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Message-ID: <20151006153748.GD3069@e104818-lin.cambridge.arm.com> Date: Tue, 6 Oct 2015 16:37:49 +0100 From: Catalin Marinas <catalin.marinas@....com> To: Feng Kan <fkan@....com> Cc: patches@....com, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, philipp.tomsich@...obroma-systems.com, dann.frazier@...onical.com, tim.gardner@...onical.com, craig.magina@...onical.com, soni.trilok.oss@...il.com Subject: Re: [PATCH V5 0/2] copy to/in/from user optimization 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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