From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19A07C433C1 for ; Thu, 25 Mar 2021 11:43:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E247F61A0A for ; Thu, 25 Mar 2021 11:43:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230305AbhCYLnC (ORCPT ); Thu, 25 Mar 2021 07:43:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231776AbhCYLl5 (ORCPT ); Thu, 25 Mar 2021 07:41:57 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBDA5C06174A for ; Thu, 25 Mar 2021 04:40:45 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1616672443; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=sT1I/UDEmzPL85eivZC0vSPEz7amfXSxcoEBFJvccVc=; b=338NZ33sQXm28YsiRYrEtAEWRWEw0gsuRzLbNFyXNuCDEf1mTC/b1ULaP3E/q64FVnBtsI GzmRH+BGYAsSYk5JN0Jj9Vexe0Edv/gqugg0lcciVxa+vYMfSj+h+Bat61IFVL+hZets+m ooc40c8Irc++xT21X9voH6GLUn+Vv/KYAzu6GPQ3BEvJVLg52u7BliS8oU1rxO6fGxGLJc MsJaHuLxHkejZbp5X2kUriKxpnDKyMI1Ap16hXSbRCLqze6mYlAn4Wt0FjYoxsAMzxkS74 WoJFd5VL9NPBnBTlsSz6piLY8erxk4m1UFEObNKC7k6/9F+mUAwrP5KGkdbIyQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1616672443; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=sT1I/UDEmzPL85eivZC0vSPEz7amfXSxcoEBFJvccVc=; b=dS4JcHfmsCXPPg6+DqKl9uGjM198wpiHF5b38zDEVR2vjSucbiay4LWyiZW2cvKUPBkOz9 xuftBJf53U/hCmAA== To: Feng Tang Cc: Peter Zijlstra , John Stultz , Stephen Boyd , linux-kernel@vger.kernel.org, Qais Yousef , andi.kleen@intel.com Subject: Re: [PATCH] clocksource: don't run watchdog forever In-Reply-To: <20210325083411.GA77653@shbuild999.sh.intel.com> References: <1614653665-20905-1-git-send-email-feng.tang@intel.com> <20210302120634.GB76460@shbuild999.sh.intel.com> <875z286xtk.fsf@nanos.tec.linutronix.de> <20210325083411.GA77653@shbuild999.sh.intel.com> Date: Thu, 25 Mar 2021 12:40:43 +0100 Message-ID: <87zgyr5umc.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 25 2021 at 16:34, Feng Tang wrote: > On Wed, Mar 03, 2021 at 04:50:31PM +0100, Thomas Gleixner wrote: > > I've checked one open-sourced BIOS code project: EDK2 (https://github.com/tianocore/edk2), > where I did some grep and can't find places writting to tsc_adjust msr, > which can give us more confidence that fewer and fewer BIOS will wrongly > write to tsc_adjust msr :) The problem is not EDK2. The problem is in the $VENDOR value add which is _not_ part of EDK2. So looking at that code does not make me more confident at all. Thanks, tglx