From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 13/15] Add NMI injection support to SVM. Date: Sun, 19 Apr 2009 16:28:09 +0300 Message-ID: <49EB26E9.4060002@redhat.com> References: <1239616545-25199-1-git-send-email-gleb@redhat.com> <1239616545-25199-14-git-send-email-gleb@redhat.com> <49E8DEC1.4030802@web.de> <20090419131735.GG10126@redhat.com> <49EB2559.4000704@redhat.com> <20090419132434.GH10126@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Jan Kiszka , kvm@vger.kernel.org, joerg.roedel@amd.com, sheng@linux.intel.com, Dmitry Baryshkov To: Gleb Natapov Return-path: Received: from mx2.redhat.com ([66.187.237.31]:41425 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754429AbZDSN2U (ORCPT ); Sun, 19 Apr 2009 09:28:20 -0400 In-Reply-To: <20090419132434.GH10126@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Gleb Natapov wrote: >> There may not be a next entry if the guest is in a tight loop. Given >> NMIs are used for watchdogs, that's not good. >> >> > We don't exit a guest after kvm time slice ends? > There are no time slices any more. If there's only once thread for a vcpu, you might have no exits at all with a tickless kernel. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.