From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: add support for uncompressed uImage kernel
Date: Tue, 9 Nov 2010 15:51:31 +0100 [thread overview]
Message-ID: <20101109145131.GY16938@pengutronix.de> (raw)
In-Reply-To: <20101109140455.GA6680@n2100.arm.linux.org.uk>
On Tue, Nov 09, 2010 at 02:04:55PM +0000, Russell King - ARM Linux wrote:
> Is it really faster to copy an uncompressed image than it is to
> decompress using LZMA with caches on?
>
> Remember that in terms of fast boot, uboot sucks - it's way over the
> top of what you need. Eg, it always copies the image to RAM before
> executing it. That gives two problems:
Last time I checked (which is a few years ago) U-Boot was well able to
start a ZBOOT_ROM image. I'd be surprised if U-Boot lost that ability.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2010-11-09 14:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-09 13:50 [PATCH] ARM: add support for uncompressed uImage kernel Alexander Stein
2010-11-09 14:04 ` Russell King - ARM Linux
2010-11-09 14:51 ` Uwe Kleine-König [this message]
2010-11-09 22:38 ` Sascha Hauer
2010-11-13 10:47 ` Albin Tonnerre
2010-11-18 7:38 ` Alexander Stein
2010-11-18 8:15 ` Uwe Kleine-König
2010-11-18 9:10 ` Russell King - ARM Linux
2010-11-18 10:18 ` Alexander Stein
2010-11-09 14:57 ` Uwe Kleine-König
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