Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp4003282rwb; Mon, 21 Nov 2022 02:29:21 -0800 (PST) X-Google-Smtp-Source: AA0mqf69Rxp2nPCaCvqINjfVzTWMJGxfnuScWphglQo4SL3udP1yMDxZUtFxnBCKdLiudLX2TbFJ X-Received: by 2002:a17:902:7d94:b0:188:f4f4:2000 with SMTP id a20-20020a1709027d9400b00188f4f42000mr11234823plm.173.1669026561359; Mon, 21 Nov 2022 02:29:21 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669026561; cv=none; d=google.com; s=arc-20160816; b=F+uy4rGdIpOH2QI7Ewq7c8C0cLMu5k07vveHU8MXokxTM2XqHHUPQMTCKDW9aUafAf RI9BAE0qxLnywrZit4WD7JqJR+vIO/fTwHR1wKqNtGPVStxpN1xRjEuFwYHsIerB2xsP Dd4Qps0ShErjtfngNEeQtKTGL7QzZV6LK5BMH6zF9mr9lOzAI6YvPagI0zEBKFyTUMpA 3q494K9DI7pR/InyXQr5i7PRgZhc0mop25V27u5zjbG1vrKnOBfk1/4NrR0sLr7JflMQ Av2ULqf7sisDy8sRo/dV6sd37PRj9aw82oC7yBOPyxk5pWVMJ8vUqpNaXpsnsMxBu4r3 XbTw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=zhZR9E8D+GE8Df/7fVNIeKOxxDo4AIFGKHQTkCAiLJo=; b=G5dN3rfuEPyAzZOuXUfnwNpowX0MC8hgnPhr+GBPOIxSCk0y1Eq+oZgys8R3PmDbKJ 637zvR8E6gaA1Op+cXXChh8Ep9LDNV5JuhK+wyJcx8dR+Vx+swR5XZ9XBgBMflH9U9yE hsqj0C/dvvSo2YRmHnBweygVY9DQP8yCaFyKKcJ4MToGreJFAeGBrYvRtwYPodzHA3Zh 4Vb/Z+MKupfvvu3dN5ugHyY5CQ9yg5lnv7zg0WPkal7gbiMGOeG9x+sypvYZNS2xknIb Er4aSiDqyGFZCzp83HYhEww4N+5nqe0g2UTa02FWGKFlHAKSSlHMLW2X2NkOEoGYqiC2 myRw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=ql1XJAVI; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id l24-20020a17090aaa9800b00215e0e55a9esi10067876pjq.38.2022.11.21.02.29.08; Mon, 21 Nov 2022 02:29:21 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=ql1XJAVI; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229892AbiKUJdT (ORCPT + 91 others); Mon, 21 Nov 2022 04:33:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230034AbiKUJdQ (ORCPT ); Mon, 21 Nov 2022 04:33:16 -0500 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A92CE101FF for ; Mon, 21 Nov 2022 01:33:12 -0800 (PST) Received: from zn.tnic (p200300ea9733e725329c23fffea6a903.dip0.t-ipconnect.de [IPv6:2003:ea:9733:e725:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 74EC41EC053F; Mon, 21 Nov 2022 10:33:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1669023191; 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: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=zhZR9E8D+GE8Df/7fVNIeKOxxDo4AIFGKHQTkCAiLJo=; b=ql1XJAVIBV1jB2+IwLffBsii2+SjZLgIcWyIvg1LE8fZfh0cd/kiwZb6e8gxwIAI/oFQVh 5ZbNyEYZ4f/+cbxypB1Hrb7GwBP9qaAHT0MyhTSdxIRJxlgL9kAgumCQhNwSWoXZ70h45A C2568p/CPBNnlPdgk+qoGV4HzHbayZI= Date: Mon, 21 Nov 2022 10:33:06 +0100 From: Borislav Petkov To: Fei Li Cc: linux-kernel@vger.kernel.org, x86@kernel.org, peterz@infradead.org, dave.hansen@intel.com, gregkh@linuxfoundation.org, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, hpa@zytor.com, Yu1.Wang@intel.com, conghui.chen@intel.com, fengwei.yin@intel.com, junjie.mao@intel.com Subject: Re: [PATCH v2] x86/acrn: Set X86_FEATURE_TSC_KNOWN_FREQ Message-ID: References: <20221101053019.174948-1-fei1.li@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 14, 2022 at 04:14:25PM +0800, Fei Li wrote: > ACRN hypervisor assumes: So ACRN assumes the HV has a good TSC and if it doesn't, oh well, tough luck. At least this is how I read this. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette