Messages in this thread | | | Date | Sun, 12 Dec 2004 09:59:00 +0100 | From | Manfred Spraul <> | Subject | Re: RCU question |
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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?
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