44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From 04e65e01058ed6357b932e64b19e4bf762f04970 Mon Sep 17 00:00:00 2001
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From: Josh Boyer <jwboyer@fedoraproject.org>
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Date: Tue, 27 Aug 2013 13:33:03 -0400
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Subject: [PATCH 2/9] efi: Add EFI_SECURE_BOOT bit
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UEFI machines can be booted in Secure Boot mode. Add a EFI_SECURE_BOOT bit
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for use with efi_enabled.
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Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
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---
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arch/x86/kernel/setup.c | 2 ++
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include/linux/efi.h | 1 +
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2 files changed, 3 insertions(+)
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diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
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index bdb9881c7afd..a666b6c29c77 100644
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--- a/arch/x86/kernel/setup.c
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+++ b/arch/x86/kernel/setup.c
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@@ -1154,7 +1154,9 @@ void __init setup_arch(char **cmdline_p)
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#ifdef CONFIG_EFI_SECURE_BOOT_SIG_ENFORCE
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if (boot_params.secure_boot) {
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+ set_bit(EFI_SECURE_BOOT, &efi.flags);
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enforce_signed_modules();
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+ pr_info("Secure boot enabled\n");
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}
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#endif
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diff --git a/include/linux/efi.h b/include/linux/efi.h
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index c2db3ca22217..8cb38cfcba74 100644
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--- a/include/linux/efi.h
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+++ b/include/linux/efi.h
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@@ -1062,6 +1062,7 @@ extern int __init efi_setup_pcdp_console(char *);
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#define EFI_ARCH_1 7 /* First arch-specific bit */
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#define EFI_DBG 8 /* Print additional debug info at runtime */
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#define EFI_NX_PE_DATA 9 /* Can runtime data regions be mapped non-executable? */
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+#define EFI_SECURE_BOOT 10 /* Are we in Secure Boot mode? */
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#ifdef CONFIG_EFI
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/*
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--
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2.5.5
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