kernel/efi-Add-EFI_SECURE_BOOT-bit.patch
Laura Abbott d07b889185 Linux v4.2
This is a squashed patch of the history from F22 + the 4.2 rebase
2015-09-01 15:59:56 -07:00

40 lines
1.3 KiB
Diff

From: Josh Boyer <jwboyer@fedoraproject.org>
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 <jwboyer@fedoraproject.org>
---
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 c2e4f52cad30..5def6b4143fa 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1162,7 +1162,9 @@ 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 85ef051ac6fb..de3e45088d4a 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -959,6 +959,7 @@ extern int __init efi_setup_pcdp_console(char *);
#define EFI_PARAVIRT 6 /* Access is via a paravirt interface */
#define EFI_ARCH_1 7 /* First arch-specific bit */
#define EFI_DBG 8 /* Print additional debug info at runtime */
+#define EFI_SECURE_BOOT 9 /* Are we in Secure Boot mode? */
#ifdef CONFIG_EFI
/*