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[23.128.96.19]) by mx.google.com with ESMTPS id u8-20020a056a00098800b00510538e14f6si12416330pfg.364.2022.06.07.23.08.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 23:08:24 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b="P42Sy/1S"; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4FD3448E562; Tue, 7 Jun 2022 22:31:30 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381134AbiFHBfa (ORCPT + 99 others); Tue, 7 Jun 2022 21:35:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1457009AbiFGXVO (ORCPT ); Tue, 7 Jun 2022 19:21:14 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 392A43E1C51 for ; Tue, 7 Jun 2022 14:25:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654637107; x=1686173107; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=O0gxBHe3lcF2rzmOwsxlpBys5l79rCV1UE/MlMVYKkY=; b=P42Sy/1SAkdXJaTfr7JTttBFCKG/E7aIRsBpfk6gdmSPb5BHBSD7MwnG LIIFtyYEY0hX7aj3uU9vQrpwXeJklQQJMWTCoI3QsAh68hWG4IqXkmHc/ qFxe6LW5M2BAYIjAj/sfuM//iXJHPAH+gS+6AcUFSoOeuml+OHwxSQ0D8 2KqOVGfujiFea/Y5p4zmT1wcghIigCx66uaiwQ/AGi7sDz2t810q2rvx9 1mfj3SFSyDjHvXXce8r/r1DegUu0QoNcj7+eZguB4TqS54V5PnB0C27v8 tvP7ZOH9djDPPdSjuSq3wgB3i8ELhWmYhRxZeFp5p9Tm0HoT9FWqSxjDl w==; X-IronPort-AV: E=McAfee;i="6400,9594,10371"; a="265399559" X-IronPort-AV: E=Sophos;i="5.91,284,1647327600"; d="scan'208";a="265399559" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2022 14:25:01 -0700 X-IronPort-AV: E=Sophos;i="5.91,284,1647327600"; d="scan'208";a="648246682" Received: from fyu1.sc.intel.com ([172.25.103.126]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2022 14:25:01 -0700 Date: Tue, 7 Jun 2022 14:25:30 -0700 From: Fenghua Yu To: James Morse Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Reinette Chatre , Thomas Gleixner , Ingo Molnar , Borislav Petkov , H Peter Anvin , Babu Moger , shameerali.kolothum.thodi@huawei.com, D Scott Phillips OS , lcherian@marvell.com, bobo.shaobowang@huawei.com, tan.shaopeng@fujitsu.com, Jamie Iles , Cristian Marussi , Xin Hao , xingxin.hx@openanolis.org, baolin.wang@linux.alibaba.com Subject: Re: [PATCH v4 15/21] x86/resctrl: Abstract __rmid_read() Message-ID: References: <20220412124419.30689-1-james.morse@arm.com> <20220412124419.30689-16-james.morse@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220412124419.30689-16-james.morse@arm.com> X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 12, 2022 at 12:44:13PM +0000, James Morse wrote: > @@ -343,7 +355,7 @@ static u64 __mon_event_count(u32 rmid, struct rmid_read *rr) > * Code would never reach here because an invalid > * event id would fail the __rmid_read. __rmid_read() needs to be fixed. > */ > - return RMID_VAL_ERROR; > + return -EINVAL; > } > > if (rr->first) { Thanks. -Fenghua