From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54831BA2D; Mon, 26 Aug 2024 02:41:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724640067; cv=none; b=s2pXqKzcWXH8z3RGJUzB8WCUqIZNsPGGzKJTG+OgzJBeZjiBUp1EvIziNR9Mye5A4LyW6N32yRggm2NNSIV1Y/a1rFwoWjC0AqsmdYSb3e250FLTQMs6B8efD2YhAxNh0B5Yr0BEC0vced6mAkZIDHxvhrpM634+D7mSklVRjhg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724640067; c=relaxed/simple; bh=xOxMpaJ6t6gHrg+5+DRm97H5gyn5OOMtADA2NO2iFzI=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=b3HQ5wCjeDdYc3hR8F8vgN5RJNmsvsD4EeHq/MTAc35LCF+vWW/7E3/8s6WLBjysjGuo5YlS0zj64J/mmOXfJbBR0CJXX3BYFRdXzNiE4RRWRL4X0V1OA2XFMFRwNJ/k0c2qi3zb//stuOt5C1gPzU52LxXBmalllR8iwpErghY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.174]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4WsZcf6hSgzhYRc; Mon, 26 Aug 2024 10:38:58 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id AFE47140258; Mon, 26 Aug 2024 10:41:01 +0800 (CST) Received: from [10.67.109.254] (10.67.109.254) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 26 Aug 2024 10:41:00 +0800 Message-ID: <8098e0e4-31c8-a700-7f8b-317b2ead8302@huawei.com> Date: Mon, 26 Aug 2024 10:40:59 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.2.0 Subject: Re: [PATCH] ARM: support PREEMPT_DYNAMIC Content-Language: en-US To: Linus Walleij CC: "Russell King (Oracle)" , , , , , , , , , , , , References: <20240620090028.729373-1-ruanjinjie@huawei.com> <79a3de7c-21da-12ce-8372-9c9029c237ac@huawei.com> <034499ea-2cd6-8775-ee94-771cbecd4cdb@huawei.com> From: Jinjie Ruan In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemh500013.china.huawei.com (7.202.181.146) On 2024/8/23 23:56, Linus Walleij wrote: > On Wed, Jul 31, 2024 at 12:03 PM Jinjie Ruan wrote: > >> By the way, currently, most architectures have simplified assembly code >> and implemented its most functions in C functions. Does arm32 have this >> plan? > > I would turn it around, since I saw that Huawei contributed generic entry > code for Aarch64, do you folks have a plan to also do patches for ARM32? Hi, Linus,there are no plans to switch ARM32 to generic entry as it is already in maintenance mode as Russell said, but we will try to do it if Russell thinks it makes sense and necessary. > > I have many ARM32 systems and I am happy to help out with reviewing > and testing if you do. > > Alternatively I might be able to have a look at it, because the entry code > is right in my work area all the time. Thank you very much, I'd love your help reviewing and testing the code. > > Yours, > Linus Walleij