From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: [RFC] create a single workqueue for each vm to update vm irq
 routing table
Date: Tue, 26 Nov 2013 14:50:15 +0200
Message-ID: <20131126125015.GL959@redhat.com>
References: <D3E216785288A145B7BC975F83A2ED10448ADCCB@SZXEMA510-MBS.china.huawei.com>
 <20131126124810.GK959@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: KVM <kvm@vger.kernel.org>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Eric Blake <eblake@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Luonengjun <luonengjun@huawei.com>,
	"Huangweidong (C)" <weidong.huang@huawei.com>,
	"Jinxin (F)" <jinxin712@huawei.com>,
	Zanghongyong <zanghongyong@huawei.com>
To: "Zhanghaoyu (A)" <haoyu.zhang@huawei.com>
Return-path: <kvm-owner@vger.kernel.org>
Received: from mx1.redhat.com ([209.132.183.28]:17204 "EHLO mx1.redhat.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1756575Ab3KZMuf (ORCPT <rfc822;kvm@vger.kernel.org>);
	Tue, 26 Nov 2013 07:50:35 -0500
Content-Disposition: inline
In-Reply-To: <20131126124810.GK959@redhat.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

On Tue, Nov 26, 2013 at 02:48:10PM +0200, Gleb Natapov wrote:
> On Tue, Nov 26, 2013 at 12:40:36PM +0000, Zhanghaoyu (A) wrote:
> > Hi all,
> > 
> > When guest set irq smp_affinity, VMEXIT occurs, then the vcpu thread will IOCTL return to QEMU from hypervisor, then vcpu thread ask the hypervisor to update the irq routing table,
> Why vcpu thread ask the hypervisor to update the irq routing table on
> pcpu migration?
> 
Ah, I misread. Guest sets irq smp_affinity not host.

--
			Gleb.