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Date: Tue, 27 Mar 2007 09:00:49 +0200 From: Eric Dumazet <dada1@...mosbay.com> To: Jeremy Fitzhardinge <jeremy@...p.org> Cc: Andrew Morton <akpm@...ux-foundation.org>, Linux Kernel <linux-kernel@...r.kernel.org>, virtualization@...ts.osdl.org, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, john stultz <johnstul@...ibm.com>, Zachary Amsden <zach@...are.com>, James Morris <jmorris@...ei.org>, Dan Hecht <dhecht@...are.com>, Paul Mackerras <paulus@...ba.org>, Martin Schwidefsky <schwidefsky@...ibm.com>, Prarit Bhargava <prarit@...hat.com>, Chris Lalancette <clalance@...hat.com>, Rick Lindsley <ricklind@...ibm.com> Subject: Re: [patch 1/2] Ignore stolen time in the softlockup watchdog Jeremy Fitzhardinge a écrit : > +static DEFINE_PER_CPU(unsigned long long, touch_timestamp); ... > void touch_softlockup_watchdog(void) > { > - __raw_get_cpu_var(touch_timestamp) = jiffies; > + __raw_get_cpu_var(touch_timestamp) = sched_clock(); > } Not very clear if this is safe on 32bit, since this is not anymore atomic. Maybe a comment would help ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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