From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH 3/5] Move irq notifiers lists to its own locking. Date: Mon, 13 Jul 2009 18:40:07 +0300 Message-ID: <20090713154007.GA10651@redhat.com> References: <1247476355-27284-1-git-send-email-gleb@redhat.com> <1247476355-27284-4-git-send-email-gleb@redhat.com> <20090713114550.GA10387@redhat.com> <20090713114844.GF28046@redhat.com> <20090713142320.GJ10402@redhat.com> <20090713143750.GS28046@redhat.com> <20090713144920.GL10402@redhat.com> <20090713152311.GN23086@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org, avi@redhat.com, mtosatti@redhat.com To: Gleb Natapov Return-path: Received: from mx2.redhat.com ([66.187.237.31]:38478 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755854AbZGMPlB (ORCPT ); Mon, 13 Jul 2009 11:41:01 -0400 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n6DFf1D3018325 for ; Mon, 13 Jul 2009 11:41:01 -0400 Content-Disposition: inline In-Reply-To: <20090713152311.GN23086@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Mon, Jul 13, 2009 at 06:23:11PM +0300, Gleb Natapov wrote: > > So, to summarize: this patch does not help speed irq injection up, the > > only reason to change locking here is cosmetical. Is this a fair > > summary? > > > The whole series helps to speed irq injection up. This patch is one step > towards the goal. Let me rephrase: it's possible to drop patches 2 and 3 from the series and irq injection will still be lockless. Correct? -- MST