From: Andrew Morton <akpm@linux-foundation.org>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: johnstul@us.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] Introduce CLOCK_MONOTONIC_RAW
Date: Thu, 3 Apr 2008 14:11:06 -0700 [thread overview]
Message-ID: <20080403141106.51528643.akpm@linux-foundation.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0804021340290.26791@localhost.localdomain>
On Wed, 2 Apr 2008 13:50:36 +0200 (CEST)
Roman Zippel <zippel@linux-m68k.org> wrote:
> On Tue, 18 Mar 2008, john stultz wrote:
>
> > My solution is to introduce CLOCK_MONOTONIC_RAW. This exposes a
> > nanosecond based time value, that increments starting at bootup and has
> > no frequency adjustments made to it what so ever.
> >
> > The time is accessed from userspace via the posix_clock_gettime()
> > syscall, passing CLOCK_MONOTONIC_RAW as the clock_id.
>
> This is a reworked version of this patch based on the previous
> clocksource_forward_now patch, since clocksource_forward_now() takes
> care of the time offset now, it's not needed to do this at various places.
> I also got rid of the monotonic_raw splitting, so the work done during
> update_wall_time() is quite a bit simpler.
All right, I give up. I dropped
clocksource-keep-track-of-original-clocksource-frequency.patch
clocksource-keep-track-of-original-clocksource-frequency-fix.patch
clocksource-introduce-clock_monotonic_raw.patch
clocksource-introduce-clock_monotonic_raw-fix.patch
clocksource-introduce-clock_monotonic_raw-fix-checkpatch-fixes.patch
clocksource-introduce-clocksource_forward_now.patch
Please someone resend everything from scratch when it's all sorted out.
next prev parent reply other threads:[~2008-04-03 21:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-18 22:11 [PATCH 1/2] Keep track of original clocksource frequency john stultz
2008-03-18 22:13 ` [PATCH 2/2] Introduce CLOCK_MONOTONIC_RAW john stultz
2008-03-19 2:43 ` Andrew Morton
2008-03-19 3:01 ` john stultz
2008-04-02 11:39 ` [PATCH 1/2] Introduce clocksource_forward_now Roman Zippel
2008-04-02 16:01 ` John Stultz
2008-04-03 21:07 ` Andrew Morton
2008-04-02 11:50 ` [PATCH 2/2] Introduce CLOCK_MONOTONIC_RAW Roman Zippel
2008-04-02 16:01 ` John Stultz
2008-04-02 16:37 ` Roman Zippel
2008-04-03 21:11 ` Andrew Morton [this message]
2008-04-02 11:20 ` [PATCH 1/2] Keep track of original clocksource frequency Roman Zippel
2008-04-02 15:38 ` John Stultz
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