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    SubjectRe: [PATCH] Fix triplefault on x86-64 bootup


    On Sun, 12 Aug 2007, Linus Torvalds wrote:
    >
    > Hmm. Patch looks ok, I just wonder what started triggering this for you?

    Oh. It's the "Make patching more robust" commit.

    "Robust" my ass.

    We used to just copy the replacement in one go (works fine, since it just
    overwrote the two first bytes), and then "nop_out()" the rest (works fine,
    since it didn't matter for memcpy).

    That whole commit looks a bit dubious. It also adds a 254-byte stack
    usage (anything actually even close to that big?). Gaah.

    Linus
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