[lkml]   [2005]   [Mar]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: aio stress panic on 2.6.11-mm1

    Any sense of how costly it is to use spin_lock_irq's vs spin_lock
    (across different architectures) ? Isn't rwsem used very widely ?


    On Wed, Mar 09, 2005 at 10:33:58AM +0000, David Howells wrote:
    > Andrew Morton <> wrote:
    > > If we want to take the spinlock from interrupt context, the non-interrupt
    > > context code needs to do spin_lock_irq(), not spin_lock().
    > Yeah. I think I had a patch for that somewhere, but I think Linus turned it
    > down. I can't find any emails on that subject though. I'll knock together a
    > new patch for it.
    > David
    > --
    > To unsubscribe, send a message with 'unsubscribe linux-aio' in
    > the body to For more info on Linux AIO,
    > see:
    > Don't email: <a href=mailto:""></a>

    Suparna Bhattacharya (
    Linux Technology Center
    IBM Software Lab, India

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 14:11    [W:0.020 / U:7.312 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site