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 659E9C54EBD for ; Mon, 9 Jan 2023 21:12:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238038AbjAIVMb (ORCPT ); Mon, 9 Jan 2023 16:12:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238027AbjAIVL4 (ORCPT ); Mon, 9 Jan 2023 16:11:56 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B676A496C5; Mon, 9 Jan 2023 13:07:27 -0800 (PST) Received: from zn.tnic (p5de8e9fe.dip0.t-ipconnect.de [93.232.233.254]) (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 0FA0C1EC03B3; Mon, 9 Jan 2023 22:07:26 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1673298446; 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=gySK7Y4MkaBtcEVthJKsByGaRZlyKueoBfLBNDapHgY=; b=GvrYVgkZdF++oHivFFGPvDjDBuXMbxO1Y9imd7K0YuYv7FqEjckX3vyvO0VpYggdcFIOrP IqVS3L9e8D7qNC95pHO8b/RreYk0KJpK02Zz0cp4JY4Va8s2ZOrtg6gvgn3taPGGHUraK1 LpOaRUq9JHPu77gvWCzVMEd0J+/OCH0= Date: Mon, 9 Jan 2023 22:07:20 +0100 From: Borislav Petkov To: "Moger, Babu" Cc: corbet@lwn.net, reinette.chatre@intel.com, tglx@linutronix.de, mingo@redhat.com, fenghua.yu@intel.com, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, paulmck@kernel.org, akpm@linux-foundation.org, quic_neeraju@quicinc.com, rdunlap@infradead.org, damien.lemoal@opensource.wdc.com, songmuchun@bytedance.com, peterz@infradead.org, jpoimboe@kernel.org, pbonzini@redhat.com, chang.seok.bae@intel.com, pawan.kumar.gupta@linux.intel.com, jmattson@google.com, daniel.sneddon@linux.intel.com, sandipan.das@amd.com, tony.luck@intel.com, james.morse@arm.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, bagasdotme@gmail.com, eranian@google.com, christophe.leroy@csgroup.eu, jarkko@kernel.org, adrian.hunter@intel.com, quic_jiles@quicinc.com, peternewman@google.com Subject: Re: [PATCH v11 04/13] x86/cpufeatures: Add Bandwidth Monitoring Event Configuration feature flag Message-ID: References: <20230109164405.569714-1-babu.moger@amd.com> <20230109164405.569714-5-babu.moger@amd.com> <5afd0a7c-3fbe-dfea-f1b4-2fc35fbb4f13@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <5afd0a7c-3fbe-dfea-f1b4-2fc35fbb4f13@amd.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 09, 2023 at 01:49:09PM -0600, Moger, Babu wrote: > All the QoS(or RDT) features are visible so far. If we make them visible, > users can easily figure out if this specific feature is supported or not. What would be the actual, real-life use case where the presence of those flags in /proc/cpuinfo is really needed? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette