efi: Print the secure boot status in x86 setup_arch()
Print the secure boot status in the x86 setup_arch() but otherwise do
nothing more for now. More functionality will be added later, but this at
least allows for testing.
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
[ardb: use efi_enabled() instead of IS_ENABLED(CONFIG_EFI)]
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 4cfba94..69780ed 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1176,6 +1176,20 @@
/* Allocate bigger log buffer */
setup_log_buf(1);
+ if (efi_enabled(EFI_BOOT)) {
+ switch (boot_params.secure_boot) {
+ case efi_secureboot_mode_disabled:
+ pr_info("Secure boot disabled\n");
+ break;
+ case efi_secureboot_mode_enabled:
+ pr_info("Secure boot enabled\n");
+ break;
+ default:
+ pr_info("Secure boot could not be determined\n");
+ break;
+ }
+ }
+
reserve_initrd();
acpi_table_upgrade();