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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 9D5C8ECE588 for ; Tue, 15 Oct 2019 10:35:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E7532067B for ; Tue, 15 Oct 2019 10:35:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="phKt1qHN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730767AbfJOKfg (ORCPT ); Tue, 15 Oct 2019 06:35:36 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:44776 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726441AbfJOKfg (ORCPT ); Tue, 15 Oct 2019 06:35:36 -0400 Received: by mail-wr1-f68.google.com with SMTP id z9so23184378wrl.11; Tue, 15 Oct 2019 03:35:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DZhF+IJMFrGCNSt/DYaWxJMskyfNVl1OJiwVFgA4loI=; b=phKt1qHNEFEJNA1t+ZpAsxyeHJG01qYZqf07iMDNOj/R/AI+QF4k4ftjUBAEhBLqfW B8PgmrupMXS+crT4mizGWEuCs7N71Yw1VHfvuQrvJfe+vU3CNE78lpWCx9Povq4P/kTp Ii4xaqThvDDlCnIJMwM5A8M3uw6svphS7iaTWIF+bm5z1vizxpGupIQSMAiGmvutI4+Q VBQ4FDtRWOamvRSMBSokcMxypAuzgkn83Lhh7B2xef/SEGYKJ/L5Dg8BHBDjDHlkRzJT 2M5IXf4Ada1fRUk5OzPzkFihvjAuvTgvNOtkWp5Vgqc9Kz5o1Qg7wVAdt6Soe+jfLo3B 7a1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DZhF+IJMFrGCNSt/DYaWxJMskyfNVl1OJiwVFgA4loI=; b=eOMd9KdIYFTiZdugH4WiTXixlWmz5RgDnIaHPtddU1QYTKDCq5axbZQ4lPouIYYbf1 Oo/KdLog3xJhRSSgQ8dcE+Suka07QnWQ6pojCKynI5NONHgKvgXxIVOyXdouL6JfpMN7 OiWXPh7kHebGCzbWzde0aqWajyW6S60lnHDGrAaNJkIXOd6Mq63AXGWWm9U3Ecl0EO9n bqnFKWQOplxQJh3XIjjMBeP1w+wIul+q56TbbRnju/PsesuRdyKpAJLAr4tGmDMUtohb Q+6PUB/6WGYYocEwVyqVD8D0AKXpkBd1c/moj5jqWrA9uzqQbfGMtmDav/RUpHf5L+Dm CU6w== X-Gm-Message-State: APjAAAUNSiMvxn8u97WrRD4cfA4t2Oa9FXl2Q3xLO2fc2QQkdYIZlmRw F6up5qnNxONvMPDPqu0Umu0urASZBmy7zQ== X-Google-Smtp-Source: APXvYqwbx/z0JfB8Tw+7CM0PNbXcRtKsIyNEpzo53nL0HJKVRpO4HUFgZ70IHYwoWPeSM3Na+kuHdQ== X-Received: by 2002:a5d:6949:: with SMTP id r9mr27369305wrw.106.1571135733069; Tue, 15 Oct 2019 03:35:33 -0700 (PDT) Received: from andrea.corp.microsoft.com ([2a01:110:8012:1010:8d42:cc61:bfff:65c2]) by smtp.gmail.com with ESMTPSA id a13sm55546549wrf.73.2019.10.15.03.35.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 03:35:32 -0700 (PDT) From: Andrea Parri To: linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, x86@kernel.org Cc: "K . Y . Srinivasan" , Haiyang Zhang , Stephen Hemminger , Sasha Levin , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Michael Kelley , Vitaly Kuznetsov , Dexuan Cui , Wei Liu , Andrea Parri Subject: [PATCH v2] x86/hyperv: Set pv_info.name to "Hyper-V" Date: Tue, 15 Oct 2019 12:35:02 +0200 Message-Id: <20191015103502.13156-1-parri.andrea@gmail.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Michael reported that the x86/hyperv initialization code printed the following dmesg when running in a VM on Hyper-V: [ 0.000738] Booting paravirtualized kernel on bare hardware Let the x86/hyperv initialization code set pv_info.name to "Hyper-V"; with this addition, the dmesg read: [ 0.000172] Booting paravirtualized kernel on Hyper-V Reported-by: Michael Kelley Signed-off-by: Andrea Parri --- Changes since v1 ([1]): - move the setting of pv_info.name to ms_hyperv_init_platform() (Wei Liu) [1] https://lkml.kernel.org/r/20191015092937.11244-1-parri.andrea@gmail.com arch/x86/kernel/cpu/mshyperv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 267daad8c0360..e7f0776e2a811 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -216,6 +216,8 @@ static void __init ms_hyperv_init_platform(void) int hv_host_info_ecx; int hv_host_info_edx; + pv_info.name = "Hyper-V"; + /* * Extract the features and hints */ -- 2.23.0