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    SubjectRe: [RFC PATCH 02/16] x86/split_lock: Handle #AC exception for split lock in kernel mode
    On Sun, May 27, 2018 at 08:45:51AM -0700, Fenghua Yu wrote:
    > When #AC exception for split lock is triggered from a kernel instruction,
    > by default we don't want the exception to panic the whole system. Instead,
    > the exception handler should log the fault information for debug and
    > continue the instruction execution.

    This should not happen today, did you find any unaligned LOCK insns?

    This is a lot of code to 'handle' something that really should not ever
    happen. Maybe just WARN and clear the MSR bit, nothing complicated.

    Also, fix your "disgusting drug-induced crap" comments.

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