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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n24-20020a056a0007d800b0063f18073138si2940370pfu.99.2023.06.12.03.32.01; Mon, 12 Jun 2023 03:32:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=kaBQyxEJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235503AbjFLKMH (ORCPT + 99 others); Mon, 12 Jun 2023 06:12:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231951AbjFLKLW (ORCPT ); Mon, 12 Jun 2023 06:11:22 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E8A64228 for ; Mon, 12 Jun 2023 02:51:23 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id a640c23a62f3a-9788faaca2dso701537966b.0 for ; Mon, 12 Jun 2023 02:51:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686563482; x=1689155482; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=p73p8iBF8aXDQgFdOMI5kr8I00UMbWdp8nhLok7wZbE=; b=kaBQyxEJjsN1+xKoTCuWznHkrGfi24IjYupmx3KNL49JI8TcnKOm3gzqPs4xKKSZ8P LxuWnwpAGq37k88T1nK0WwLd4azQNkH1m8eSVpl5akD8ywZx96Qr00DZCjpKdF/ngw4X TsrDjF9h/M/5bGxwZFuPGTYfdFF6lkf65E/bTYT8wfa+tnxOEkXhf6XdJdN0+Na0Nrvp WNWXuIb6b4L/HhvuUCX/8uqrTTjfgzMuyFrT8HI9elIGIH5J3bYSYxVQNgS6kYskGiaL bCzihQyJ879LMowmgq0Y7n8D63YUqmaSrvIoT/Ra7A93VD6Aeeud3m11zOGL8VL6SHuU jpwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686563482; x=1689155482; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=p73p8iBF8aXDQgFdOMI5kr8I00UMbWdp8nhLok7wZbE=; b=BoBDSjbHHp+IQXwkUuOV/oGlvetBv/6oP/BGv/ELYEcL9EDccx3mlOtxBe58263zZp iDqB1uhCfPFcX5dO2/fMl6PyVBOvr/7Qxu3+9uwdZFOlv/ZtT1FTdKpgqo874IN39W7f 2X2GHRyA97Lld+1WBw1hmRvK2hP5XodGyTDWzWp5Yqq+ti4nd2jJXZhbE9QtcDfwylx0 bap2twRW4sS6pGrXJbxBZQuwWss9WhQ13u8izOfEpoKfsBFvuEiept4i8cUgJ/ji/Lw2 MhjKnrsc3hvNcfjnFYOH/ZIStk6pOnyeEBAz1rO21Ud/myvJ7xoGwajMHz+QBQaJptZA fCtA== X-Gm-Message-State: AC+VfDzbTrg2snlIP57+AHS2VU4Q9cA9WqAJ4kwa5Chs9mPGrBTPQSyy MAyjdc2hJ4sRbJEdqp/kXahniA== X-Received: by 2002:a17:906:6a1c:b0:978:ab6b:afe9 with SMTP id qw28-20020a1709066a1c00b00978ab6bafe9mr8699754ejc.66.1686563482008; Mon, 12 Jun 2023 02:51:22 -0700 (PDT) Received: from [192.168.1.20] ([178.197.219.26]) by smtp.gmail.com with ESMTPSA id kf10-20020a17090776ca00b00965f6ad266bsm4850797ejc.119.2023.06.12.02.51.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Jun 2023 02:51:21 -0700 (PDT) Message-ID: <3ac37e54-0633-37d2-2ba7-f06abcb9a5a7@linaro.org> Date: Mon, 12 Jun 2023 11:51:19 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [EXTERNAL] Re: [PATCH] arm64: defconfig: Enable HSR by default Content-Language: en-US To: Ravi Gunasekaran , catalin.marinas@arm.com, will@kernel.org Cc: arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20230612094340.13865-1-r-gunasekaran@ti.com> From: Krzysztof Kozlowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham 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 12/06/2023 11:49, Ravi Gunasekaran wrote: > > > On 6/12/23 3:14 PM, Krzysztof Kozlowski wrote: >> On 12/06/2023 11:43, Ravi Gunasekaran wrote: >>> Enable HSR feature in kernel build. >> >> Why? Commit msg should answer to this question. > > I apologize for incomplete description. I will send out a v2. > > HSR protocol is implemented by the network stack at /net/hsr/* > In order to create HSR interface, HSR module needs to be loaded. You described what HSR is, but I want to know why do we need it in our development arm64 kernel. You might want to enable anything and explain what is this "anything" but this does not solve any of the concerns. Best regards, Krzysztof