diff options
Diffstat (limited to 'arch/arm64/kernel/efi.c')
| -rw-r--r-- | arch/arm64/kernel/efi.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index baab8dd3ead3..2b478ca356b0 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -9,6 +9,7 @@ #include <linux/efi.h> #include <linux/init.h> +#include <linux/screen_info.h> #include <asm/efi.h> #include <asm/stacktrace.h> @@ -158,7 +159,21 @@ asmlinkage efi_status_t efi_handle_corrupted_x18(efi_status_t s, const char *f) return s; } -DEFINE_RAW_SPINLOCK(efi_rt_lock); +static DEFINE_RAW_SPINLOCK(efi_rt_lock); + +void arch_efi_call_virt_setup(void) +{ + efi_virtmap_load(); + __efi_fpsimd_begin(); + raw_spin_lock(&efi_rt_lock); +} + +void arch_efi_call_virt_teardown(void) +{ + raw_spin_unlock(&efi_rt_lock); + __efi_fpsimd_end(); + efi_virtmap_unload(); +} asmlinkage u64 *efi_rt_stack_top __ro_after_init; |