From mboxrd@z Thu Jan  1 00:00:00 1970
From: Muli Ben-Yehuda <muli@il.ibm.com>
Subject: Re: Remaining passthrough/VT-d tasks list
Date: Sun, 28 Sep 2008 09:03:16 +0300
Message-ID: <20080928060316.GC7239@il.ibm.com>
References: <0122C7C995D32147B66BF4F440D3016301C49E61@pdsmsx415.ccr.corp.intel.com> <200809241431.13571.sheng.yang@intel.com> <48D9FC8B.2040902@redhat.com> <200809271715.54439.sheng.yang@intel.com> <48DE01AB.2050303@redhat.com> <48DE0672.4060801@web.de> <48DE07F6.1080908@redhat.com>
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Cc: Jan Kiszka <jan.kiszka@web.de>,
	"Yang, Sheng" <sheng.yang@intel.com>,
	"Han, Weidong" <weidong.han@intel.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Amit Shah <amit.shah@redhat.com>,
	Ben-Ami Yassour1 <BENAMI@il.ibm.com>,
	"Kay, Allen M" <allen.m.kay@intel.com>,
	"Zhang, Xiantao" <xiantao.zhang@intel.com>
To: Avi Kivity <avi@redhat.com>
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On Sat, Sep 27, 2008 at 01:16:22PM +0300, Avi Kivity wrote:

> Using MSI works around the issue nicely, since interrupts are no
> longer shared.  I imagine SR-IOV also fixes the issue.

SR-IOV mandates the use of either MSI or MSI-X for VFs.

Cheers,
Muli
-- 
The First Workshop on I/O Virtualization (WIOV '08)
Dec 2008, San Diego, CA, http://www.usenix.org/wiov08/
                      xxx
SYSTOR 2009---The Israeli Experimental Systems Conference
http://www.haifa.il.ibm.com/conferences/systor2009/