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    SubjectRe: [RFC] atomic pte updates for x86 smp
    }    Date: 	Thu, 12 Oct 2000 00:03:31 -0400 (EDT)
    } From: "Benjamin C.R. LaHaise" <>
    } It's safe because of how x86s hardware works
    } What about other platforms?

    On the PPC's that don't do a hardware walk we do a normal write to the
    hash table (with a spinlock). On the hardware walk PPC's I'm told this is
    done with with a lwarx/stwcx pair (conditional load/store on exclusive

    Any comments on how this would affect PPC?
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