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

Message ID 1461614832-17633-33-git-send-email-matt@codeblueprint.co.uk
State New
Headers show

Commit Message

Matt Fleming April 25, 2016, 8:07 p.m. UTC 
From: Mark Rutland <mark.rutland@arm.com>


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@arm.com>

Acked-by: Will Deacon <will.deacon@arm.com>

Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-efi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>

---
 arch/arm64/include/asm/efi.h | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

-- 
2.7.3
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Patch

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();						\
 })