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    SubjectRe: [PATCH 2/6] Blackfin Serial Driver: Add a debug function to serial driver.
    On Wed, Oct 15, 2008 at 4:38 PM, Alan Cox <alan@redhat.com> wrote:
    > On Wed, Oct 15, 2008 at 10:23:41AM +0800, gyang wrote:
    >> We are making a SMP like patch to blackfin, cpu_relax() is replaced by a
    >> data cache flush function which will count it to a per-cpu counter.
    >> If this serial function is called too early, the per-cpu data area have
    >> not been initialized, this call will cause crash.
    >> So we'd like to use barrier() instead of cpu_relax().
    >
    > Can you split that out as a separate change and include the explanation in
    > the patch then.
    >
    > Thanks
    > Alan
    >

    I'll handle this and will resend the whole blackfin serial driver
    patches again as well as Sonic updates some bug fixing recently.

    Thanks
    -Bryan


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