lkml.org 
[lkml]   [2008]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] PM: Acquire device locks on suspend
    On Sat, 5 Jan 2008, Rafael J. Wysocki wrote:

    > > Another thing to watch out for: Just in case somebody ends up calling
    > > destroy_suspended_device(dev) from within dev's own resume method, you
    > > should interchange the resume_device() and the list_move_tail()
    > > calls in dpm_resume().
    >
    > However, if we unregister them all at once after releasing pm_sleep_rwsem,
    > that shouldn't be necessary, right?

    It's still necessary, because destroy_suspended_device() still has to
    move the device from one list to another. You don't want it to end up
    on the dpm_locked list.

    Alan Stern



    \
     
     \ /
      Last update: 2008-01-05 21:43    [W:0.023 / U:63.492 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site