[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:0.021 / U:1.880 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site