linux-kernel - [PATCH v2 2/2] lib: lz4: cleanup unaligned access efficiency detection

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Date:	Sat,  9 Apr 2016 22:05:35 +0100
From:	Rui Salvaterra <rsalvaterra@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-mm@...ck.org, sergey.senozhatsky@...il.com,
	sergey.senozhatsky.work@...il.com, gregkh@...uxfoundation.org,
	eunb.song@...sung.com, minchan@...nel.org, chanho.min@....com,
	kyungsik.lee@....com, Rui Salvaterra <rsalvaterra@...il.com>
Subject: [PATCH v2 2/2] lib: lz4: cleanup unaligned access efficiency detection

These identifiers are bogus. The interested architectures should define
HAVE_EFFICIENT_UNALIGNED_ACCESS whenever relevant to do so. If this
isn't true for some arch, it should be fixed in the arch definition.

Signed-off-by: Rui Salvaterra <rsalvaterra@...il.com>
---
 lib/lz4/lz4defs.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/lz4/lz4defs.h b/lib/lz4/lz4defs.h
index 0710a62..c79d7ea 100644
--- a/lib/lz4/lz4defs.h
+++ b/lib/lz4/lz4defs.h
@@ -24,9 +24,7 @@
 typedef struct _U16_S { u16 v; } U16_S;
 typedef struct _U32_S { u32 v; } U32_S;
 typedef struct _U64_S { u64 v; } U64_S;
-#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)		\
-	|| defined(CONFIG_ARM) && __LINUX_ARM_ARCH__ >= 6	\
-	&& defined(ARM_EFFICIENT_UNALIGNED_ACCESS)
+#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
 
 #define A16(x) (((U16_S *)(x))->v)
 #define A32(x) (((U32_S *)(x))->v)
-- 
2.7.4