linux-kernel - Re: [patch 134/149] x86, paravirt: Add a global synchronization point for pvclock

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Message-ID: <AANLkTik_hRn9acIuuRBJDWLuQVUh9qE-blvgFmUQvzlz@mail.gmail.com>
Date:	Tue, 13 Jul 2010 11:15:09 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Palfrader <peter@...frader.org>,
	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	stable@...nel.org, stable-review@...nel.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Glauber Costa <glommer@...hat.com>,
	Zachary Amsden <zamsden@...hat.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Marcelo Tosatti <mtosatti@...hat.com>
Subject: Re: [patch 134/149] x86, paravirt: Add a global synchronization point 
	for pvclock

On Tue, Jul 13, 2010 at 11:04 AM, Avi Kivity <avi@...hat.com> wrote:
>
> Well, current upstream uses "m":

Yes, I'd expect current 2.6.34 to also show the same problem.

> and works; I also failed to reproduce with 2.6.32.16.  So I expect some
> toolchain involvement.

And yes, I do believe it's likely a newer gcc that triggers it too,
otherwise we'd have seen more reports of it.

                  Linus
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