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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 47314CD5BA0 for ; Thu, 13 Nov 2025 09:09:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 689D68E0011; Thu, 13 Nov 2025 04:09:57 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 661348E0007; Thu, 13 Nov 2025 04:09:57 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 59E128E0011; Thu, 13 Nov 2025 04:09:57 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 459CF8E0007 for ; Thu, 13 Nov 2025 04:09:57 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id D62751A08E7 for ; Thu, 13 Nov 2025 09:09:56 +0000 (UTC) X-FDA: 84105011592.10.3EC24A0 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf11.hostedemail.com (Postfix) with ESMTP id 1573540011 for ; Thu, 13 Nov 2025 09:09:54 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="uj6/Pi6b"; spf=pass (imf11.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1763024995; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=K3PNNHGLr6DEEVOXTwKRwy0//P8tBdERe8w2q36scgc=; b=CJI8bCOC8VqypBF0tcMvt4cqMAiAE4n9+AWMXfyqrx8ueD1GXAFNANWq+s7qZbdPuE3yGW 3Jp1iGQ7w9SWLYPeFv8ZOS8br/sj97F7F7sAvE09f5fLnN9Py7sSMpm0ehn2SLRQBj63I2 lIwRr2LI8AdxRbX4r0bCkOUvN1MeO8w= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="uj6/Pi6b"; spf=pass (imf11.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1763024995; a=rsa-sha256; cv=none; b=nPLuu+q97YoPoV9KC3DoMUsTjVdq35Ed+s4sjWoeqWGO+JiGBcHi4v42oD1/4YDpzDLy7a y37ngVVJSaf4hifNkg9TOPbOsvuzEPcdMCxJbQ8ov01oQakXLH4SdaB0oLltxXsI1modrt C7PhU7QZyO8Wm0dkUUPNZvtqAWMVeWY= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 04CFD43455; Thu, 13 Nov 2025 09:09:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D5EDC113D0; Thu, 13 Nov 2025 09:09:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763024993; bh=rHmd0rMUHyefZtIXeMVesUbxq18R88JCSA0oFW1Fm0M=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=uj6/Pi6bfNWw9ZykppZ3qDAZRUlr46B7/demige9vo17lWrcE75ESNOuLgJFYiQjk 8u5/IVA5HgmEyMUG83YUQqs8bmhFarX/1SdJofCeyX0Q9i9oA2in1+hNhxxTYal3iJ 4DUfJTloVfkqDlg/TPjiWY6my6JLWQ7kUqouZXhXcRJgL4W+YTsqP+Ul0us4XWLP2y 2u+zaaLg1iULPBIsBLLCfohBG5bBrdeYMUgA1KgAeWLNktelgyw/NkMK+16ELR/OnI WX+m/WjJd86on3z4csb4zbIydeIC7sQI2P4EmrV17qM5k+XyzsU+vbwhDw1hi00DdL jdKgUbGWYif6w== Message-ID: <5bdd8b10-171e-4171-a1f2-43c029dfd8e4@kernel.org> Date: Thu, 13 Nov 2025 10:09:44 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] fix gpu/drm/nouveau: fix return type in nouveau_dmem_migrate_to_ram() To: Balbir Singh , linux-kernel@vger.kernel.org, linux-mm@kvack.org, dri-devel@lists.freedesktop.org Cc: kernel test robot , Andrew Morton , Zi Yan , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Oscar Salvador , Lorenzo Stoakes , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lyude Paul , Danilo Krummrich , David Airlie , Simona Vetter , Ralph Campbell , =?UTF-8?Q?Mika_Penttil=C3=A4?= , Matthew Brost , Francois Dugast References: <20251113051322.1753532-1-balbirs@nvidia.com> From: "David Hildenbrand (Red Hat)" Content-Language: en-US In-Reply-To: <20251113051322.1753532-1-balbirs@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 1573540011 X-Stat-Signature: 1sfmye7tpspy31mkyb38g6jzrjbyxp7i X-Rspam-User: X-HE-Tag: 1763024994-542023 X-HE-Meta: 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 ZrpA1L2c 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 13.11.25 06:13, Balbir Singh wrote: > ret of type vm_fault_t is reused to capture the return value of > nouveau_dmem_copy_folio(), which returns an int. Use a new copy_ret > to fix the issue. The issue is not new, prior to this the function > called was called nouveau_dmem_copy_one() and ret was used to capture > it's value. > > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-kbuild-all/202511121922.oP20Lzb8-lkp@intel.com/ It's a sparse warning, is there any runtime effect? > > Cc: Andrew Morton > Cc: David Hildenbrand > Cc: Zi Yan > Cc: Joshua Hahn > Cc: Rakie Kim > Cc: Byungchul Park > Cc: Gregory Price > Cc: Ying Huang > Cc: Alistair Popple > Cc: Oscar Salvador > Cc: Lorenzo Stoakes > Cc: Baolin Wang > Cc: "Liam R. Howlett" > Cc: Nico Pache > Cc: Ryan Roberts > Cc: Dev Jain > Cc: Barry Song > Cc: Lyude Paul > Cc: Danilo Krummrich > Cc: David Airlie > Cc: Simona Vetter > Cc: Ralph Campbell > Cc: Mika Penttilä > Cc: Matthew Brost > Cc: Francois Dugast > Fixes: ? Or is does this just fix a sparse warning and nothing "real" we could run into and cause problems? -- Cheers David