lkml.org 
[lkml]   [2009]   [Jun]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] cpuhotplug: introduce try_get_online_cpus() take 2
Paul E. McKenney wrote:
>> Add CC to Peter Zijlstra <peterz@infradead.org>
>>
>> (This patch is against mainline but not for inclusion, it will adapted
>> against -mm when request)
>>
>> Requst For Comments and Reviewing Hungeringly.
>>
>> - Lockless for get_online_cpus()'s fast path
>> - Introduce try_get_online_cpus()
>
> One question for Gautham Shenoy -- are non-atomic CPU-hotplug notifiers
> always invoked from the task that did the cpu_hotplug_begin()?
>
> If so, well and good. If not, then it would not be possible to
> expedite RCU grace periods from within CPU-hotplug notifiers.
>
> Thanx, Paul
>


I have no proper machine for several days to test the next version
of this patch, so it is still being delayed a while.

Lai.





\
 
 \ /
  Last update: 2009-06-08 04:37    [W:0.065 / U:5.308 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site