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    SubjectRe: [PATCH v2 4/4] x86/static_call: Add inline static call implementation for x86-64
    On Thu, Nov 29, 2018 at 9:13 AM Steven Rostedt <rostedt@goodmis.org> wrote:
    >
    > No, we really do need to sync after we change the second part of the
    > command with the int3 on it. Unless there's another way to guarantee
    > that the full instruction gets seen when we replace the int3 with the
    > finished command.

    Making sure the call instruction is aligned with the I$ fetch boundary
    should do that.

    It's not in the SDM, but neither was our current behavior - we
    were/are just relying on "it will work".

    Linus

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