From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754450AbaCJTTm (ORCPT ); Mon, 10 Mar 2014 15:19:42 -0400 Received: from cpsmtpb-ews02.kpnxchange.com ([213.75.39.5]:51916 "EHLO cpsmtpb-ews02.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754415AbaCJTTj (ORCPT ); Mon, 10 Mar 2014 15:19:39 -0400 Message-ID: <1394479176.18058.10.camel@x41> Subject: Re: [RESEND] Fast TSC calibration fails with v3.14-rc1 and later From: Paul Bolle To: Thomas Gleixner Cc: Jerome Oufella , Julian Wollrath , x86@kernel.org, linux-kernel@vger.kernel.org Date: Mon, 10 Mar 2014 20:19:36 +0100 In-Reply-To: References: <20140310110410.5b2218f6@ilfaris> <1394447253.2979.12.camel@x220> <1394465314.12752.18.camel@x220> <1394476346.12752.43.camel@x220> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4 (3.10.4-2.fc20) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 10 Mar 2014 19:19:37.0312 (UTC) FILETIME=[AD590600:01CF3C95] X-RcptDomain: vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thomas Gleixner schreef op ma 10-03-2014 om 19:57 [+0100]: > On Mon, 10 Mar 2014, Paul Bolle wrote: > > > > Or is there a way to handle the "SMI nonsense" (whatever that may be)? > > No, there is none. That's "value add" from the BIOS/board manufacturer > which utilizes the System Management Interrupt and steals CPU time > from the OS. So could you please consider downgrading this message? Yes, this will make regressions less visible, although I'm unsure we're actually seeing a regression here. But I think that this is better than scaring people about a situation they can't easily do something about, if at all. Especially since fast TSC calibration failures, apparently, can be worked around. Paul Bolle