From: Peter Zijlstra <peterz@infradead.org>
To: Alex Shi <alex.shi@intel.com>
Cc: tglx@linutronix.de, hpa@linux.intel.com,
tim.c.chen@linux.intel.com, linux-kernel@vger.kernel.org,
andi.kleen@intel.com, mingo@elte.hu
Subject: Re: [URGENT rfc patch 0/3] tsc clocksource bug fix
Date: Thu, 4 Jul 2013 09:58:40 +0200 [thread overview]
Message-ID: <20130704075840.GH18898@dyad.programming.kicks-ass.net> (raw)
In-Reply-To: <1372916056-24301-1-git-send-email-alex.shi@intel.com>
On Thu, Jul 04, 2013 at 01:34:13PM +0800, Alex Shi wrote:
> If the tsc is marked as constant and nonstop, could we set it as system
> clocksource when do tsc register? w/o checking it on clocksource_watchdog?
I'd not do that; the BIOS can still screw you over, we need some validation.
That said; we do need means to disable the clocksource watchdog -- although I
suppose Frederic might already have provided this for this NOHZ efforts when I
wasn't looking.
next prev parent reply other threads:[~2013-07-04 7:59 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-04 5:34 [URGENT rfc patch 0/3] tsc clocksource bug fix Alex Shi
2013-07-04 5:34 ` [PATCH 1/3] clocksource: clean up clocksource_select Alex Shi
2013-07-04 9:57 ` Thomas Gleixner
2013-07-04 10:21 ` Alex Shi
2013-07-04 10:27 ` Thomas Gleixner
2013-07-05 1:22 ` Alex Shi
2013-07-04 5:34 ` [PATCH 2/3] clockesource: set override clocksource Alex Shi
2013-07-04 10:23 ` Thomas Gleixner
2013-07-04 5:34 ` [PATCH 3/3] clocksource: fix can not set tsc as clocksource bug Alex Shi
2013-07-04 10:55 ` Thomas Gleixner
2013-07-04 13:04 ` Thomas Gleixner
2013-07-04 20:46 ` [PATCH] clocksource: Reselect clocksource when watchdog validated Thomas Gleixner
2013-07-05 1:38 ` Alex Shi
2013-07-05 9:13 ` [tip:timers/core] clocksource: Reselect clocksource when watchdog validated high-res capability tip-bot for Thomas Gleixner
2013-07-05 2:48 ` [PATCH 3/3] clocksource: fix can not set tsc as clocksource bug Alex Shi
2013-07-05 5:41 ` Thomas Gleixner
2013-07-05 6:44 ` Alex Shi
2013-07-04 7:58 ` Peter Zijlstra [this message]
2013-07-04 8:13 ` [URGENT rfc patch 0/3] tsc clocksource bug fix Alex Shi
2013-07-05 14:23 ` Frederic Weisbecker
2013-07-05 14:38 ` Peter Zijlstra
2013-07-05 15:24 ` Thomas Gleixner
2013-07-05 21:22 ` Peter Zijlstra
2013-07-05 21:50 ` Thomas Gleixner
2013-07-05 21:58 ` Borislav Petkov
2013-07-05 22:17 ` Thomas Gleixner
2013-07-06 8:37 ` Borislav Petkov
2013-07-06 10:50 ` Peter Zijlstra
2013-07-04 11:00 ` Thomas Gleixner
2013-07-04 18:11 ` Davidlohr Bueso
2013-07-04 20:27 ` Thomas Gleixner
2013-07-05 1:12 ` Alex Shi
2013-07-05 5:58 ` Thomas Gleixner
2013-07-05 6:28 ` Alex Shi
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