Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938837AbcKPVsE (ORCPT ); Wed, 16 Nov 2016 16:48:04 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55138 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936594AbcKPVrz (ORCPT ); Wed, 16 Nov 2016 16:47:55 -0500 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH 05/16] efi: Add EFI_SECURE_BOOT bit From: David Howells To: keyrings@vger.kernel.org Cc: matthew.garrett@nebula.com, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, dhowells@redhat.com, linux-security-module@vger.kernel.org, Josh Boyer Date: Wed, 16 Nov 2016 21:47:52 +0000 Message-ID: <147933287290.19316.3360403691390019935.stgit@warthog.procyon.org.uk> In-Reply-To: <147933283664.19316.12454053022687659937.stgit@warthog.procyon.org.uk> References: <147933283664.19316.12454053022687659937.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 16 Nov 2016 21:47:55 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1292 Lines: 37 From: Josh Boyer UEFI machines can be booted in Secure Boot mode. Add a EFI_SECURE_BOOT bit for use with efi_enabled. Signed-off-by: Josh Boyer Signed-off-by: David Howells --- arch/x86/kernel/setup.c | 1 + include/linux/efi.h | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 9521acce8378..539f29587712 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1164,6 +1164,7 @@ void __init setup_arch(char **cmdline_p) if (boot_params.secure_boot && IS_ENABLED(CONFIG_EFI_SECURE_BOOT_LOCK_DOWN)) { lock_kernel_down(); + set_bit(EFI_SECURE_BOOT, &efi.flags); pr_info("Secure boot enabled\n"); } diff --git a/include/linux/efi.h b/include/linux/efi.h index 11372fb8784c..5d7fb3e3400b 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -1079,6 +1079,7 @@ extern int __init efi_setup_pcdp_console(char *); #define EFI_ARCH_1 7 /* First arch-specific bit */ #define EFI_DBG 8 /* Print additional debug info at runtime */ #define EFI_NX_PE_DATA 9 /* Can runtime data regions be mapped non-executable? */ +#define EFI_SECURE_BOOT 10 /* Are we in Secure Boot mode? */ #ifdef CONFIG_EFI /*