Re: [PATCH 08/13] xen/pvticketlock: disable interrupts while blocking

From: Andi Kleen
Date: Tue Sep 13 2011 - 15:58:40 EST


> Or are you saying an NMI in an idle system will have the same %rip thus
> falsely detecting a back-to-back NMI?

Yup.

Another problem is very long running instructions, like WBINVD and some others.
If there's a high frequency NMI it may well hit multiple times in a single
instance.

-Andi

--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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