Linus,
Please pull the latest efi-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
efi-urgent-for-linus
# HEAD: d1eb98143c56f24fef125f5bbed49ae0b52fb7d6 efi/arm: Fix boot crash
with CONFIG_CPUMASK_OFFSTACK=y
A boot crash fix, and a secure boot related boot messages fix.
Thanks,
Ingo
------------------>
Ard Biesheuvel (2):
efi/libstub: Treat missing SecureBoot variable as Secure Boot disabled
efi/arm: Fix boot crash with CONFIG_CPUMASK_OFFSTACK=y
drivers/firmware/efi/arm-runtime.c | 1 +
drivers/firmware/efi/libstub/secureboot.c | 4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/firmware/efi/arm-runtime.c
b/drivers/firmware/efi/arm-runtime.c
index 349dc3e1e52e..974c5a31a005 100644
--- a/drivers/firmware/efi/arm-runtime.c
+++ b/drivers/firmware/efi/arm-runtime.c
@@ -65,6 +65,7 @@ static bool __init efi_virtmap_init(void)
bool systab_found;
efi_mm.pgd = pgd_alloc(&efi_mm);
+ mm_init_cpumask(&efi_mm);
init_new_context(NULL, &efi_mm);
systab_found = false;
diff --git a/drivers/firmware/efi/libstub/secureboot.c
b/drivers/firmware/efi/libstub/secureboot.c
index 6def402bf569..5da36e56b36a 100644
--- a/drivers/firmware/efi/libstub/secureboot.c
+++ b/drivers/firmware/efi/libstub/secureboot.c
@@ -45,6 +45,8 @@ enum efi_secureboot_mode
efi_get_secureboot(efi_system_table_t *sys_table_arg)
size = sizeof(secboot);
status = get_efi_var(efi_SecureBoot_name, &efi_variable_guid,
NULL, &size, &secboot);
+ if (status == EFI_NOT_FOUND)
+ return efi_secureboot_mode_disabled;
if (status != EFI_SUCCESS)
goto out_efi_err;
@@ -78,7 +80,5 @@ enum efi_secureboot_mode
efi_get_secureboot(efi_system_table_t *sys_table_arg)
out_efi_err:
pr_efi_err(sys_table_arg, "Could not determine UEFI Secure Boot
status.\n");
- if (status == EFI_NOT_FOUND)
- return efi_secureboot_mode_disabled;
return efi_secureboot_mode_unknown;
}
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