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SubjectRe: [RFC PATCH] x86 NMI-safe INT3 and Page Fault (v5)
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Mathieu Desnoyers <compudj@krystal.dyndns.org> writes:
>
> It uses RCU-style updates and has been designed to be lockless from the
> ground up.

RCU is not necessarily NMI safe. In most cases RCU needs writer locks
which you cannot do with NMIs.

-Andi


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