From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 969EE22D799; Mon, 10 Mar 2025 17:39:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741628360; cv=none; b=GhGdsV6SFbBs5ddK1an/zIocilj20jMOdtAZcNGgy1Q7VtAKukwvYe5zCrHAimkSQsTcVgkvRhGveIaO1P2+7p057QQUVSyqXGCkYPbxrqqkR9WPc9B+XdlsN/wwnzlAakF+3P+G9Nq51P2IuvB0vvju8ZOXXpk+QOhQT5U5gAE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741628360; c=relaxed/simple; bh=idRM91ePNc32zmb20tb7cnq/uV77xy6BKI/mC5uaU84=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rV9TlWONCekp397PB1Tt5BTtXl1qIbeph5VPYq2u/gqVnjDaxJ/vrYbZ23kep2sOWuqRQu7fCNH9bafDm/MyRPiuNTOQxyVLJmYvWoZQ4zPm8oxtLnM4UtdAiaQgNjtfWwQoMiQIemGkli6BJ8znVzoaacitOrw28qb6Bs5y9eM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=f7dld8EL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="f7dld8EL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17884C4CEE5; Mon, 10 Mar 2025 17:39:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741628360; bh=idRM91ePNc32zmb20tb7cnq/uV77xy6BKI/mC5uaU84=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f7dld8ELpWPXnq1j3mdXViRAq2letFSLYatTNpkLe+Bv+5jWTgVDwmPcJy/qEc7gy +FG4IMSXRzAm+cCyE25bUFIpetDshZfuEudCjIr6akW8CtAUSLPpALegKjXbEelADL QqkLb+xpfFEDe9f1rWuBDuENLX7QE2K99Qj1dj8o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Sebastian Andrzej Siewior , Alexander Potapenko , Dmitriy Vyukov , Macro Elver , "Peter Zijlstra (Intel)" , Thomas Gleixner , Andrew Morton Subject: [PATCH 6.1 032/109] dma: kmsan: export kmsan_handle_dma() for modules Date: Mon, 10 Mar 2025 18:06:16 +0100 Message-ID: <20250310170428.839512255@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170427.529761261@linuxfoundation.org> References: <20250310170427.529761261@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior commit 19fac3c93991502a22c5132824c40b6a2e64b136 upstream. kmsan_handle_dma() is used by virtio_ring() which can be built as a module. kmsan_handle_dma() needs to be exported otherwise building the virtio_ring fails. Export kmsan_handle_dma for modules. Link: https://lkml.kernel.org/r/20250218091411.MMS3wBN9@linutronix.de Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202502150634.qjxwSeJR-lkp@intel.com/ Fixes: 7ade4f10779c ("dma: kmsan: unpoison DMA mappings") Signed-off-by: Sebastian Andrzej Siewior Cc: Alexander Potapenko Cc: Dmitriy Vyukov Cc: Macro Elver Cc: Peter Zijlstra (Intel) Cc: Thomas Gleixner Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- mm/kmsan/hooks.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/kmsan/hooks.c +++ b/mm/kmsan/hooks.c @@ -346,6 +346,7 @@ void kmsan_handle_dma(struct page *page, size -= to_go; } } +EXPORT_SYMBOL_GPL(kmsan_handle_dma); void kmsan_handle_dma_sg(struct scatterlist *sg, int nents, enum dma_data_direction dir)