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efi: Print the secure boot status in x86 setup_arch()

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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@redhat.com>
[ Use efi_enabled() instead of IS_ENABLED(CONFIG_EFI). ]
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1486380166-31868-7-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
David Howells 2017-02-06 11:22:45 +00:00 committed by Ingo Molnar
parent f3cf6f7434
commit 9661b33204
1 changed files with 14 additions and 0 deletions
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14
arch/x86/kernel/setup.c
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@ -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();