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SubjectRE: [PATCH v2 3/4] x86/split_lock: Handle #AC exception for split lock
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>> +	WARN_ONCE(1, "A split lock issue is detected. Please FIX it\n");
>
> But, warning here is also not super useful. Shouldn't we be dumping out
> the info in 'regs' instead of the current context? We don't care about
> the state in the #AC handler, we care about 'regs'.

Maybe:

WARN_ONCE(1, "split lock detected at %pF\n", regs[EIP]);

-Tony
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