From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [PATCH v3 1/3] Introduce a workqueue to deliver PIT timer interrupts. Date: Wed, 18 Apr 2012 11:27:56 +0300 Message-ID: <20120418082756.GA1020@redhat.com> References: <20120417103106.GG11918@redhat.com> <4F8D4917.5000703@redhat.com> <20120417110506.GJ11918@redhat.com> <4F8D5B4A.6070904@redhat.com> <20120417120340.GL11918@redhat.com> <4F8D5CBD.1070004@redhat.com> <4F8D9709.3020409@siemens.com> <4F8D9787.3000804@redhat.com> <20120418080431.GQ11918@redhat.com> <4F8E7A89.30503@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jan Kiszka , "kvm@vger.kernel.org" , Marcelo Tosatti To: Avi Kivity Return-path: Received: from mx1.redhat.com ([209.132.183.28]:27007 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751181Ab2DRI2A (ORCPT ); Wed, 18 Apr 2012 04:28:00 -0400 Content-Disposition: inline In-Reply-To: <4F8E7A89.30503@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Apr 18, 2012 at 11:25:45AM +0300, Avi Kivity wrote: > On 04/18/2012 11:04 AM, Gleb Natapov wrote: > > > mainline, are we okay with 254*IPIs? Maybe it's not so bad and I'm > > > overinflating the problem. > > > > > Isn't 254*IPIs can also happen if application changes memory mapping? > > > > It's not in irq context. > Ah, yes. Missed that small detail. -- Gleb.