On Mon, 16 Jun 2008, Jeremy Fitzhardinge wrote:
quoted text
>
> 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
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