[PATCHv2 2/6] arm64/efi: move to generic {__,}efi_call_virt

From: Mark Rutland
Date: Fri Apr 22 2016 - 09:52:46 EST


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
---
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 8e88a69..f4f71224 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -14,28 +14,21 @@ extern void efi_init(void);

int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md);

-#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(); \
})
--
1.9.1