From: Mark Rutland <mark.rutland@arm.com>
Date: Thu, 16 Jan 2020 18:35:45 +0000 (+0000)
Subject: arm64: assembler: remove smp_dmb macro
X-Git-Tag: v5.6-rc1~208^2~4^5~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ddb953f86cfb1ec450eff16a94230fc6d9901552;p=thirdparty%2Fkernel%2Flinux.git

arm64: assembler: remove smp_dmb macro

These days arm64 kernels are always SMP, and thus smp_dmb is an
overly-long way of writing dmb. Naturally, no-one uses it.

Remove the unused macro.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
---

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 5f8a2772baebe..995362adaac06 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -79,13 +79,6 @@
 9990:
 	.endm
 
-/*
- * SMP data memory barrier
- */
-	.macro	smp_dmb, opt
-	dmb	\opt
-	.endm
-
 /*
  * RAS Error Synchronization barrier
  */