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 966A6C43217 for ; Fri, 18 Mar 2022 03:10:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231563AbiCRDJo (ORCPT ); Thu, 17 Mar 2022 23:09:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231366AbiCRDJm (ORCPT ); Thu, 17 Mar 2022 23:09:42 -0400 Received: from mail-pl1-x641.google.com (mail-pl1-x641.google.com [IPv6:2607:f8b0:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C54D37AAC; Thu, 17 Mar 2022 20:08:22 -0700 (PDT) Received: by mail-pl1-x641.google.com with SMTP id n2so6025368plf.4; Thu, 17 Mar 2022 20:08:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DLOuy4vTpwrDzoB8dNyfy/kPY2i/RiV4Kuc3rmmq9WE=; b=qNAgTrZE6Kaz272Z3dneXvEe9rr4IhXtbCn+u3kwI+KcOcf7khKOpoeFQ087xbsCiW ADIFRMDsju1LLMWDZU5wfkmNIdr2WMlhITVT1iVV0UYJieDYPUEHJdJla1c2ULy0DHZF zQPzaN55aKOdpDDHfIbt7JxAzr9ugjg5gi1bhKlfCx3Rv212zGkZQz8ClEGw3qhurTXt vt7x2ak/v9jakcvWxCWCfx8Mwhm6Vc11oB/clOwz20uh6+jFp6Mr4hX/5LW4MBgC+nOA qjvn+/oYCiRIRIRFJLlEmjd1vX4Dv+KDY1595R6UKYTMZyaGYZfXUCzSM5u6a0PJKjWR 8U1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DLOuy4vTpwrDzoB8dNyfy/kPY2i/RiV4Kuc3rmmq9WE=; b=ovQLrpKcjPkQ2coQ6Ofs2+5NIWWz0Pi7waCIxiqxFPhcbVpaEf6QSpttb7vcVDQKL9 RmuNZMG3U71IS6IQ3Z+4BFFaCYUm4ttQ7HkKkCfL3jXKLvu96/7OXYw6Fr+eQBay7+Xv eNfBhhT7gjBuV0/Rayj+sOLPlYs+PL/soudIcOWhMI2HYnS4E/mOQoDfOhsm9cQxXm0b UuXtaIB07f8j27ubK4g4c52QKLVDeyfYQOVOCoVM1yeR4bpub63ChsaG15FzSjbvqgJi iqxUkln3OU8XmTRKKkWC4TOs1fdUyY5aldIiNDAXIJ8gDT+FuTd6I22FrBsHmRDdxB5A Qi/g== X-Gm-Message-State: AOAM533qlTTmY/bLeaLJoljwBoGoxbOInv5w4ZK07lIpUv+lFTEvC6tw IRKcU8KgzJO7sEGtAamK5HI= X-Google-Smtp-Source: ABdhPJzY40xVDDuom6Vxxepk/wNdmhNtzLUOY2HRt7VMjsM+NZXRdIBN36FfmoD8wfDpr1Zexc9jgg== X-Received: by 2002:a17:902:c946:b0:151:efa2:3789 with SMTP id i6-20020a170902c94600b00151efa23789mr8444008pla.144.1647572901288; Thu, 17 Mar 2022 20:08:21 -0700 (PDT) Received: from localhost.localdomain ([103.149.162.115]) by smtp.gmail.com with ESMTPSA id 132-20020a62168a000000b004f40e8b3133sm8445845pfw.188.2022.03.17.20.08.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Mar 2022 20:08:20 -0700 (PDT) From: Dongli Si X-Google-Original-From: Dongli Si To: bp@alien8.de Cc: acme@kernel.org, alexander.shishkin@linux.intel.com, dave.hansen@linux.intel.com, hpa@zytor.com, joerg.roedel@amd.com, jolsa@kernel.org, kim.phillips@amd.com, kvmx86@gmail.com, liam.merwick@oracle.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mark.rutland@arm.com, mingo@kernel.org, namhyung@kernel.org, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org Subject: Re: [PATCH v3] perf/x86/amd: Don't touch the Host-only bit inside the guest hypervisor Date: Fri, 18 Mar 2022 11:07:57 +0800 Message-Id: <20220318030757.1706799-1-sidongli1997@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org On 16/03/2022 18:29, Borislav Petkov wrote: > What's the point of this "wrapper"? Hi Borislav, this is just to more clearly test if the current kernel is running directly on the host. If this is redundant, I can remove this "wrapper" and resend the patch, the v4 patch code will be the same as the v1 patch. Thanks, Dongli