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    SubjectRe: [PATCH] ppc64: Fix possible race with set_pte on a present PTE
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    On Wed, 2004-05-26 at 14:12, Benjamin Herrenschmidt wrote:
    > On Wed, 2004-05-26 at 14:08, Linus Torvalds wrote:
    >
    > > You're right. We do use it on the do_wp_page() path, and there we actually
    > > use a whole new page in the "break_cow()" case. That case is in fact
    > > fundamentally different from the other ones.
    > >
    > > So we should probably break up the "ptep_establish()" into its two pieces,
    > > since the callers don't actually want to do the same thing. One really
    > > wants to do a "clear old one, set a totally new one", and the two other
    > > places want to actually update just the dirty and accessed bits.

    Hrm... Still dies, some kind of loop it seems, I'll have a look

    Ben.


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