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 <jwbo...@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 d40e961753c9..b93183336674 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 ce943d5accfd..5af91b58afae 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1046,6 +1046,7 @@ 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
/*
--
2.9.3
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