From: Nicolas Pitre <nico@fluxnic.net>
To: Kim Phillips <kim.phillips@freescale.com>
Cc: "Woodhouse, David" <david.woodhouse@intel.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Borislav Petkov <bp@alien8.de>,
Andrew Morton <akpm@linux-foundation.org>,
Daniel Santos <daniel.santos@pobox.com>,
David Rientjes <rientjes@google.com>,
Rusty Russell <rusty@rustcorp.com.au>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Rob Herring <robherring2@gmail.com>
Subject: Re: [PATCH v7] arm: use built-in byte swap function
Date: Thu, 23 May 2013 16:09:40 -0400 (EDT) [thread overview]
Message-ID: <alpine.LFD.2.03.1305231607060.1918@syhkavp.arg> (raw)
In-Reply-To: <20130523114654.1f273241725205c6703b2226@freescale.com>
On Thu, 23 May 2013, Kim Phillips wrote:
> Enable the compiler intrinsic for byte swapping on arch ARM. This
> allows the compiler to detect and be able to optimize out byte
> swappings, and has a very modest benefit on vmlinux size (Linaro gcc
> 4.8):
>
> text data bss dec hex filename
> 2840310 123932 61960 3026202 2e2d1a vmlinux-lart #orig
> 2840152 123932 61960 3026044 2e2c7c vmlinux-lart #builtin-bswap
>
> 6473120 314840 5616016 12403976 bd4508 vmlinux-mxs #orig
> 6472586 314848 5616016 12403450 bd42fa vmlinux-mxs #builtin-bswap
>
> 7419872 318372 379556 8117800 7bde28 vmlinux-imx_v6_v7 #orig
> 7419170 318364 379556 8117090 7bdb62 vmlinux-imx_v6_v7 #builtin-bswap
>
> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
> Reviewed-by: Nicolas Pitre <nico@linaro.org>
> Acked-by: David Woodhouse <David.Woodhouse@intel.com>
> ---
> resending as v6 appears to have fallen though the cracks. Russell?
Please send your patch to Russell's patch system:
http://www.arm.linux.org.uk/developer/patches/
Nicolas
next prev parent reply other threads:[~2013-05-23 20:09 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-29 1:30 [RFC] arm: use built-in byte swap function Kim Phillips
2013-01-29 8:35 ` Borislav Petkov
2013-01-29 16:46 ` Woodhouse, David
2013-01-29 17:42 ` Borislav Petkov
2013-01-29 17:55 ` Woodhouse, David
2013-01-29 18:10 ` Borislav Petkov
2013-01-30 10:22 ` Woodhouse, David
2013-01-31 2:09 ` Kim Phillips
2013-01-31 6:44 ` Borislav Petkov
2013-01-31 9:28 ` Russell King - ARM Linux
2013-01-31 20:59 ` Kim Phillips
2013-01-31 21:33 ` Borislav Petkov
2013-01-31 22:11 ` Woodhouse, David
2013-02-01 0:37 ` [PATCH v4] " Kim Phillips
2013-02-01 10:46 ` Russell King - ARM Linux
2013-02-01 1:17 ` [RFC] " Russell King - ARM Linux
2013-02-01 7:33 ` Woodhouse, David
2013-02-06 3:04 ` Kim Phillips
2013-02-06 9:02 ` Woodhouse, David
2013-02-07 1:19 ` Kim Phillips
2013-02-07 10:19 ` Will Newton
2013-02-07 10:43 ` Catalin Marinas
2013-02-07 18:13 ` Russell King - ARM Linux
2013-02-08 17:25 ` Woodhouse, David
2013-02-08 20:04 ` Nicolas Pitre
2013-02-08 22:40 ` Woodhouse, David
2013-02-08 22:47 ` Nicolas Pitre
2013-02-09 1:12 ` Kim Phillips
2013-02-09 3:16 ` Nicolas Pitre
2013-02-20 2:31 ` Kim Phillips
2013-02-20 2:38 ` Stephen Boyd
2013-02-20 3:17 ` Nicolas Pitre
2013-02-20 10:38 ` Woodhouse, David
2013-02-20 13:36 ` Nicolas Pitre
2013-02-20 13:44 ` Woodhouse, David
2013-02-20 14:06 ` Nicolas Pitre
2013-02-20 14:53 ` Woodhouse, David
2013-02-20 15:43 ` Nicolas Pitre
2013-02-21 3:49 ` Kim Phillips
2013-02-21 4:29 ` Nicolas Pitre
2013-02-21 6:52 ` Kim Phillips
2013-02-21 16:40 ` Nicolas Pitre
2013-02-22 2:33 ` Kim Phillips
2013-02-22 3:40 ` Nicolas Pitre
2013-02-23 1:40 ` [PATCH v6] " Kim Phillips
2013-02-23 2:40 ` Nicolas Pitre
2013-02-23 23:20 ` Woodhouse, David
2013-05-23 16:46 ` [PATCH v7] " Kim Phillips
2013-05-23 20:09 ` Nicolas Pitre [this message]
2013-05-23 23:13 ` Russell King - ARM Linux
2013-06-06 22:12 ` Russell King - ARM Linux
2013-06-06 22:23 ` Borislav Petkov
2013-06-07 0:03 ` Stephen Rothwell
2013-10-27 2:41 ` Nicolas Pitre
2013-11-05 21:45 ` Kim Phillips
2013-02-21 16:37 ` [RFC] " Woodhouse, David
2013-02-21 17:27 ` Nicolas Pitre
2013-03-13 13:35 ` Woodhouse, David
2013-01-29 14:13 ` Russell King - ARM Linux
2013-01-29 14:43 ` Woodhouse, David
2013-01-29 14:53 ` Rob Herring
2013-01-29 15:10 ` Woodhouse, David
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