linux-kernel - Re: [patch] high-res timers: UP resume fix

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Message-ID: <20070407094705.GA20998@elte.hu>
Date:	Sat, 7 Apr 2007 11:47:05 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	tglx@...utronix.de, Linus Torvalds <torvalds@...ux-foundation.org>,
	Soeren Sonnenburg <kernel@....de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>
Subject: Re: [patch] high-res timers: UP resume fix


* Rafael J. Wysocki <rjw@...k.pl> wrote:

> > We do in on_each_cpu() unconditionally. I missed that.
> 
> BTW, the on_each_cpu() in clock_was_set() is unnecessary, because 
> timekeeping_resume() is always run on one CPU.

yes - but that's not the only place where we do clock_was_set(), and the 
on_each_cpu() is necessary in every other case. So i think the right 
solution was the patch i did: to split the resume functionality from the 
clock_was_set() functionality.

	Ingo
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