From: Dave Rodgman <dave.rodgman@arm.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: nd <nd@arm.com>,
"herbert@gondor.apana.org.au" <herbert@gondor.apana.org.au>,
"davem@davemloft.net" <davem@davemloft.net>,
Matt Sealey <Matt.Sealey@arm.com>,
"nitingupta910@gmail.com" <nitingupta910@gmail.com>,
"rpurdie@openedhand.com" <rpurdie@openedhand.com>,
"markus@oberhumer.com" <markus@oberhumer.com>,
"minchan@kernel.org" <minchan@kernel.org>,
"sergey.senozhatsky.work@gmail.com"
<sergey.senozhatsky.work@gmail.com>,
"sonnyrao@google.com" <sonnyrao@google.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Subject: [PATCH 5/7] lib/lzo: fast 8-byte copy on arm64
Date: Tue, 27 Nov 2018 16:19:33 +0000 [thread overview]
Message-ID: <20181127161913.23863-6-dave.rodgman@arm.com> (raw)
In-Reply-To: <20181127161913.23863-1-dave.rodgman@arm.com>
From: Matt Sealey <matt.sealey@arm.com>
Enable faster 8-byte copies on arm64.
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
Signed-off-by: Matt Sealey <matt.sealey@arm.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 c8965dc181df..06fa83a38e0a 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(CONFIG_X86_64)
+#if defined(CONFIG_X86_64) || defined(CONFIG_ARM64)
#define COPY8(dst, src) \
put_unaligned(get_unaligned((const u64 *)(src)), (u64 *)(dst))
#else
--
2.16.4
next prev parent reply other threads:[~2018-11-27 16:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 16:19 [PATCH v2 0/7] lib/lzo: performance improvements Dave Rodgman
2018-11-27 16:19 ` [PATCH 1/7] lib/lzo: tidy-up ifdefs Dave Rodgman
2018-11-27 16:19 ` [PATCH 2/7] lib/lzo: clean-up by introducing COPY16 Dave Rodgman
2018-11-27 22:50 ` Andrew Morton
2018-11-27 16:19 ` [PATCH 3/7] lib/lzo: enable 64-bit CTZ on Arm Dave Rodgman
2018-11-27 16:19 ` [PATCH 4/7] lib/lzo: 64-bit CTZ on arm64 Dave Rodgman
2018-11-27 16:19 ` Dave Rodgman [this message]
2018-11-27 16:19 ` [PATCH 6/7] lib/lzo: implement run-length encoding Dave Rodgman
2018-11-29 3:08 ` Sergey Senozhatsky
2018-11-29 3:11 ` Sergey Senozhatsky
2018-11-27 16:19 ` [PATCH 7/7] lib/lzo: separate lzo-rle from lzo Dave Rodgman
2018-11-29 4:43 ` Sergey Senozhatsky
2018-11-29 10:21 ` Dave Rodgman
2018-11-29 20:32 ` Andrew Morton
2018-11-30 3:05 ` Sergey Senozhatsky
2018-11-30 10:45 ` Dave Rodgman
2018-12-03 2:40 ` Sergey Senozhatsky
2018-12-03 2:53 ` Herbert Xu
2018-11-29 4:46 ` [PATCH v2 0/7] lib/lzo: performance improvements Sergey Senozhatsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181127161913.23863-6-dave.rodgman@arm.com \
--to=dave.rodgman@arm.com \
--cc=Matt.Sealey@arm.com \
--cc=akpm@linux-foundation.org \
--cc=davem@davemloft.net \
--cc=gregkh@linuxfoundation.org \
--cc=herbert@gondor.apana.org.au \
--cc=linux-kernel@vger.kernel.org \
--cc=markus@oberhumer.com \
--cc=minchan@kernel.org \
--cc=nd@arm.com \
--cc=nitingupta910@gmail.com \
--cc=rpurdie@openedhand.com \
--cc=sergey.senozhatsky.work@gmail.com \
--cc=sonnyrao@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).