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    SubjectRe: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic
    Date
    On Sun May 24 2009, H. Peter Anvin wrote:
    > Michael S. Zick wrote:
    > >
    > > Note: I have seem to recall that newer gcc's optimizer presume
    > > that the flags register is preserved across asm -
    > > It didn't use to do that - but there is now a "cc" to deal with
    > > that - Have not yet audited for that, but it is high on my list.
    > >
    >
    > I am pretty sure that's false... if it was true we'd have failures all
    > over the kernel.
    >

    Not an issue at the moment, will cover that when I audit my own code.

    Mike
    > -hpa
    >




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