Messages in this thread | | | From | "Woodhouse, David" <> | Date | Tue, 17 May 2011 10:49:08 +0100 | Subject | Re: [PATCH v2] x86, vt-d: enable x2apic opt out |
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On Mon, 2011-05-16 at 21:32 +0100, Alex Williamson wrote: > Just a guess, but the OEM probably hasn't updated their SMI handlers to > understand x2apic yet and won't before the product ships because some > other OS doesn't bother to use x2apic.
Yay, crappy closed-source BIOS holds back the platform yet again.
> We can still enable interrupt remapping w/o x2apic though, so I'm > curious what other irq injection tricks you're referring to. Thanks,
http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf
-- David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation [unhandled content-type:application/x-pkcs7-signature] | |