linux-kernel - Re: [PATCH v2] x86: add might_sleep() to do_page

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Message-ID: <20090129150351.GD6512@elte.hu>
Date:	Thu, 29 Jan 2009 16:03:51 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Frank Mehnert <Frank.Mehnert@....COM>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>
Subject: Re: [PATCH v2] x86: add might_sleep() to do_page_fault()


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

> 
> > should go into the 'else' branch i guess? In the down_read() case we 
> > already had the check.
> 
> True.
> 
> ---
> VirtualBox calls do_page_fault() from an atomic context but runs into a
> might_sleep() way pas this point, cure that.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> ---
>  arch/x86/mm/fault.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)

Applied to tip/x86/mm, thanks Peter!

	Ingo
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