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    SubjectRe: [RFC PATCH 00/16] x86/split_lock: Enable #AC exception for split locked accesses
    On Thu, 21 Jun 2018, Fenghua Yu wrote:
    > The control knob for user is to choose killing the process (default) or
    > re-executing the faulting instruction without blocking the process.
    > Re-executing the instruction maybe be useful in platforms that run
    > well controlled apps with less split locks.

    Again, that's totally overengineered ballast. If you care, kill the thing
    and if not, then disable #AC. There are other architectures which trap on
    any unaligned access, so it's nothing new.

    Thanks,

    tglx

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