From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 28BCE2F1FD2; Thu, 22 Jan 2026 00:42:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769042549; cv=pass; b=tCADpdrAodQQfAep9yRyOoddfKRTq2+JQfW+i3mtk+v1X9WySRyPbiVtJHYxEhCqFvgzai6FLeS6jOrbzbKE2ueWIvMsv+7B/J/yefcXt8znN5pWDcXpIxxXfrQ4UEL4VLSeYG42fIj+A6JwBLlHkzTPCMkuwQgrmBYsOVR+hlk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769042549; c=relaxed/simple; bh=MTPqLY5Abue7BSFMi5PdX4anUAuK1TWndwE+rZnTQE4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GvUALc7Mc+MKQT4CBxFxCEOqAqdsLB4nnFSAMjAVaD+BWGWgE7PzGopSi3qGXXEr4NQoPsOjJCDzuUh5LSLSOM1uOoHCHhgQkn6vEbV5UHmJ9sfeDRclxkU0fq/i1hGArI+gRvsF2P+dx0sXuVmiMmRZlzd5C7GPdl6qNLXzckw= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=deborah.brouwer@collabora.com header.b=ak8n8GUP; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=deborah.brouwer@collabora.com header.b="ak8n8GUP" ARC-Seal: i=1; a=rsa-sha256; t=1769042540; cv=none; d=zohomail.com; s=zohoarc; b=eeg6+v31BImrFAh4aef79TgzokA36gT8MkgP8E/Ru1HLI+ta1xwxc5aF26bO5/4II9A1CvJ1ZQMUUO1rK47ZPFBIi3SJb+UtVGsEvwXvfHQeNBB9c1RdgLvdo6S/uFdcpj0+6/S29UkB/GRmHM+cjXnaiGETCjpBsSuPKgsjhBE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1769042540; h=Content-Type:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=qzVAzKIsytOEd2LHMYSarQ4VPdN5SGUOFphTAsR4S/4=; b=PaSbIWqOehFrtA+zV2cgdGVdH8UHlAjqMwEar6o9I07qWztl8mhRToeyUczecde3+1rRiMx7CU+UWxL6q7A6DDdBbikpSnnCz4SYPFJOe/uemivrla7GiXP9QqCNLK2PGpLGd3bmgj167aD7+AbD4PYeJLSIMTltnUlZzFwFE+c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=deborah.brouwer@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1769042540; s=zohomail; d=collabora.com; i=deborah.brouwer@collabora.com; h=Date:Date:From:From:To:To:Cc:Cc:Subject:Subject:Message-ID:References:MIME-Version:Content-Type:In-Reply-To:Message-Id:Reply-To; bh=qzVAzKIsytOEd2LHMYSarQ4VPdN5SGUOFphTAsR4S/4=; b=ak8n8GUPcr1qo/E+CJg/LwmSQria8ht4jZDxEdcQyQmiJQiUp+S57iE/6vb4URRp 7h88x7vqjkPbgBY8vtny0hAHFIthD9KgkFlQvL1QMOhiX8oBWOWBA1qK0pqNpqeE87k nnd8FyliNJlYqMqEd0jGImVXxzRkm03aK3xDh+VY= Received: by mx.zohomail.com with SMTPS id 1769042539544468.77820565905995; Wed, 21 Jan 2026 16:42:19 -0800 (PST) Date: Wed, 21 Jan 2026 16:42:18 -0800 From: Deborah Brouwer To: Alice Ryhl Cc: Mark Brown , Danilo Krummrich , Beata Michalska , Carsten Haitzler , Rob Herring , Linus Torvalds , Miguel Ojeda , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure in the final build Message-ID: References: Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Jan 21, 2026 at 07:14:38PM +0000, Alice Ryhl wrote: > On Wed, Jan 21, 2026 at 05:14:15PM +0000, Mark Brown wrote: > > Hi all, > > > > After the final merge today's linux-next build (arm64 allyesconfig) > > failed like this, the same issue will be present in mainline: > > > > error: field `device` is never read > > --> /tmp/next/build/drivers/gpu/drm/tyr/driver.rs:37:5 > > | > > 36 | pub(crate) struct TyrDriver { > > | --------- field in this struct > > 37 | device: ARef, > > | ^^^^^^ > > | > > = note: `-D dead-code` implied by `-D warnings` > > = help: to override `-D warnings` add `#[allow(dead_code)]` > > > > error: fields `mali` and `sram` are never read > > --> /tmp/next/build/drivers/gpu/drm/tyr/driver.rs:196:5 > > | > > 195 | struct Regulators { > > | ---------- fields in this struct > > 196 | mali: Regulator, > > | ^^^^ > > 197 | sram: Regulator, > > | ^^^^ > > > > error: aborting due to 2 previous errors > > > > Caused by commit > > > > cf4fd52e32360 (rust: drm: Introduce the Tyr driver for Arm Mali GPUs) > > > > I am continuing to mark the driver as BROKEN. > > Hrm I saw you had this last time too. I'm not sure how you're triggering > it - I haven't run into it myself and I do enable warnings. But I'll try > to repro and fix it. Although I hadn't seen this error before I was able to reproduce it today on linux-next/master so I don't know if it's too late, but here is a quick fix. https://lore.kernel.org/rust-for-linux/20260122003746.405370-1-deborah.brouwer@collabora.com/ > > Note that for this kind of thing you can add `#![allow(warnings)]` to > the top of a file to silence warnings. > > Alice