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 843B11E519; Mon, 10 Mar 2025 17:11:02 +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=1741626662; cv=none; b=G89WP9k3OomOl8aw+OdGpAJE+5a//TGaDs4/hnx2B80TbbaPrrRogxSqZUkKnhgLdcrsLXa/pYiiVacsdZH7zjDrZ+R2LvWOeKPeUxfwbCzg1/2Tz5o6JlQuwVPcKg/JKLSkllDpcXNKSq/fUvkHgmEvM3mbMEITSBSLrY6yxZ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741626662; c=relaxed/simple; bh=7bXBFraa22KQ/Ri5ud0wQ36mHEBxYc+8HvNgKUXfUbc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=unVBoXzlXZMX4/+8+LDq4RayHBiIDL/skO6dB97JBdEjlc3b+iShCHMhEsBfy63LS28F9WDeuRUz+oyQXlRj/ClkorW6HFZVI6H4LB6eTMYYZCtTS9z8I6U5oYqxVjhIspja3ZppGQhkVm2Mo8YafiNa9ogOkekgpXyOCZZgktc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Qf+FH+2z; 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="Qf+FH+2z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DEDAC4CEE5; Mon, 10 Mar 2025 17:11:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741626662; bh=7bXBFraa22KQ/Ri5ud0wQ36mHEBxYc+8HvNgKUXfUbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qf+FH+2z+MmqCzJEFgNEyKxe3eJsuy/Khdf9SUZFyZ5Sxqsn1Nf9cz0AR92C2KOHA MtnV+AP5i3HwUEDAIDMyYPiNBoqfP8NoSpeaRWQI3tP3Pw3b9acDkOWsIBT7VhR/wt hnKMqiE4eduup921iPuCiJi3M/0Ajw/rJUGkcLkw= 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 6.13 068/207] dma: kmsan: export kmsan_handle_dma() for modules Date: Mon, 10 Mar 2025 18:04:21 +0100 Message-ID: <20250310170450.469817702@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170447.729440535@linuxfoundation.org> References: <20250310170447.729440535@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 6.13-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 @@ -357,6 +357,7 @@ 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)