lkml.org 
[lkml]   [2012]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [PATCH] task_work: add a scheduling point in task_work_run()
    From
    Date
    On Tue, 2012-08-21 at 23:32 +0200, Eric Dumazet wrote:
    > On Tue, 2012-08-21 at 16:37 -0400, Mimi Zohar wrote:
    >
    > > We're here, because fput() called schedule_work() to delay the last
    > > fput(). The execution needs to take place before the syscall returns to
    > > userspace. Need to read __schedule()... Do you know if cond_resched()
    > > can guarantee that it will be executed before the return to userspace?
    >
    > Some clarifications :
    >
    > - fput() does not call schedule_work() in this case but task_work_add()
    >
    > - cond_resched() wont return to userspace.

    Thanks for the clarification.

    Mimi



    \
     
     \ /
      Last update: 2012-08-22 06:01    [W:0.038 / U:30.056 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site