Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp190753yba; Fri, 12 Apr 2019 01:25:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqwqRx9Fu+wnEP2QpxfteQBX/T4QLhi/A0YNxs2mwhwz2oRvIVNoaofLaXK+WIWR3/VzuhUm X-Received: by 2002:a17:902:3183:: with SMTP id x3mr56132691plb.170.1555057548279; Fri, 12 Apr 2019 01:25:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555057548; cv=none; d=google.com; s=arc-20160816; b=nelXxKTSdr/Kf4ZaXfoCRroE0yMMC2HB4pztTq2NlCehqoWhlwaxQJLw0ow26yNujo 81UeLDoCvq0q3UStkygrIHs7kHGcXbRwzodYMTSWo5TpFV9hu4L8c0UB916UXNGg0CTN r5x58ih3A3GxdmcJeEHieg0Fe9YoRrw7i/VrCrZID0PdzrJAkijDl01sjT7b6UdWUGOH tZBjJpYsyJN3zOtvwKbZz5uvkT5k6EH9FynG71bm6xq63sG0mE//lgBuR+zqkdRKgbi5 4+qbnnh1yt293eT704kgWn9zX3x9IIZOfrs8j+KKk5PeY6LLrLWyv815ezkeDY4r9bSt yprQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=G2hXViwABHA/ST5f19qcgrbsoJrRHVF39/dtzzomT5g=; b=yHQFuPsQ3QdqaYELU/IrVu43PTA8i46SI6rbNRRnv5Lj0MW5LFFueeBc9ptyixIMkG BvJxLXAUwKDqLtGIikcMyLnUckygfvwWWsgwLup1ymNA7ocwTWNjwdqiX9DZhpsiMO6o P0RGL5GOr2+TZ0Dw91pPRVfkjPktQ+uFH+68FIHkmtmtf+ztzj3l5eEe1Q5o4VoN16tm oWRIvDbzHQxNjuPl0pK91wQ5Z26ZImXrWB9eQXvHmT29n0wHKiAsTGrwzy7HYmi4fTU2 gJuTEvMadvsz7G8mixWm5azxkkY6sAAa+jFr509spoHrMZNvkl04/ZmjUCiJAO7LZiWP JBAg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=qzlEpaJa; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q13si36605613pff.3.2019.04.12.01.25.30; Fri, 12 Apr 2019 01:25:48 -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; dkim=pass header.i=@alien8.de header.s=dkim header.b=qzlEpaJa; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726914AbfDLIYr (ORCPT + 99 others); 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.