linux-kernel - Re: TSC not updating after resume: Bug or Feature?

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Message-ID: <20081218123924.GH25715@elte.hu>
Date:	Thu, 18 Dec 2008 13:39:24 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Steven Rostedt <srostedt@...hat.com>, dsaxena@...xity.net,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
Subject: Re: TSC not updating after resume: Bug or Feature?


* Peter Zijlstra <peterz@...radead.org> wrote:

> Rafael, would something like this explain why we had to revert Shaggy's 
> patch? His patch fixes the backward motion filter and I'm at an utter 
> loss why that would break suspend.

yes, i'd love to have this commit reinstated:

 5b7dba4: sched_clock: prevent scd->clock from moving backwards

and the bug triggered by hibernation fixed instead.

	Ingo
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