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From: Ingo Molnar <mingo@elte.hu>
To: Daniel Walker <dwalker@mvista.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, johnstul@us.ibm.com,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 23/23] clocksource tsc: add verify routine
Date: Wed, 31 Jan 2007 18:33:08 +0100 [thread overview]
Message-ID: <20070131173308.GG4468@elte.hu> (raw)
In-Reply-To: <1170262956.9781.117.camel@imap.mvista.com>
* Daniel Walker <dwalker@mvista.com> wrote:
> > firstly, it allows a circular verification dependency in
> > highres+dyntick mode between the jiffies and tsc clocksources.
>
> In the current implementation, it's only happens if the only clocks
> that exist are "tsc" and "jiffies" which makes verification impossible
> anyway .. It's unlikely, but it is possible , the fix is not that
> complex.
yes, the fix is not that complex and it already exists: Thomas'
clocksource-add-verification-watchdog-helper.patch. You said before that
Thomas' code was unnecessarily generic, but your version contained at
least one bug, despite having had review feedback about precisely that
issue.
Ingo
prev parent reply other threads:[~2007-01-31 17:34 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-31 3:37 [PATCH 00/23] clocksource update v12 Daniel Walker
2007-01-31 3:37 ` [PATCH 01/23] clocksource: drop clocksource-add-verification-watchdog-helper-fix.patch Daniel Walker
2007-01-31 12:47 ` Ingo Molnar
2007-01-31 3:37 ` [PATCH 02/23] clocksource: drop clocksource-add-verification-watchdog-helper.patch Daniel Walker
2007-01-31 3:37 ` [PATCH 03/23] clocksource: drop clocksource-remove-the-update-callback.patch Daniel Walker
2007-01-31 3:37 ` [PATCH 04/23] clocksource: drop time-x86_64-tsc-fixup-clocksource-changes.patch Daniel Walker
2007-01-31 3:37 ` [PATCH 05/23] clocksource: drop simplify-the-registration-of-clocksources.patch Daniel Walker
2007-01-31 3:37 ` [PATCH 06/23] timekeeping: create kernel/time/timekeeping.c Daniel Walker
2007-01-31 8:59 ` Ingo Molnar
2007-01-31 15:05 ` Daniel Walker
2007-01-31 3:37 ` [PATCH 07/23] clocksource: rating sorted list Daniel Walker
2007-01-31 9:34 ` Ingo Molnar
2007-01-31 15:07 ` Daniel Walker
2007-01-31 3:37 ` [PATCH 08/23] clocksource: drop duplicate register checking Daniel Walker
2007-01-31 9:59 ` Ingo Molnar
2007-01-31 15:13 ` Daniel Walker
2007-01-31 17:19 ` Ingo Molnar
2007-01-31 3:37 ` [PATCH 09/23] clocksource: add block notifier Daniel Walker
2007-01-31 10:17 ` Ingo Molnar
2007-01-31 15:25 ` Daniel Walker
2007-01-31 17:22 ` Ingo Molnar
2007-01-31 3:37 ` [PATCH 10/23] clocksource: remove update_callback Daniel Walker
2007-01-31 10:46 ` Ingo Molnar
2007-01-31 15:42 ` Daniel Walker
2007-01-31 17:18 ` Ingo Molnar
2007-01-31 3:37 ` [PATCH 11/23] clocksource: atomic signals Daniel Walker
2007-01-31 11:07 ` Ingo Molnar
2007-01-31 15:59 ` Daniel Walker
2007-01-31 17:15 ` Ingo Molnar
2007-01-31 3:37 ` [PATCH 12/23] clocksource: add clocksource_get_clock() Daniel Walker
2007-01-31 11:46 ` Ingo Molnar
2007-01-31 16:40 ` Daniel Walker
2007-01-31 3:37 ` [PATCH 13/23] timekeeping: move sysfs layer/drop API calls Daniel Walker
2007-01-31 11:49 ` Ingo Molnar
2007-01-31 3:37 ` [PATCH 14/23] clocksource: increase initcall priority Daniel Walker
2007-01-31 11:50 ` Ingo Molnar
2007-01-31 16:42 ` Daniel Walker
2007-01-31 17:10 ` Ingo Molnar
2007-01-31 17:20 ` Daniel Walker
2007-01-31 17:29 ` Thomas Gleixner
2007-01-31 3:37 ` [PATCH 15/23] clocksource: add new flags Daniel Walker
2007-01-31 3:37 ` [PATCH 16/23] clocksource: arm update for " Daniel Walker
2007-01-31 12:27 ` Ingo Molnar
2007-01-31 3:37 ` [PATCH 17/23] clocksource: avr32 " Daniel Walker
2007-01-31 3:37 ` [PATCH 18/23] clocksource: i386 " Daniel Walker
2007-01-31 3:37 ` [PATCH 19/23] clocksource: mips " Daniel Walker
2007-01-31 3:37 ` [PATCH 20/23] clocksource: x86_64 " Daniel Walker
2007-01-31 3:37 ` [PATCH 21/23] clocksource: drivers/ " Daniel Walker
2007-01-31 3:37 ` [PATCH 22/23] clocksource: new clock lookup method Daniel Walker
[not found] ` <20070131122215.GE1847@elte.hu>
[not found] ` <1170261439.9781.96.camel@imap.mvista.com>
[not found] ` <20070131164918.GA4468@elte.hu>
[not found] ` <1170265169.9781.145.camel@imap.mvista.com>
2007-01-31 17:55 ` Thomas Gleixner
2007-01-31 18:07 ` Daniel Walker
2007-01-31 21:09 ` Thomas Gleixner
2007-01-31 3:37 ` [PATCH 23/23] clocksource tsc: add verify routine Daniel Walker
2007-01-31 12:43 ` Ingo Molnar
2007-01-31 17:02 ` Daniel Walker
2007-01-31 17:22 ` Thomas Gleixner
2007-01-31 17:33 ` Ingo Molnar [this message]
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