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 92E1AC433FE for ; Thu, 7 Apr 2022 13:04:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245333AbiDGNGX (ORCPT ); Thu, 7 Apr 2022 09:06:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343581AbiDGNFv (ORCPT ); Thu, 7 Apr 2022 09:05:51 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B81425B910 for ; Thu, 7 Apr 2022 06:03:49 -0700 (PDT) Received: from fraeml709-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4KZ1jf4bLyz6823d; Thu, 7 Apr 2022 21:01:42 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml709-chm.china.huawei.com (10.206.15.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 7 Apr 2022 15:03:46 +0200 Received: from [10.47.80.129] (10.47.80.129) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 7 Apr 2022 14:03:45 +0100 Message-ID: <48e9e622-30b5-0aeb-2860-bf2ea9bff939@huawei.com> Date: Thu, 7 Apr 2022 14:03:44 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH v4 1/2] drivers/perf: hisi: Associate PMUs in SICL with CPUs online To: Qi Liu , , CC: , , , References: <20220407124617.54521-1-liuqi115@huawei.com> <20220407124617.54521-2-liuqi115@huawei.com> From: John Garry In-Reply-To: <20220407124617.54521-2-liuqi115@huawei.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.47.80.129] X-ClientProxiedBy: lhreml728-chm.china.huawei.com (10.201.108.79) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/04/2022 13:46, Qi Liu wrote: > If a PMU is in a SICL (Super IO cluster), it is not appropriate to > associate this PMU with a CPU die. So we associate it with all CPUs > online. > > As the firmware of Hip09 platform hasn't been published yet, change > of PMU driver will not influence backwards compatibility between > driver and firmware. > > Signed-off-by: Qi Liu Reviewed-by: John Garry