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 7982BF30922 for ; Thu, 5 Mar 2026 09:50:59 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dXLgL/SnwbtMC0pBl7BixDywWQgzRrashfP2Zs3bC2k=; b=Zxp4dnVE18iBpRpe0FtxWdGsI6 KaVKWUtEdD0ffPoLauFBlCv4RkQhf8nqukpzUN4CuRIIe1Hc/qrpxVTqkFV4QPHZb9hyHFhwAe24x huUmNyBCkZRawC5zZHuyNOhYaPJGNlc/m7ZPgPVhaWIkqd4DI1qDGluBFPY+87ktrlazlclTeuCUo dYDgSwteCPnVIiaFtpD+GiY9OM49PFdG5/UhxfZsfLxfezmecgk85lRw3RStXqAKeOGJqOHpowIH7 AjuQ8MR5koq1BGUIGHtocfmYX6omZQmhQuudQG9jdJFNqBppxqkURjhQ1a9Y8Qi9HLOJjXwYnhKQL tigVO8wQ==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit 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 05/03/2026 10:01, Marco Felsch wrote: > Hi Ming, > > On 26-03-05, ming.qian@oss.nxp.com wrote: >> From: Ming Qian >> >> Fix a kernel panic when probing the driver as a module: >> >> Unable to handle kernel paging request at virtual address >> ffffd9c18eb05000 >> of_find_matching_node_and_match+0x5c/0x1a0 >> hantro_probe+0x2f4/0x7d0 [hantro_vpu] >> >> The imx8mq_vpu_shared_resources array is referenced by variant >> structures through their shared_devices field. When built as a >> module, __initconst causes this data to be freed after module >> init, but it's later accessed during probe, causing a page fault. >> >> Use __initconst_or_module to keep the data available when built >> as a module while still allowing it to be freed when built-in. > > would be nice if I get at least some credit for pointing to the correct > fix ;) > >> Fixes: e0203ddf9af7 ("media: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC") >> Signed-off-by: Ming Qian > > However, patch looks fine: > > Reviewed-by: Marco Felsch Patch is not correct. This is being referenced from other data where nothing is __init. Section mismatch might not point it, but I don't think the code is readable and actually correct. You can exercise it by rebinding device when built-in. Best regards, Krzysztof