From: Avi Kivity <avi@redhat.com>
To: "Dong, Eddie" <eddie.dong@intel.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: EOI acceleration for high bandwidth IO
Date: Mon, 06 Jul 2009 17:03:50 +0300 [thread overview]
Message-ID: <4A520446.7030709@redhat.com> (raw)
In-Reply-To: <9832F13BD22FB94A829F798DA4A8280501B9CF542E@pdsmsx503.ccr.corp.intel.com>
On 07/06/2009 04:42 PM, Dong, Eddie wrote:
> EOI is one of key VM Exit at high bandwidth IO such as VT-d with 10Gb/s NIC.
> This patch accelerate guest EOI emulation utilizing HW VM Exit
> information.
>
Won't this fail if the guest uses STOSD to issue the EOI?
(of course, no guest does this, just looking for potential problems)
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-07-06 14:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-06 9:34 bridge + KVM performance Martin Petermann
2009-07-06 11:53 ` Dor Laor
2009-07-06 13:42 ` EOI acceleration for high bandwidth IO Dong, Eddie
2009-07-06 14:03 ` Avi Kivity [this message]
2009-07-06 14:34 ` Dong, Eddie
2009-07-06 14:53 ` Avi Kivity
2009-07-06 19:27 ` bridge + KVM performance Martin Petermann
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