[lkml]   [2011]   [Apr]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH -tip] perf, x86: P4 PMU - Don't forget to clear cpuc->active_mask on overflow
On 04/21/2011 05:17 PM, Ingo Molnar wrote:
> * Don Zickus <> wrote:
>> On Wed, Apr 20, 2011 at 07:13:37PM +0400, Cyrill Gorcunov wrote:
>>> It's not enough to simply disable event on overflow the cpuc->active_mask
>>> should be cleared as well otherwise counter may stall in "active" even
>>> in real being already disabled (which potentially may lead to the situation
>>> that user may not use this counter further).
>> I also noticed this patch fixed some unknown NMIs on a P4 when I stressed
>> the box
>> Acked-by: Don Zickus <>
> Ok. Mind one of you resending all pending patches in this area, with all
> Acked-by's and Tested-by's in place?
> I'd like to ask one more thing as well: please submit the patches in a single
> e-mail thread - i.e. with a proper 0/N and e-mail threading, so that anyone can
> see that they are a group of patches. Current submissions are various versions
> of patches with no clear grouping.
> Thanks,
> Ingo

Don, will you pick it up in addition to your unknown NMI fast-fix?


 \ /
  Last update: 2011-04-21 16:01    [W:0.059 / U:0.052 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site