[lkml]   [2003]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: 2.5.69 Interrupt Latency
    On Tue, 2003-05-13 at 12:30, Greg KH wrote:
    > On Tue, May 13, 2003 at 10:35:07AM -0500, Paul Fulghum wrote:
    > > On Tue, 2003-05-13 at 10:26, Alan Stern wrote:
    > >
    > > > Putting in a sanity check for the global suspend state will be very easy.
    > > > But I would like to point out that this "global suspend" does not refer to
    > > > the entire system, only the USB bus.
    > >
    > > That is a problem then, because the delay can still
    > > occur during normal system operation.
    > Ok, can you try the attached patch and see if it causes your latency
    > problem to go away?

    I applied the patch plus a couple of printk statements,
    and the wakeup_hc() is being continuously called
    as well as actually executing the delay.

    So the check is not preventing anything.

    Paul Fulghum,
    Microgate Corporation,

    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 13:35    [W:0.020 / U:5.564 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site