From mboxrd@z Thu Jan  1 00:00:00 1970
From: Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 1 of 4] mm: add a ptep_modify_prot transaction abstraction
Date: Mon, 16 Jun 2008 10:29:19 -0700 (PDT)
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To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: xen-devel <xen-devel@lists.xensource.com>, Peter Zijlstra <a.p.zijlstra@chello.nl>, kvm-devel <kvm-devel@lists.sourceforge.net>, x86@kernel.org, LKML <linux-kernel@vger.kernel.org>, Virtualization Mailing List <virtualization@lists.osdl.org>, Hugh Dickins <hugh@veritas.com>, Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
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On Mon, 16 Jun 2008, Jeremy Fitzhardinge wrote:
>
> ptep_modify_prot_start() returns the current pte value, and puts the
>   pte entry into a state where either the hardware will not update the
>   pte, or if it does, the updates will be preserved on commit.
> 
> ptep_modify_prot_commit() writes back the updated pte, makes sure that
>   any hardware updates made since ptep_modify_prot_start() are
>   preserved.

Ok, I'm fine with this now that it's renamed to be clearly about just 
protection bits.

So 

	Acked-by: Linus Torvalds <torvalds@linux-foundation.org>

for what it's worth.

		Linus