Messages in this thread | | | Date | Fri, 22 Jun 2018 11:25:21 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [RFC PATCH 00/16] x86/split_lock: Enable #AC exception for split locked accesses |
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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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