From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Stovall Subject: sysenter msrs dont vm exit on kvm-83 Date: Fri, 6 Feb 2009 09:05:59 -0800 (PST) Message-ID: <10501938.59141233939959410.JavaMail.root@mailserv1> References: <24565226.59121233939846961.JavaMail.root@mailserv1> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit To: kvm Return-path: Received: from mail.neuraliq.com ([12.129.246.136]:45540 "EHLO mail.neuraliq.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751341AbZBFRIy (ORCPT ); Fri, 6 Feb 2009 12:08:54 -0500 Received: from localhost (localhost.neuraliq.com [127.0.0.1]) by mail.neuraliq.com (Postfix) with ESMTP id 48DBE267011A for ; Fri, 6 Feb 2009 09:06:14 -0800 (PST) Received: from mail.neuraliq.com ([127.0.0.1]) by localhost (mail.neuraliq.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bzrztdEm+Qhl for ; Fri, 6 Feb 2009 09:05:59 -0800 (PST) Received: from mail.neuraliq.com (mail.neuraliq.com [12.129.246.135]) by mail.neuraliq.com (Postfix) with ESMTP id 7FCEE2670119 for ; Fri, 6 Feb 2009 09:05:59 -0800 (PST) In-Reply-To: <24565226.59121233939846961.JavaMail.root@mailserv1> Sender: kvm-owner@vger.kernel.org List-ID: i'm running kvm-83 wrapped around a linux-2.6.24 x86. i dont see vm exits for rdmsr or wrmsr on the sysenter msrs (0x174 - 0x176) but do for the range (0x200 - 0x2ff). it does *not* seem to involve the msr bitmap (it doesnt seem to matter whether the msr bitmap is set or not set, enabled or disabled); but is there any other execution, exit, or entry control that could account for this? (i've been pouring over Ch. 20 for days, but havent come up with anything). steven