All of lore.kernel.org
 help / color / mirror / Atom feed
From: Yang Yingliang <yangyingliang@huawei.com>
To: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Cc: <catalin.marinas@arm.com>, <will@kernel.org>,
	<guohanjun@huawei.com>, <yangyingliang@huawei.com>
Subject: [PATCH 0/3] arm64: lib: improve copy performance
Date: Tue, 23 Mar 2021 15:34:29 +0800	[thread overview]
Message-ID: <20210323073432.3422227-1-yangyingliang@huawei.com> (raw)

This patchset reduce instructions in copy_template.S
to improve the performance of copy memory, when size
is ge 64 bytes.

Yang Yingliang (3):
  arm64: lib: introduce ldp2/stp2 macro
  arm64: lib: improve copy performance when size is ge 128 bytes
  arm64: lib: improve copy performance when size is less than 128 and ge
    64 bytes

 arch/arm64/include/asm/asm-uaccess.h | 16 +++++++++
 arch/arm64/lib/copy_from_user.S      |  8 +++++
 arch/arm64/lib/copy_in_user.S        |  8 +++++
 arch/arm64/lib/copy_template.S       | 54 +++++++++++++++-------------
 arch/arm64/lib/copy_to_user.S        |  8 +++++
 arch/arm64/lib/memcpy.S              |  8 +++++
 6 files changed, 78 insertions(+), 24 deletions(-)

-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Yang Yingliang <yangyingliang@huawei.com>
To: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Cc: <catalin.marinas@arm.com>, <will@kernel.org>,
	<guohanjun@huawei.com>, <yangyingliang@huawei.com>
Subject: [PATCH 0/3] arm64: lib: improve copy performance
Date: Tue, 23 Mar 2021 15:34:29 +0800	[thread overview]
Message-ID: <20210323073432.3422227-1-yangyingliang@huawei.com> (raw)

This patchset reduce instructions in copy_template.S
to improve the performance of copy memory, when size
is ge 64 bytes.

Yang Yingliang (3):
  arm64: lib: introduce ldp2/stp2 macro
  arm64: lib: improve copy performance when size is ge 128 bytes
  arm64: lib: improve copy performance when size is less than 128 and ge
    64 bytes

 arch/arm64/include/asm/asm-uaccess.h | 16 +++++++++
 arch/arm64/lib/copy_from_user.S      |  8 +++++
 arch/arm64/lib/copy_in_user.S        |  8 +++++
 arch/arm64/lib/copy_template.S       | 54 +++++++++++++++-------------
 arch/arm64/lib/copy_to_user.S        |  8 +++++
 arch/arm64/lib/memcpy.S              |  8 +++++
 6 files changed, 78 insertions(+), 24 deletions(-)

-- 
2.25.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

             reply	other threads:[~2021-03-23  7:32 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23  7:34 Yang Yingliang [this message]
2021-03-23  7:34 ` [PATCH 0/3] arm64: lib: improve copy performance Yang Yingliang
2021-03-23  7:34 ` [PATCH 1/3] arm64: lib: introduce ldp2/stp2 macro Yang Yingliang
2021-03-23  7:34   ` Yang Yingliang
2021-03-23  7:34 ` [PATCH 2/3] arm64: lib: improve copy performance when size is ge 128 bytes Yang Yingliang
2021-03-23  7:34   ` Yang Yingliang
2021-03-23 12:08   ` Robin Murphy
2021-03-23 12:08     ` Robin Murphy
2021-03-23 13:32     ` Will Deacon
2021-03-23 13:32       ` Will Deacon
2021-03-23 14:28       ` Robin Murphy
2021-03-23 14:28         ` Robin Murphy
2021-03-23 15:03       ` Catalin Marinas
2021-03-23 15:03         ` Catalin Marinas
2021-03-24 16:38     ` David Laight
2021-03-24 16:38       ` David Laight
2021-03-24 19:36       ` Robin Murphy
2021-03-24 19:36         ` Robin Murphy
2021-03-23  7:34 ` [PATCH 3/3] arm64: lib: improve copy performance when size is less than 128 and ge 64 bytes Yang Yingliang
2021-03-23  7:34   ` Yang Yingliang

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=20210323073432.3422227-1-yangyingliang@huawei.com \
    --to=yangyingliang@huawei.com \
    --cc=catalin.marinas@arm.com \
    --cc=guohanjun@huawei.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=will@kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.