Messages in this thread |  | | | Subject | Re: [PATCH] ppc64: Fix possible race with set_pte on a present PTE | | From | Benjamin Herrenschmidt <> | | Date | Mon, 24 May 2004 15:38:12 +1000 |
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> 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
BUG_ON(pte_present(ptep))
That would make me sleep better ;)
Ben.
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