Re: [patch] voluntary-preempt-2.6.9-rc2-mm1-S1

From: Karsten Wiese
Date: Sun Sep 19 2004 - 16:14:14 EST


Am Sonntag 19 September 2004 22:48 schrieb Ingo Molnar:
>
> The point is to let gettimeofday(0,1) start tracing and
> gettimeofday(0,0) stop tracing - a system-call-controlled tracing
> facility (if trace_enabled=2). This was used to trace weird latencies
> before, but it's not the normal mode of operation.
>
Ok. The other point is a page_fault being generated later on in
sys_gettimeofday() if tz is not reset:
>>>>
if (unlikely(tz != NULL)) {
^^
if (copy_to_user(tz, &sys_tz, sizeof(sys_tz)))
return -EFAULT;
}
<<<<

What do you think about including the swapspace-layout-improvements in the
voluntary-preempt patches?

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