Commit-ID: 9661b332041dab63ba2e5222b40a9f916c1368a9
Gitweb: http://git.kernel.org/tip/9661b332041dab63ba2e5222b40a9f916c1368a9
Author: David Howells <dhowells@xxxxxxxxxx>
AuthorDate: Mon, 6 Feb 2017 11:22:45 +0000
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 7 Feb 2017 10:42:10 +0100
efi: Print the secure boot status in x86 setup_arch()
Print the secure boot status in the x86 setup_arch() function, 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@xxxxxxxxxx>
[ Use efi_enabled() instead of IS_ENABLED(CONFIG_EFI). ]
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-efi@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1486380166-31868-7-git-send-email-ard.biesheuvel@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/setup.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
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 @@ void __init setup_arch(char **cmdline_p)
/* 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();
--
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