From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH v3 1/3] Introduce a workqueue to deliver PIT timer interrupts. Date: Tue, 17 Apr 2012 13:29:04 +0300 Message-ID: <4F8D45F0.4020908@redhat.com> References: <1276722673-19011-1-git-send-email-clalance@redhat.com> <1276722673-19011-2-git-send-email-clalance@redhat.com> <4F8C49D6.9010603@siemens.com> <20120417093123.GB11918@redhat.com> <4F8D44B8.1000102@redhat.com> <20120417102601.GF11918@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Jan Kiszka , kvm@vger.kernel.org, Marcelo Tosatti To: Gleb Natapov Return-path: Received: from mx1.redhat.com ([209.132.183.28]:56715 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751171Ab2DQK3I (ORCPT ); Tue, 17 Apr 2012 06:29:08 -0400 In-Reply-To: <20120417102601.GF11918@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 04/17/2012 01:26 PM, Gleb Natapov wrote: > > It isn't, since you need to send an IPI. > > > That is exactly what I forget whether you can send IPI from there :) > Anyway this is another reason. > Actually I was wrong. You can't smp_call_function_single() from irq context (deadlocks if two vcpus do that), but we send a reschedule interrupt. So it should work. -- error compiling committee.c: too many arguments to function