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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DEDDDD1118E for ; Wed, 26 Nov 2025 18:11:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yWdu1QKRt293wd3c69EPVsacBDDd5FucA/VvvXIcm1s=; b=Lf5AkNYGqiiCA9uQacwijygeA3 SFCEIRM1sOeUuBuE9J7pRWyMfKdNekgwOKCKwl6pRsBbshSocVNgeeugm97j+H3mAhMORE6oC0n6J m8UxNHkFjcOrQbyXZm7Z93MN2xsq2ZLsu/Jr7IYfi5PxOyb2g1wijlrwB4MOoFVjURuLMQnxaeu50 xoRcIqKqyO/SUYwbCGHT8LDEKRvW4DuQxd5zqVvXgR6n59RuAv1uWA9doNHAi1T8PxEv+QULIyoMP RWK4WrbIlqDJ4R/R33YVEGoTgBdXVgMhDJTblmv0iOyMz42LCMsgCjuYt54KB7WG1ftrpGuipYQHj lA28ALPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOJyq-0000000FTyw-43do; Wed, 26 Nov 2025 18:11:04 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOJyo-0000000FTyG-2Atk for linux-arm-kernel@lists.infradead.org; Wed, 26 Nov 2025 18:11:04 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F3E25168F; Wed, 26 Nov 2025 10:10:52 -0800 (PST) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 569CC3F73B; Wed, 26 Nov 2025 10:10:58 -0800 (PST) Date: Wed, 26 Nov 2025 18:10:55 +0000 From: Catalin Marinas To: David Heidelberg via B4 Relay Cc: David Heidelberg , Will Deacon , Casey Connolly , Casey Connolly , Joel Selvaraj , Alexander Martinz , Dzmitry Sankouski , Pablo Correa =?iso-8859-1?Q?G=F3mez?= , Guido =?iso-8859-1?Q?G=FCnther?= , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, Arnd Bergmann Subject: Re: [PATCH QUESTION] arm64: configs: Add Snapdragon 845 config fragment Message-ID: References: <20251126-sdm845-config-question-v1-1-ffa91ed53095@ixit.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251126-sdm845-config-question-v1-1-ffa91ed53095@ixit.cz> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251126_101102_603220_70D59F88 X-CRM114-Status: GOOD ( 18.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Nov 26, 2025 at 05:19:20PM +0100, David Heidelberg via B4 Relay wrote: > From: Casey Connolly > > This fragment provides reasonable default for the mobile devices > based on Snapdragon 845 architecture. While default config could be > used, the reality is it brings many issues to the development workflows, > which are much harder to address than on generic boards or devices with > available UART console. > > This config fragment produces the .config used by distributions. > It is designed to be fairly minimal and specific to the > supported SDM845 devices whilst offering all the features you would > expect. > > It disables other arm64 architectures to speed up build times and > decrease the size of the kernel image. > > To generate a .config use "make defconfig sdm845.config" > > [David] > - Dropped distribution specific options. > - Added entry into the MAINTAINERS file. [...] > MAINTAINERS | 5 + > arch/arm64/configs/sdm845.config | 1048 ++++++++++++++++++++++++++++++++++++++ > 2 files changed, 1053 insertions(+) I really don't think the kernel should carry configs other than the generic ones used by developers. We had this on arm32 but mostly because we didn't have a single kernel image for a long time (and when we got it, it was mostly for v7 cores). I don't want to get back to hosting a multitude of configs in mainline. -- Catalin