linux-kernel - Re: send_IPI_mask_bitmask() (Re: 2.6.21 known regressions (v2) (for -stable team))

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Message-Id: <1177835122.5791.4.camel@localhost.localdomain>
Date:	Sun, 29 Apr 2007 10:25:22 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Len Brown <lenb@...nel.org>
Cc:	venkatesh.pallipadi@...el.com,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	stable@...nel.org, Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-acpi@...r.kernel.org, Jeff Chua <jeff.chua.linux@...il.com>
Subject: Re: send_IPI_mask_bitmask() (Re: 2.6.21 known regressions (v2)
	(for -stable team))

On Sun, 2007-04-29 at 01:34 -0400, Len Brown wrote:
> > clockevents_notify() is called with the power verify information for an
> > offline CPU. I can handle this in the clockevents code, but I think acpi
> > is the correct place.
> 
> So the CONFIG_GENERIC_CLOCKEVENTS=y case is broken,
> but the CONFIG_GENERIC_CLOCKEVENTS=n below is okay?
> Not immediately clear why both cases can't fail.

True, that's strange. Even more strange is that 2.6.21-rc7 does not have
the problem, but 2.6.21 has. We did not change anything in those code
pathes between rc7 and final.

Jeff, can you please verify which -rcX was the last which did not have
this problem.

Thanks,

	tglx


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