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    SubjectRe: [PATCH v2] x86/fpu: Don't cache access to fpu_fpregs_owner_ctx
    On 2019-11-29 16:57:42 [+0000], David Laight wrote:
    > Should both fpregs_lock() and fpregs_unlock() contain a barrier() (or "memory" clobber)
    > do stop the compiler moving anything across them?

    They already do.

    > David

    Sebastian

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