lkml.org 
[lkml]   [2007]   [Jun]   [20]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateWed, 20 Jun 2007 22:11:58 +0400
FromSergei Shtylyov <>
SubjectRe: [RFC] clocksouce implementation for powerpc
Hello.

Thomas Gleixner wrote:

>>>>+void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
>>>>+{
>>>>+	timer_recalc_offset(tb_last_jiffy);
>>>>+	timer_check_rtc();
>>>>+}
>>
>>>Hmm .. This doesn't look like it's taking into account that the time has
>>>changed ..
>>
>>    Why? By the time it gets called (form the timer softirq context) 
> 
> 
> It is called from interrupt context at least in mainline. Only the -rt
> patch moves this to the softirq.

    Anyway, by the time it gets called, tb_last_jiffy gets updated.

> 	tglx

WBR, Sergei
-
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: 2007-06-20 18:13    [from the cache]
©2003-2008