[lkml]   [2012]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC][PATCH] fix move/migrate_pages() race on task struct
On 02/24/2012 09:08 AM, Christoph Lameter wrote:
> cpuset_mems_allowed takes a mutex. Hmmm... Under rcu?
> security_task_movememory does some kind of security hook.
> Is that all safe? If not then we need to take a refcount on the task
> struct after all.

Urg, no we can't sleep under an rcu_read_lock().

 \ /
  Last update: 2012-02-24 18:27    [W:0.094 / U:2.948 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site