[lkml]   [2011]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 1/4] freezer: make fake_signal_wake_up wake TASK_KILLABLE tasks too


    > TASK_KILLABLE is often used to put tasks to sleep for quite some time.
    > One of the most common uses is to put tasks to sleep while waiting for
    > replies from a server on a networked filesystem (such as CIFS or NFS).
    > Unfortunately, fake_signal_wake_up does not currently wake up tasks
    > that are sleeping in TASK_KILLABLE state. This means that even if the
    > code were in place to allow them to freeze while in this sleep, it
    > wouldn't work anyway.
    > This patch changes this function to wake tasks in this state as well.
    > This should be harmless -- if the code doing the sleeping doesn't have
    > handling to deal with freezer events, it should just go back to sleep.

    I'm pretty sure this will break something; but that does not mean it
    is bad idea, just that it should be merged early and tested a lot.

    (cesky, pictures)

     \ /
      Last update: 2011-10-11 08:21    [W:0.021 / U:17.536 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site