Messages in this thread | | | Date | Tue, 25 May 2004 10:54:42 -0700 | From | "David S. Miller" <> | Subject | Re: [PATCH] ppc64: Fix possible race with set_pte on a present PTE |
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On Tue, 25 May 2004 10:49:21 -0700 (PDT) Linus Torvalds <torvalds@osdl.org> wrote:
> So what I can tell, the fix is really something like this (this does both > x86 and ppc64 just to show how two different approaches would handle it, > but I have literally _tested_ neither). > > What do people think?
So on sparc32 sun4m we'd implement ptep_update_dirty_accessed() with some kind of loop using the swap instruction? That's in fact what I've always wanted, someway to easily integrate the usage of such a loop so that we could handle this problem on such systems.
Keith?
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