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    SubjectRe: [PATCH 1/1] x86: fix text_poke
    Linus Torvalds wrote:
    > With each invocation being thousands of instructions and a cross-CPU IPI
    > for the tlb flush, that kind of stuff adds up. We're likely talking real
    > fractions of a second, rather than milliseconds.

    Doesn't vunmap batch the cross-CPU tlb flushes to amortize the cost?
    Hm, no, it doesn't seem to. Oh, right, it was one of Nick's TBDs.


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