From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756120Ab0ERKDn (ORCPT ); Tue, 18 May 2010 06:03:43 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:34548 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752602Ab0ERKDm convert rfc822-to-8bit (ORCPT ); Tue, 18 May 2010 06:03:42 -0400 Subject: Re: [PATCH] x86: Export tsc related information in sysfs From: Peter Zijlstra To: Arjan van de Ven Cc: Dan Magenheimer , Thomas Gleixner , Andi Kleen , Venkatesh Pallipadi , Ingo Molnar , "H. Peter Anvin" , chris.mason@oracle.com, linux-kernel@vger.kernel.org In-Reply-To: <1274176698.5605.7358.camel@twins> References: <1273887635-27610-1-git-send-email-venki@google.com> <87tyq9mqrz.fsf@basil.nowhere.org> <35aa841b-e151-424d-b1c1-0c03dbcae5cc@default> <20100515121424.38f5b389@infradead.org> <20100515224305.17a04022@infradead.org> <5adf3fee-0f7b-4039-b13f-619640cc4b88@default> <20100516220638.2baf315d@infradead.org> <1274176698.5605.7358.camel@twins> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Tue, 18 May 2010 12:03:01 +0200 Message-ID: <1274176981.5605.7376.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2010-05-18 at 11:58 +0200, Peter Zijlstra wrote: > On Sun, 2010-05-16 at 22:06 -0700, Arjan van de Ven wrote: > > look we're not disabling ring 3 tsc. We could, but we don't. > > Maybe we should. We could then trap and emulate it with something sensible like clock monotonic. /me runs :-)