From: Thomas Gleixner <tglx@linutronix.de>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Andrew Morton <akpm@osdl.org>, Daniel Walker <dwalker@mvista.com>,
john stultz <johnstul@us.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
LinuxPPC-dev <linuxppc-dev@ozlabs.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [RFC] clocksouce implementation for powerpc
Date: Wed, 20 Jun 2007 19:31:21 +0200 [thread overview]
Message-ID: <1182360681.3316.25.camel@chaos> (raw)
In-Reply-To: <467961F1.1060909@ru.mvista.com>
On Wed, 2007-06-20 at 21:20 +0400, Sergei Shtylyov 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.
tglx
next prev parent reply other threads:[~2007-06-20 17:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070616101126.296384219@inhelltoy.tec.linutronix.de>
[not found] ` <20070616101637.107940593@inhelltoy.tec.linutronix.de>
[not found] ` <1182009083.11539.369.camel@imap.mvista.com>
2007-06-20 6:57 ` [RFC] clocksouce implementation for powerpc Tony Breeds
2007-06-20 14:57 ` Daniel Walker
2007-06-20 17:20 ` Sergei Shtylyov
2007-06-20 17:31 ` Thomas Gleixner [this message]
2007-06-20 18:11 ` Sergei Shtylyov
2007-06-22 6:23 ` Tony Breeds
2007-06-20 16:53 ` Sergei Shtylyov
2007-06-22 6:10 ` Tony Breeds
2007-06-22 12:42 ` Sergei Shtylyov
2007-06-20 21:06 ` john stultz
2007-06-22 6:28 ` Tony Breeds
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