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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8286FC433EF for ; Sat, 4 Dec 2021 17:42:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385230AbhLDRpa (ORCPT ); Sat, 4 Dec 2021 12:45:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229534AbhLDRp3 (ORCPT ); Sat, 4 Dec 2021 12:45:29 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 70D2EC061751 for ; Sat, 4 Dec 2021 09:42:03 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0C98660ED3 for ; Sat, 4 Dec 2021 17:42:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9758FC341C2; Sat, 4 Dec 2021 17:41:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638639722; bh=a0b5S3f+mWkHc56t0rwqSWzPtnhKneIeUeETKFla3u8=; h=From:To:Cc:Subject:Date:From; b=oJAwozB1MZUiMlzAo2pSI1UXJ6t/MB8+Ws1Su5vgbiOZO61Y77Jd+nOfXUE7Wj+YD UCM3uQbn3J2a4MXXsHz0541Q4gkshwfDhZxvSpscIyglxvFk4DdjtxeycIbiKaobfK PBVgXUn4G+vjcSPVvR+hVx3GYfXbAMfJeSqtFp3uPg/YqGHrVPAuUwt4e+Gjtgw8tc W+6Wg2MpKDxiCvILuT47jKR8ErR7Rst10UojMnkwXr+6mmh3YnsyjR4J0DSPgFb3BW BGkipGRQfkxDMblQ+WPBBWZK8KEqvIPrK3W21tlasJrNa6gPwjA+G9Ju65b1fwfuRv i1qTjk8OCxagg== From: Arnd Bergmann To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Ard Biesheuvel , Tom Lendacky Cc: Arnd Bergmann , "H. Peter Anvin" , Andrew Morton , Kees Cook , Anshuman Khandual , linux-kernel@vger.kernel.org Subject: [PATCH] x86/efi: select ARCH_USE_MEMREMAP_PROT Date: Sat, 4 Dec 2021 18:41:10 +0100 Message-Id: <20211204174156.977245-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnd Bergmann The patch to map the EFI memmap as encrypted introduces a link failure in configurations without encryption support: x86_64-linux-ld: arch/x86/platform/efi/quirks.o: in function `efi_arch_mem_reserve': quirks.c:(.init.text+0x127): undefined reference to `early_memremap_prot' Select the necessary symbol here as well to fix the build. Fixes: 8f1dd76c9b55 ("x86/sme: Explicitly map new EFI memmap table as encrypted") Signed-off-by: Arnd Bergmann --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 05362527f6b5..93befe25d787 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1934,6 +1934,7 @@ config EFI depends on ACPI select UCS2_STRING select EFI_RUNTIME_WRAPPERS + select ARCH_USE_MEMREMAP_PROT help This enables the kernel to use EFI runtime services that are available (such as the EFI variable services). -- 2.29.2