Re: [PATCH 1 of 4] mm: add a ptep_modify_prot transactionabstraction

[Linus Torvalds]

On Wed, 18 Jun 2008, Jeremy Fitzhardinge wrote:
>
> Along the lines of:

Hell no. There's a reason we have a special set_wrprotect() thing. We can 
do it more efficiently on native hardware by just clearing the bit 
atomically. No need to do the cmpxchg games.

		Linus
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