linux-kernel - [PATCH 32/40] arm64/efi: Move to generic {__,}efi_call

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Date:	Mon, 25 Apr 2016 21:07:04 +0100
From:	Matt Fleming <matt@...eblueprint.co.uk>
To:	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H . Peter Anvin" <hpa@...or.com>
Cc:	Mark Rutland <mark.rutland@....com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Will Deacon <will.deacon@....com>
Subject: [PATCH 32/40] arm64/efi: Move to generic {__,}efi_call_virt

From: Mark Rutland <mark.rutland@....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@....com>
Acked-by: Will Deacon <will.deacon@....com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Leif Lindholm <leif.lindholm@...aro.org>
Cc: Matt Fleming <matt@...eblueprint.co.uk>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-efi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Russell King <linux@....linux.org.uk>
Cc: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Matt Fleming <matt@...eblueprint.co.uk>
---
 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