From: Catalin Marinas <catalin.marinas@arm.com>
To: Feng Kan <fkan@apm.com>
Cc: patches@apm.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
philipp.tomsich@theobroma-systems.com,
dann.frazier@canonical.com, tim.gardner@canonical.com,
craig.magina@canonical.com, soni.trilok.oss@gmail.com
Subject: Re: [PATCH V5 0/2] copy to/in/from user optimization
Date: Tue, 6 Oct 2015 16:37:49 +0100 [thread overview]
Message-ID: <20151006153748.GD3069@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <1443034539-1848-1-git-send-email-fkan@apm.com>
On Wed, Sep 23, 2015 at 11:55:37AM -0700, Feng Kan wrote:
> This coverts all copy in/from/to user file to use the copy template file.
> The copy template file is based on the memcpy.S. The first patch converts
> the memcpy to use the copy template as well. Overnight trinity test and
> 10G iperf was used to test correctness and performance. Noticeable
> iperf improvement (~30%) on the receive side.
>
> V5 Changes:
> 1. Switch patch ordering.
> 2. Simplify assembly code and use fixed large tags in marco
> 3. Fixed indentation issue.
>
> Feng Kan (2):
> arm64: Change memcpy in kernel to use the copy template file
> arm64: copy_to-from-in_user optimization using copy template
Queued for 4.4 (subject to passing my LTP testing). Thanks.
--
Catalin
prev parent reply other threads:[~2015-10-06 15:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-23 18:55 Feng Kan
2015-09-23 18:55 ` [PATCH V5 1/2] arm64: Change memcpy in kernel to use the copy template file Feng Kan
2015-09-23 18:55 ` [PATCH V5 2/2] arm64: copy_to-from-in_user optimization using copy template Feng Kan
2015-10-06 15:37 ` Catalin Marinas [this message]
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