[PATCH 32/40] arm64/efi: Move to generic {__,}efi_call_virt

[Matt Fleming]

From: Mark Rutland <mark.rutland@xxxxxxx>

Now there's a common template for {__,}efi_call_virt, remove the
duplicate logic from the arm64 efi code.

Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
Acked-by: Will Deacon <will.deacon@xxxxxxx>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Leif Lindholm <leif.lindholm@xxxxxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-efi@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
---
 arch/arm64/include/asm/efi.h | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h
index 79dc8c237c7e..cfd4ae2e46c0 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -16,28 +16,21 @@ int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md);
 
 #define efi_set_mapping_permissions	efi_create_mapping
 
-#define efi_call_virt(f, ...)						\
+#define arch_efi_call_virt_setup()					\
 ({									\
-	efi_##f##_t *__f;						\
-	efi_status_t __s;						\
-									\
 	kernel_neon_begin();						\
 	efi_virtmap_load();						\
-	__f = efi.systab->runtime->f;					\
-	__s = __f(__VA_ARGS__);						\
-	efi_virtmap_unload();						\
-	kernel_neon_end();						\
-	__s;								\
 })
 
-#define __efi_call_virt(f, ...)						\
+#define arch_efi_call_virt(f, args...)					\
 ({									\
 	efi_##f##_t *__f;						\
-									\
-	kernel_neon_begin();						\
-	efi_virtmap_load();						\
 	__f = efi.systab->runtime->f;					\
-	__f(__VA_ARGS__);						\
+	__f(args);							\
+})
+
+#define arch_efi_call_virt_teardown()					\
+({									\
 	efi_virtmap_unload();						\
 	kernel_neon_end();						\
 })
-- 
2.7.3