From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 290ED3148C2; Tue, 26 May 2026 10:21:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779790885; cv=none; b=anC6/VM54yPXI8Uww2igixz1eR2vWlO+hFNWaCQVyb0EuFAkRGMi89rkSkFTz9xjP+FckYPHcb1nYOMDeWXARSIj8E1VDpss624MVfHk8ESDv5xW73W1v0+2Bt7eMDCVFnOTaAEfrTZ1dwrvddHEd4MRP0iZfD3mtieJOXIbQe0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779790885; c=relaxed/simple; bh=EpQzeMV/x2ods87W99ZE1P9SHySUDX03MF+mltv4iSk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=lkSQA7qWOvqhk+n4RNYv1gAo6SEG6fF3SHQmehDgY3cFnMDejYtSiqV1xBIgPUSeQuGTsoB2ZXCAXlnCFkadn+auYL3NesbFc4tw2Yz5bF8UQ5rkmzzs4puwSzQC2JI8PNmBxs2LU4LGrWrxtChT2OYvq0A8ynVoDNgR+XdyOAA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mhUZflDY; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mhUZflDY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C9F81F000E9; Tue, 26 May 2026 10:21:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779790883; bh=a39oOFKp/uc4IEjdrZ5F1Fb9xJpEGl0BsmYzQBNxpiI=; h=From:To:Cc:Subject:Date; b=mhUZflDY5tbi1Xb88FHWIen2IUjZG7sjobZtf0v74pJyvXGbgiTO75pwtUzQAe0lb vuIaJkfuWtPfJBotz8Q8I8YI66tE9qdSzOFbO5vm8jpFAHCmSSIVQvqa0QTKDdW5JG cWFARbWzEMlKIXkhq5gwAqiFjGHTZq4z/2lyhJIf2qzvot+74sDt+ABnktn0ioQAsW FQWoJLjD4ypUIJj8l+Dau2qJnNQDAKuvysLyZa2JCn3s36M30+V/7k/vd/iCC5uzrr vuk6kMiyOdCYIM9uN+vRX/UmK7+IMq2hEo0SKI4bApG5FyUg9VpUiPJkRmBl+zdc/6 ljTfX9L2zfDpw== From: Arnd Bergmann To: Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , "T.J. Mercier" , Sumit Semwal , Maxime Ripard , Andrew Davis Cc: Arnd Bergmann , Christian Borntraeger , Sven Schnelle , Andrew Morton , "Mike Rapoport (Microsoft)" , "David Hildenbrand (Arm)" , "Liam R. Howlett" , Claudio Imbrenda , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] s390: export memory encryption helper functions Date: Tue, 26 May 2026 12:20:37 +0200 Message-Id: <20260526102113.2594501-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Arnd Bergmann The set_memory_encrypted/set_memory_decrypted functions are exported on x86 and arm64 but not on s390, which leads to a new build failure because they are now used in a loadable module: ERROR: modpost: "set_memory_encrypted" [drivers/dma-buf/heaps/system_heap.ko] undefined! ERROR: modpost: "set_memory_decrypted" [drivers/dma-buf/heaps/system_heap.ko] undefined! Export these the same way we do on the other architectures. Fixes: fd55edff8a0a ("dma-buf: heaps: system: Turn the heap into a module") Signed-off-by: Arnd Bergmann --- arch/s390/mm/init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index f07168a0d3dd..d589c5e4d388 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -124,6 +124,7 @@ int set_memory_encrypted(unsigned long vaddr, int numpages) } return 0; } +EXPORT_SYMBOL_GPL(set_memory_encrypted); int set_memory_decrypted(unsigned long vaddr, int numpages) { @@ -135,6 +136,7 @@ int set_memory_decrypted(unsigned long vaddr, int numpages) } return 0; } +EXPORT_SYMBOL_GPL(set_memory_decrypted); /* are we a protected virtualization guest? */ bool force_dma_unencrypted(struct device *dev) -- 2.39.5