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    SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
    Jeremy Fitzhardinge <> writes:

    >> Or we could do something completely evil. And use the other segment
    >> register for the stack canary.
    > That would still require gcc changes, so it doesn't help much.

    We could use %fs for the per cpu variables. Then we could set %gs to whatever
    we wanted to sync up with gcc


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      Last update: 2008-07-09 23:05    [W:0.023 / U:2.752 seconds]
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