang wrote: > When we add a kprobe point and record events by perf, the execution path > of all threads on each cpu will enter this point, but perf may only > record...
View ArticleRe: [all better] Re: regression: massive trouble with fpu rework
On Sat, 2015-06-27 at 10:25 +0200, Ingo Molnar wrote: > * Mike Galbraith <umgwanakikbuti@gmail.com> wrote: > > > On Sat, 2015-06-27 at 08:25 +0200, Mike Galbraith wrote: > >...
View ArticleRe: [PATCH v2] x86, espfix: init espfix on the boot cpu side
On Fri, Jun 26, 2015 at 05:33:22PM +0800, Zhu Guihua wrote: > The following lockdep warning occurrs when running with latest kernel: > [ 3.178000] ------------[ cut here ]------------ > [...
View ArticleRe: lockdep issue booting v4.1 upstream kernel with >64 x86_64 CPUs
On Fri, Jun 26, 2015 at 06:38:20PM -0700, Michel Lespinasse wrote: > Hi Peter, > > I am getting a minor issue trying to boot a lockdep enabled x86_64 > kernel with >64 CPUs. > >...
View ArticleRe: [PATCH] perf tools: don't adjust symbols in vDSO
On Fri, Jun 26, 2015 at 04:44:14PM +0100, Andy Lutomirski wrote: > On Fri, Jun 26, 2015 at 8:29 AM, Will Deacon <will.deacon@arm.com> wrote: > > On Fri, Jun 26, 2015 at 04:18:59PM...
View ArticleRe: [PATCH 4.0 00/22] 4.0.7-stable review
On Fri, Jun 26, 2015 at 06:08:42PM -0700, Greg Kroah-Hartman wrote: > This is the start of the stable review cycle for the 4.0.7 release. > There are 22 patches in this series, all will be...
View ArticleRe: [RFC] perf tools: Add hugetlbfs memory recognition
On 2015/6/27 16:49, Hou Pengyang wrote: > Maps for JIT is helpful for symbols-parsing for anon-executable-memory. > What we need to do is to add (START, SIZE, symbolname) to /tmp/perf-%d.map...
View Article[PATCH v2] perf tools: don't adjust symbols in vDSO
Commit 922d0e4d9f04 ("perf tools: Adjust symbols in VDSO") changed the ELF symbol parsing so that the vDSO is treated the same as ET_EXEC and ET_REL binaries despite being an ET_DYN. This was a...
View ArticleRe: [PATCH net-next] test_bpf: extend tests for 32-bit endianness conversion
On 06/26/2015 05:25 PM, Xi Wang wrote: > Currently "ALU_END_FROM_BE 32" and "ALU_END_FROM_LE 32" do not test if > the upper bits of the result are zeros (the arm64 JIT had such bugs). >...
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View ArticleRe: [all better] Re: regression: massive trouble with fpu rework
On Sat, Jun 27, 2015 at 10:55:28AM +0200, Mike Galbraith wrote: > Yup, that made it not care about the BIOS setting.. again. Does it say "x86/fpu: Legacy x87 FPU detected." with Ingo's patch? Or do...
View ArticleRe: [PATCH 3.10 0/5] 3.10.82-stable review
On Fri, Jun 26, 2015 at 06:08:23PM -0700, Greg Kroah-Hartman wrote: > This is the start of the stable review cycle for the 3.10.82 release. > There are 5 patches in this series, all will be...
View Article[PATCH] timer: Fix unsafe cpu variable access in migrate_timers
From: Jan Kiszka <jan.kiszka@siemens.com> migrate_timers is invoked with preemption enabled. Therefore we have to get/put the cpu-local variable tvec_bases like before commit 0eeda71bc3. This...
View ArticleRe: platform: x86: Deletion of checks before backlight_device_unregister()
> Julia, do you have any particular objection to this specific patch? > I didn't see a reason to prevent it going in. Thanks for your interest around this concrete update suggestion. * Would you...
View ArticleRe: [PATCH 3.14 00/17] 3.14.46-stable review
On Fri, Jun 26, 2015 at 06:08:22PM -0700, Greg Kroah-Hartman wrote: > This is the start of the stable review cycle for the 3.14.46 release. > There are 17 patches in this series, all will be...
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