Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753352AbbBYSf6 (ORCPT ); Wed, 25 Feb 2015 13:35:58 -0500 Received: from mail.skyhub.de ([78.46.96.112]:44668 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753309AbbBYSf5 (ORCPT ); Wed, 25 Feb 2015 13:35:57 -0500 Date: Wed, 25 Feb 2015 19:34:55 +0100 From: Borislav Petkov To: Andi Kleen Cc: Peter Zijlstra , Andi Kleen , x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] x86: Move msr accesses out of line Message-ID: <20150225183454.GA31672@pd.tnic> References: <1424482737-958-1-git-send-email-andi@firstfloor.org> <20150223170436.GC5029@twins.programming.kicks-ass.net> <20150223174340.GD27767@tassilo.jf.intel.com> <20150225122701.GK5029@twins.programming.kicks-ass.net> <20150225182032.GD823@two.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20150225182032.GD823@two.firstfloor.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 557 Lines: 18 On Wed, Feb 25, 2015 at 07:20:32PM +0100, Andi Kleen wrote: > Also we do quite a few RDMSRs, which are not necessarily > serializing. RDMSR is not serializing. Not even WRMSR when to certain ranges, see section 8.3 in the SDM 3A. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/