[ofa-general] Re: [PATCH] mmu notifiers #v7
Christoph Lameter
clameter at sgi.com
Fri Feb 29 11:46:44 PST 2008
On Fri, 29 Feb 2008, Andrea Arcangeli wrote:
> On Thu, Feb 28, 2008 at 05:03:01PM -0800, Christoph Lameter wrote:
> > I thought you wanted to get rid of the sync via pte lock?
>
> Sure. _notify is happening inside the pt lock by coincidence, to
> reduce the changes to mm/* as long as the mmu notifiers aren't
> sleep capable.
Ok if this is a coincidence then it would be better to separate the
notifier callouts from the pte macro calls.
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