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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52FA2C433F5 for ; Mon, 9 May 2022 13:43:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236335AbiEINrq (ORCPT ); Mon, 9 May 2022 09:47:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236326AbiEINrk (ORCPT ); Mon, 9 May 2022 09:47:40 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F59A23EB72 for ; Mon, 9 May 2022 06:43:45 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1652103823; 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=Wbw2PH2q14vqy2arD6A5/F7F25g9KpGTKHYXn8LUfgQ=; b=rIpSMu4/xnQ6lA1lN8+zpOxJHz49PRCVJM48Iy2uMVDhuWdYiha6FIUZDMcDFsq1b+2qS7 cwrNHuX3hSdsrPdgk4Fu2Qox11ZQlIzflEWGDcydkuJUANuN+RW6CguVxPDyF4lng0CDAC 8iea3YuBdJV+xfwHOjpEVs9w4JluHqGI02U7qGTqxpG/epTyk0OF+x9qLrvAh935Anmvdn skS9Bs4VHzYRPIeFSY8F8sEbdY9wHB0IYHVJFI59WtOQ/9c3f+w+lGDWFj4TUhTWQKBpVJ KC7xq/qTQjGfAXsYCV0jdWFWeIN8SBaKhAC2IdGxa+eH43UzOlES5tRwk8phVw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1652103823; 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=Wbw2PH2q14vqy2arD6A5/F7F25g9KpGTKHYXn8LUfgQ=; b=YGrx6stVKx4sWKygF1Mm7p3ObN3wWGYMA/PyZpf7D/6W+duuRmq0sMuxGfe51iGt6Y9hhQ olIm5/J8DYDvLvBA== To: Feng Tang Cc: Peter Zijlstra , Ingo Molnar , Borislav Petkov , Dave Hansen , "H . Peter Anvin" , Jonathan Corbet , x86@kernel.org, linux-kernel@vger.kernel.org, paulmck@kernel.org, rui.zhang@intel.com, len.brown@intel.com, tim.c.chen@intel.com Subject: Re: [PATCH] x86/tsc: Add option to force HW timer based recalibration In-Reply-To: <20220509133622.GE40730@shbuild999.sh.intel.com> References: <20220508144733.91343-1-feng.tang@intel.com> <20220509045839.GA40730@shbuild999.sh.intel.com> <20220509071652.GE76023@worktop.programming.kicks-ass.net> <20220509073003.GB40730@shbuild999.sh.intel.com> <87h75zrpmh.ffs@tglx> <20220509112235.GD40730@shbuild999.sh.intel.com> <87levarh7m.ffs@tglx> <20220509133622.GE40730@shbuild999.sh.intel.com> Date: Mon, 09 May 2022 15:43:43 +0200 Message-ID: <87czgmrfcg.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 09 2022 at 21:36, Feng Tang wrote: > On Mon, May 09, 2022 at 03:03:25PM +0200, Thomas Gleixner wrote: >> TSC accuracy is important in any case. Why would it be more important on >> server platforms? Just because? > > It was my wild guess, as I thought servers used by enterprise or financial > system may care more about the accuracy. Guess-ineering is not really leading anywhere. Facts matter. Thanks, tglx