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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] NMI delivery not correctly working
On 24/7/07 16:47, "Christoph Egger" <Christoph.Egger@xxxxxxx> wrote: > I know, there is a line "current->nmi_masked = 0;" in do_iret() in > xen/arch/x86/x86_(32|64)/traps.c, but this is actually never called > after NMI delivery. Guests *must* use the iret hypercall when returning from their NMI handler. This is giving a virtualised equivalent of the 'NMI-blocking' latch implemented in x86 processors, which is reset by the IRET instruction. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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