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From: Thomas Gleixner <tglx@linutronix.de>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Tony Breeds <tony@bakeyournoodle.com>,
	Daniel Walker <dwalker@mvista.com>, Andrew Morton <akpm@osdl.org>,
	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



  reply	other threads:[~2007-06-20 17:31 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-16 10:36 [patch-mm 00/25] High resolution timer updates and x86_64 support - V2 Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 01/25] NOHZ: Fix nox x86 dyntick idle handling Thomas Gleixner
2007-06-16 14:36   ` Bernhard Rosenkraenzer
2007-06-16 14:54     ` Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 02/25] ACPI: Move timer broadcast and pmtimer access before C3 arbiter shutdown Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 03/25] Clockevents remove prototypes of removed functions Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 04/25] Timekeeping: Fixup shadow variable argument Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 05/25] timer.c cleanup recently introduced whitespace damage Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 06/25] clockevents: Fix resume logic Thomas Gleixner
2007-06-16 18:51   ` Separate arch patching (Re: [patch-mm 06/25] clockevents: Fix resume logic) Oleg Verych
2007-06-16 19:04     ` Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 07/25] Tick management: spread timer interrupt Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 08/25] i386: PIT stop only, when in periodic or oneshot mode Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 09/25] clockevents: Fix device replacement Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 10/25] highres: Improve debug output Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 11/25] hrtimer: speedup hrtimer_enqueue Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 12/25] pcspkr: use the global PIT lock Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 13/25] i386: hpet assumes boot cpu is 0 Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 14/25] NTP: Move the cmos update code into ntp.c Thomas Gleixner
2007-06-19  8:26   ` Franck Bui-Huu
2007-06-16 10:36 ` [patch-mm 15/25] clocksource: add settimeofday hook for PPC Thomas Gleixner
2007-06-16 15:51   ` Daniel Walker
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
2007-06-16 10:36 ` [patch-mm 16/25] x86_64: untangle asm/hpet.h from asm/timex.h Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 17/25] x86_64: Use generic cmos update Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 18/25] i386: move setup_pit_timer to the correct header file Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 19/25] x86-64: remove dead code and other janitor work in tsc.c Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 20/25] x86_64: Convert to cleckevents Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 21/25] x86_64: hpet restore vread Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 22/25] x86_64: restore restore nohpet cmdline Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 23/25] x86-64 block irq balancing for timer Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 24/25] x86_64: prep idle loop for dynticks Thomas Gleixner
2007-06-16 10:36 ` [patch-mm 25/25] x86_64: enable high resolution timers and dynticks Thomas Gleixner
2007-06-16 14:41 ` [patch-mm 00/25] High resolution timer updates and x86_64 support - V2 Alistair John Strachan
2007-06-16 19:06   ` Thomas Gleixner
2007-06-16 23:04 ` Nigel Cunningham
2007-06-18 20:06 ` Valdis.Kletnieks
2007-06-18 20:24   ` Pallipadi, Venkatesh
2007-06-18 21:49     ` Valdis.Kletnieks
2007-06-18 22:10       ` Pallipadi, Venkatesh
2007-06-19 11:28       ` Valdis.Kletnieks
2007-06-19  1:52   ` Arjan van de Ven

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