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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 8877BC10F0E for ; Fri, 12 Apr 2019 08:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C69B2083E for ; Fri, 12 Apr 2019 08:24:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="qzlEpaJa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727011AbfDLIYr (ORCPT ); Fri, 12 Apr 2019 04:24:47 -0400 Received: from mail.skyhub.de ([5.9.137.197]:40244 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726616AbfDLIYq (ORCPT ); Fri, 12 Apr 2019 04:24:46 -0400 Received: from zn.tnic (p200300EC2F0884007C96562F0B339423.dip0.t-ipconnect.de [IPv6:2003:ec:2f08:8400:7c96:562f:b33:9423]) (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 A231B1EC04B9; Fri, 12 Apr 2019 10:24:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1555057485; 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=G2hXViwABHA/ST5f19qcgrbsoJrRHVF39/dtzzomT5g=; b=qzlEpaJavmkiUOaYm9FNONhslt7rzrrulgpPqEJqEHQ/U0DEX68idC2MYWjaD8t9z7mhm0 MIKGr9zTt4S3saR3/30Ppi6eaR8fqPhgBqCXOqAQLsIyUe4CDTVxtCLZEuY/P9Q4pGVGAH VNb/YhE/CXm1lw4h8vOyI4HMMMSbR4o= Date: Fri, 12 Apr 2019 10:24:38 +0200 From: Borislav Petkov To: "Zhao, Yakui" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de, Jason Chen CJ Subject: Re: [RFC PATCH v3 2/4] x86: Add the support of ACRN guest Message-ID: <20190412082438.GA19808@zn.tnic> References: <1554711131-21514-1-git-send-email-yakui.zhao@intel.com> <1554711131-21514-3-git-send-email-yakui.zhao@intel.com> <20190408143952.GF15689@zn.tnic> <20190411134900.GG30080@zn.tnic> <222b3a4a-6706-ed11-a8cf-9e6f516cc7fe@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <222b3a4a-6706-ed11-a8cf-9e6f516cc7fe@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 12, 2019 at 08:36:34AM +0800, Zhao, Yakui wrote: > So we will leverage the X86_FEATURE_X2APIC bit from CPUID to indicate > whether the x2apic is supported in linux guest when ACRN hypervisor is > detected. > Is this fine to you? Yes, put that more precise info in the comment pls. Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.