From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: allow kprobes to run on top of preempt emulation Date: Thu, 05 Jun 2008 10:06:42 +0300 Message-ID: <48479082.8010209@qumranet.com> References: <20080604230933.GU21613@duo.random> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Andrea Arcangeli Return-path: Received: from bzq-179-150-194.static.bezeqint.net ([212.179.150.194]:14263 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751868AbYFEHGo (ORCPT ); Thu, 5 Jun 2008 03:06:44 -0400 In-Reply-To: <20080604230933.GU21613@duo.random> Sender: kvm-owner@vger.kernel.org List-ID: Andrea Arcangeli wrote: > This patch makes preempt emulation more strict in differentiating its > own dr0 hardware breakpoint from a singlestep in return from kprobes > pre-handler that will invoke the post-handler through int1 debug TS on > eflags. This avoids GPF when kprobes returns from pre-handler with the > dr7 loaded with preempt emulation. > > Applied, thanks. -- error compiling committee.c: too many arguments to function