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SubjectRe: RCU question
Zwane Mwaikambo wrote:

>"Intel processors don't suppress SMI or NMI after an STI instruction.
>Since the INTR suppresion is not preserved across an SMI or NMI handler,
>this may result in an INTR being serviced after the STI, which constitutes
>a violation of the INTR suppresion.
>
>
Interesting find.
It means that our NMI irq return path should check if it points to a hlt
instruction and if yes, then increase the saved EIP by one before doing
the iretd, right?

--
Manfred
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