Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp809517imm; Thu, 26 Jul 2018 12:22:45 -0700 (PDT) X-Google-Smtp-Source: AAOMgpf6TzQqozGhyHbLXk/nOutQRO/mKZ56v/hwTLISA6vM8RCL1LNuPQyvzd05yq9/ZlvX8LPi X-Received: by 2002:a17:902:d24:: with SMTP id 33-v6mr3064571plu.211.1532632965568; Thu, 26 Jul 2018 12:22:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532632965; cv=none; d=google.com; s=arc-20160816; b=yrcVFcVEBvzqtOIehmX+uuGDD9eCNAhDYTvfdgO68lU/HaKuVNNhyvvqn/rHj39KKA 7OvWvA18kiLjB/XsIo82R69sSKkvdioGaPZN59KfWNNQ/Ya/8N/gcJguTbaW5vXQyi2x FZWJ2hfSxF+cHC6DlUpcNyq7uAAMI/l+mkcVWvUKwChOfZmpq+amzICwO80ab/HSE7DO iNrI4yi/sdyvWw5dR2AUqRdFz2eKixXBY1p8CfoYIRTKS/u+ripoJhAqO28mkhYuZ2wD O2uZ74WoUCWflsWtGkcYVNAIXMxC9DVuHk59bNBss3V+LpIvXInpuh+6jyhPQ42xT8xH o8Rg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:references:cc:to:from:subject:arc-authentication-results; bh=l/fbyoZ+JalB7Vl/E3jTZeQ1ncsdJHs5dMhvs//udZY=; b=DpSsZvIR6ZW/kyJ1yhxZv2xhuOnEor8Lq8pWqwthYt8S9y0EwpxXSGK6Uq+icZUKik isYEAmDmjB2IkGbsE3Ft63q0awtgtW2UVmhTwCMfSYMipcoqdOaBOMrHQT8GvbuFlknT tEDxEO4t4NR7Ee3Csiyf/IG7PDhc/U+8q8uLTITA1RsE7dV8WS8usKqScR5CSp7fI2AT rb7PpP1tMnrCc+tufxmAz2xUqL/NkfmZJ/NRl93Lbmvk5yWRZ6T+8s/4vbe+CnQnJ14L oktnLpPhtAxv+Mygia23Of4jJKZUha1aaRrst51blPVU6tU1kVSzmkGxraW/p/PzC9VE ZYvQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v203-v6si1879590pgb.333.2018.07.26.12.22.30; Thu, 26 Jul 2018 12:22:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731551AbeGZUjj (ORCPT + 99 others); Thu, 26 Jul 2018 16:39:39 -0400 Received: from mga.supermicro.com ([207.212.57.84]:39512 "EHLO mga.supermicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730533AbeGZUjj (ORCPT ); Thu, 26 Jul 2018 16:39:39 -0400 Received: from pps.filterd (MGA.supermicro.com [127.0.0.1]) by MGA.supermicro.com (8.16.0.22/8.16.0.22) with SMTP id w6QJLN7x025258; Thu, 26 Jul 2018 12:21:23 -0700 Received: from ex2013-mbx1.supermicro.com ([10.2.1.36]) by MGA.supermicro.com with ESMTP id 2kc4esa19c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 26 Jul 2018 12:21:23 -0700 Received: from [172.16.95.100] (10.2.0.41) by EX2013-MBX1.supermicro.com (10.2.1.36) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Thu, 26 Jul 2018 12:20:26 -0700 Subject: Re: [RFC] x86, tsc: Add kcmdline args for skipping tsc calibration sequences From: patrickg To: "Brown, Len" , "linux-kernel@vger.kernel.org" CC: "mingo@kernel.org" , "Du, Alek" , "arjan@linux.intel.com" , "Tang, Feng" References: <1A7043D5F58CCB44A599DFD55ED4C94849A1AACF@FMSMSX126.amr.corp.intel.com> Message-ID: <94bebaa1-992b-572b-0d24-e08037611358@supermicro.com> Date: Thu, 26 Jul 2018 12:21:22 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.2.0.41] X-ClientProxiedBy: EX2013-CA1.supermicro.com (10.2.1.31) To EX2013-MBX1.supermicro.com (10.2.1.36) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-07-26_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=589 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807260198 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tsc_khz still zero with production CPU's, so it's reassigning tsc_khz to the cpuid-acquired cpu_khz value.