lkml.org 
[lkml]   [2004]   [Oct]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Fixing MTRR smp breakage and suspending sysdevs.
Date
On Tuesday 26 October 2004 09:48 pm, Li, Shaohua wrote:
> >One thing I have noticed is that by adding the sysdev suspend/resume
> >calls, I've gained a few seconds delay. I'll see if I can track down
> the
> >cause.
> Is the problem MTRR resume must be with IRQ enabled, right? Could we
> implement a method sysdev resume with IRQ enabled?

If I understand correctly the point of classifying device as sysdev is
that it (device) is essential for the system and must be suspended last
and resumed first, presumably with interrupts off. IRQ controller comes
to mind...

--
Dmitry
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:07    [W:0.074 / U:0.440 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site