From: Josh Boyer Date: Tue, 27 Aug 2013 13:33:03 -0400 Subject: [PATCH] efi: Add EFI_SECURE_BOOT bit 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 --- arch/x86/kernel/setup.c | 2 ++ include/linux/efi.h | 1 + 2 files changed, 3 insertions(+) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 5d52d67d5097..b40d6174242f 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1154,7 +1154,9 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_EFI_SECURE_BOOT_SIG_ENFORCE if (boot_params.secure_boot) { + set_bit(EFI_SECURE_BOOT, &efi.flags); enforce_signed_modules(); + pr_info("Secure boot enabled\n"); } #endif diff --git a/include/linux/efi.h b/include/linux/efi.h index 0238d612750e..16ec1c00919d 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -940,6 +940,7 @@ extern int __init efi_setup_pcdp_console(char *); #define EFI_64BIT 5 /* Is the firmware 64-bit? */ #define EFI_PARAVIRT 6 /* Access is via a paravirt interface */ #define EFI_ARCH_1 7 /* First arch-specific bit */ +#define EFI_SECURE_BOOT 8 /* Are we in Secure Boot mode? */ #ifdef CONFIG_EFI /* -- 2.1.0