[lkml]   [2008]   [Oct]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 2/6] Blackfin Serial Driver: Add a debug function to serial driver.
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.


 \ /
  Last update: 2008-10-15 10:41    [W:0.059 / U:0.456 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site