Resolve a conflict in the efi secureboot patch set
This commit is contained in:
Jeremy Cline
parent
c3c75f6fde
commit
c8f9da6523
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@ -38,7 +38,7 @@ index fb095ba0c02f..7d0fac5bcbbe 100644
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--
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2.14.3
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From 42b2c81c12a8e8139fc7252cf91151c37b5a0966 Mon Sep 17 00:00:00 2001
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From b5123d0553f4ed5e734f6457696cdd30228d1eee Mon Sep 17 00:00:00 2001
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From: David Howells <dhowells@redhat.com>
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Date: Tue, 27 Feb 2018 10:04:55 +0000
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Subject: [PATCH 29/31] efi: Add an EFI_SECURE_BOOT flag to indicate secure
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@ -55,22 +55,23 @@ Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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Signed-off-by: David Howells <dhowells@redhat.com>
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Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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cc: linux-efi@vger.kernel.org
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Signed-off-by: Jeremy Cline <jcline@redhat.com>
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---
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arch/x86/kernel/setup.c | 14 +-------------
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arch/x86/kernel/setup.c | 14 +-----------
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drivers/firmware/efi/Makefile | 1 +
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drivers/firmware/efi/secureboot.c | 38 ++++++++++++++++++++++++++++++++++++++
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include/linux/efi.h | 16 ++++++++++------
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4 files changed, 50 insertions(+), 19 deletions(-)
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drivers/firmware/efi/secureboot.c | 38 +++++++++++++++++++++++++++++++
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include/linux/efi.h | 18 ++++++++++-----
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4 files changed, 52 insertions(+), 19 deletions(-)
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create mode 100644 drivers/firmware/efi/secureboot.c
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diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
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index 1ae67e982af7..a7c240f00d78 100644
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index b74e7bfed6ab..7da1712c89c9 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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@@ -1150,19 +1150,7 @@ void __init setup_arch(char **cmdline_p)
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@@ -1158,19 +1158,7 @@ void __init setup_arch(char **cmdline_p)
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/* Allocate bigger log buffer */
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setup_log_buf(1);
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- if (efi_enabled(EFI_BOOT)) {
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- switch (boot_params.secure_boot) {
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- case efi_secureboot_mode_disabled:
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@ -85,11 +86,11 @@ index 1ae67e982af7..a7c240f00d78 100644
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- }
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- }
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+ efi_set_secure_boot(boot_params.secure_boot);
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reserve_initrd();
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diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
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index cb805374f4bc..da2b3e37b9f0 100644
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index 5f9f5039de50..7a0a6378203e 100644
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--- a/drivers/firmware/efi/Makefile
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+++ b/drivers/firmware/efi/Makefile
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@@ -24,6 +24,7 @@ obj-$(CONFIG_EFI_FAKE_MEMMAP) += fake_mem.o
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@ -98,7 +99,7 @@ index cb805374f4bc..da2b3e37b9f0 100644
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obj-$(CONFIG_EFI_DEV_PATH_PARSER) += dev-path-parser.o
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+obj-$(CONFIG_EFI) += secureboot.o
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obj-$(CONFIG_APPLE_PROPERTIES) += apple-properties.o
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arm-obj-$(CONFIG_EFI) := arm-init.o arm-runtime.o
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diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c
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new file mode 100644
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@ -145,10 +146,10 @@ index 000000000000..9070055de0a1
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+ }
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+}
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diff --git a/include/linux/efi.h b/include/linux/efi.h
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index f5083aa72eae..79da76d14ca3 100644
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index 100ce4a4aff6..62361b647a75 100644
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--- a/include/linux/efi.h
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+++ b/include/linux/efi.h
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@@ -1142,6 +1142,14 @@ extern int __init efi_setup_pcdp_console(char *);
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@@ -1155,6 +1155,14 @@ extern int __init efi_setup_pcdp_console(char *);
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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_MEM_ATTR 10 /* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */
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@ -160,29 +161,31 @@ index f5083aa72eae..79da76d14ca3 100644
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+ efi_secureboot_mode_disabled,
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+ efi_secureboot_mode_enabled,
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+};
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#ifdef CONFIG_EFI
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/*
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@@ -1154,6 +1162,7 @@ static inline bool efi_enabled(int feature)
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extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused);
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@@ -1169,6 +1177,8 @@ extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused);
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extern bool efi_is_table_address(unsigned long phys_addr);
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extern int efi_apply_persistent_mem_reservations(void);
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+
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+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode);
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#else
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static inline bool efi_enabled(int feature)
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{
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@@ -1172,6 +1181,7 @@ static inline bool efi_is_table_address(unsigned long phys_addr)
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@@ -1192,6 +1202,8 @@ static inline int efi_apply_persistent_mem_reservations(void)
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{
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return false;
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return 0;
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}
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+
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+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {}
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#endif
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extern int efi_status_to_err(efi_status_t status);
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@@ -1557,12 +1567,6 @@ efi_status_t efi_setup_gop(efi_system_table_t *sys_table_arg,
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@@ -1577,12 +1589,6 @@ efi_status_t efi_setup_gop(efi_system_table_t *sys_table_arg,
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bool efi_runtime_disabled(void);
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extern void efi_call_virt_check_flags(unsigned long flags, const char *call);
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-enum efi_secureboot_mode {
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- efi_secureboot_mode_unset,
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- efi_secureboot_mode_unknown,
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@ -190,10 +193,10 @@ index f5083aa72eae..79da76d14ca3 100644
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- efi_secureboot_mode_enabled,
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-};
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enum efi_secureboot_mode efi_get_secureboot(efi_system_table_t *sys_table);
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#ifdef CONFIG_RESET_ATTACK_MITIGATION
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--
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2.14.3
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2.19.1
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From d78bf678059f83e22bec8ada1a448e22b9b90203 Mon Sep 17 00:00:00 2001
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From: David Howells <dhowells@redhat.com>
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