[lkml]   [2007]   [Feb]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 9/11] Panic delay fix
    On 2/7/07, Rusty Russell <> wrote:
    > On Wed, 2007-02-07 at 12:35 +0000, Pavel Machek wrote:
    > > Ugh, it sounds like paravirt is more b0rken then I thought. It should
    > > always to the proper delay, then replace those udelays that are not
    > > needed on virtualized hardware with something else.
    > >
    > > Just magically defining udelay into nop is broken.
    > We'd have to audit and figure out what udelays are for hardware and
    > which are not, but the evidence is that the vast majority of them are
    > for hardware and not needed for virtualization.
    > Changing udelay to "hardware_udelay" or something all over the kernel
    > would have delayed the paravirt_ops merge by an infinite amount 8)

    However I am not really fond of idea of adding constructs like this
    all over the code:


    as the time passes... Drivers should be blissfully ignorant of being
    run on virtual hardware.

    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: 2007-02-08 15:47    [W:0.023 / U:11.572 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site