linux-kernel - [PATCH 4/6] lib/lzo: fast 8-byte copy on arm64

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Message-ID: <20181121115922.22864-5-dave.rodgman@arm.com>
Date:   Wed, 21 Nov 2018 11:59:33 +0000
From:   Dave Rodgman <dave.rodgman@....com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     nd <nd@....com>,
        "herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>,
        "davem@...emloft.net" <davem@...emloft.net>,
        Matt Sealey <Matt.Sealey@....com>,
        "nitingupta910@...il.com" <nitingupta910@...il.com>,
        "rpurdie@...nedhand.com" <rpurdie@...nedhand.com>,
        "markus@...rhumer.com" <markus@...rhumer.com>,
        "minchan@...nel.org" <minchan@...nel.org>,
        "sergey.senozhatsky.work@...il.com" 
        <sergey.senozhatsky.work@...il.com>
Subject: [PATCH 4/6] lib/lzo: fast 8-byte copy on arm64

From: Matt Sealey <matt.sealey@....com>

Enable faster 8-byte copies on arm64.

Signed-off-by: Dave Rodgman <dave.rodgman@....com>
Signed-off-by: Matt Sealey <matt.sealey@....com>
---
 lib/lzo/lzodefs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/lzo/lzodefs.h b/lib/lzo/lzodefs.h
index d167f8fc6795..341d0f6095ab 100644
--- a/lib/lzo/lzodefs.h
+++ b/lib/lzo/lzodefs.h
@@ -15,7 +15,7 @@
 
 #define COPY4(dst, src)	\
 		put_unaligned(get_unaligned((const u32 *)(src)), (u32 *)(dst))
-#if defined(__x86_64__)
+#if defined(__x86_64__) || defined(__aarch64__)
 #define COPY8(dst, src)	\
 		put_unaligned(get_unaligned((const u64 *)(src)), (u64 *)(dst))
 #else
-- 
2.16.4