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Message-ID: <1323786613.3263.13.camel@lappy>
Subject: Re: [patch 0/3] kvm tool: Serial emulation overhaul
From: Sasha Levin <levinsasha928@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
        Pekka Enberg <penberg@kernel.org>, LKML <linux-kernel@vger.kernel.org>
Date: Tue, 13 Dec 2011 16:30:13 +0200
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On Tue, 2011-12-13 at 16:23 +0200, Avi Kivity wrote:
> With qemu, -cpu host or -cpu blah,+x2apic.  kvm-tool does the equivalent
> of -cpu host, so I'm surprised it doesn't show up.  x2apic has been
> recognized by the guest for a long time (ce69a784; 2.6.32, I'll be
> surprised if you have anything older than that on your machine).
> 
> Does x2apic show up in your guest's /proc/cpuinfo? 

It should be detected on the guest. kvm tool does currently have an
issue where if x2apic is enabled, MSI-X interrupts will only go to
VCPU#0 (ideas for solving that are welcome).

-- 

Sasha.