[PATCH 33/40] arm/efi: Move to generic {__,}efi_call_virt

From: Matt Fleming
Date: Mon Apr 25 2016 - 16:08:30 EST


From: Mark Rutland <mark.rutland@xxxxxxx>

Now there's a common template for {__,}efi_call_virt, remove the
duplicate logic from the arm efi code.

Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Leif Lindholm <leif.lindholm@xxxxxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-efi@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Signed-off-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/include/asm/efi.h | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index b45fe39bf35b..5f273b43d704 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -24,26 +24,14 @@ void efi_init(void);
int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md);
int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md);

-#define efi_call_virt(f, ...) \
-({ \
- efi_##f##_t *__f; \
- efi_status_t __s; \
- \
- efi_virtmap_load(); \
- __f = efi.systab->runtime->f; \
- __s = __f(__VA_ARGS__); \
- efi_virtmap_unload(); \
- __s; \
-})
+#define arch_efi_call_virt_setup() efi_virtmap_load()
+#define arch_efi_call_virt_teardown() efi_virtmap_unload()

-#define __efi_call_virt(f, ...) \
+#define arch_efi_call_virt(f, args...) \
({ \
efi_##f##_t *__f; \
- \
- efi_virtmap_load(); \
__f = efi.systab->runtime->f; \
- __f(__VA_ARGS__); \
- efi_virtmap_unload(); \
+ __f(args); \
})

static inline void efi_set_pgd(struct mm_struct *mm)
--
2.7.3