lkml.org 
[lkml]   [2011]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 07/10] MCE: replace mce.c use of TIF_MCE_NOTIFY with user_return_notifier
    On 06/10/2011 12:35 AM, Luck, Tony wrote:
    > From: Tony Luck<tony.luck@intel.com>
    >
    > Ingo wrote:
    > > We already have a generic facility to do such things at
    > > return-to-userspace: _TIF_USER_RETURN_NOTIFY.
    >
    > This just a proof of concept patch ... before this can become
    > real the user-return-notifier code would have to be made NMI
    > safe (currently it uses hlist_add_head/hlist_del, which would
    > need to be changed to Ying's NMI-safe single threaded lists).

    You could use irq_work_queue() to push this into an irq context, which
    is user-return-notifier safe.

    --
    error compiling committee.c: too many arguments to function



    \
     
     \ /
      Last update: 2011-06-12 10:33    [W:0.022 / U:0.024 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site