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SubjectRe: [PATCH] ppc64: Fix possible race with set_pte on a present PTE

> Well, the original scenario triggering that from userland is, imho, so
> broken, that we may just not care losing that dirty bit ... Oh well :)
> Anyway, apply my patch. If pte is not present, this will have no effect,
> if it is, it makes sure we never leave a stale HPTE in the hash, which
> is fatal in far worse ways.

Hrm... Or maybe I should just do in set_pte something like


That would make me sleep better ;)


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