Messages in this thread |  | | Date | Mon, 16 Jun 2008 19:13:48 +0100 (BST) | From | Hugh Dickins <> | Subject | Re: [PATCH 1 of 4] mm: add a ptep_modify_prot transaction abstraction |
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On Mon, 16 Jun 2008, Linus Torvalds wrote: > 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>
And seems very reasonable (and exceptionally well described) to me too.
Acked-by: Hugh Dickins <hugh@veritas.com>
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