lkml.org 
[lkml]   [2011]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2] oprofile, x86: Move memory allocation for ppro out of per cpu
From
Date
On Mon, 2011-08-01 at 09:07 +0200, Robert Richter wrote:
> Can you please describe the root problem more precisely. Why can't you
> run it on -rt? What is broken?

Because the allocators don't work from atomic context anymore. Now -rt
doesn't have a lot of real atomic contexts left so its usually not much
of a problem, but CPU_STARTING and actual IPIs are of course still
atomic.





\
 
 \ /
  Last update: 2011-08-01 14:35    [from the cache]
©2003-2011 Jasper Spaans