From: Dan Malek <dan@embeddededge.com>
To: Wolfgang Denk <wd@denx.de>
Cc: linux-mips <linux-mips@linux-mips.org>,
Robert Michel <news@robertmichel.de>
Subject: Re: patch like kexec for MIPS possible?
Date: Sat, 5 Feb 2005 20:01:46 -0500 [thread overview]
Message-ID: <efcfca49cf2c4494a661ba916f2e1546@embeddededge.com> (raw)
In-Reply-To: <20050205203333.CD4DBC108D@atlas.denx.de>
On Feb 5, 2005, at 3:33 PM, Wolfgang Denk wrote:
> ..... but I cannot see many situations where
> kexec is actually better or more powerful than a decent bootloader
> line U-Boot. OK, I'm obviously biased.
I agree. I've played with booting kernels from kernels
in both PowerPC and MIPS in the past, and the problem
I always run into is drivers or kernel functions that assume
a particular power up state. When rebooting from another
kernel you don't have the same state as from power up, and
some software doesn't like this. I suspect main reason for
kexec is the horrible x86 bios and nothing that can be done
about it.
Oh, and I agree with your assessment, not that you are biased :-)
-- Dan
next prev parent reply other threads:[~2005-02-06 1:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-05 16:50 patch like kexec for MIPS possible? Robert Michel
2005-02-05 17:41 ` Thiemo Seufer
2005-02-05 19:11 ` Robert Michel
2005-02-05 20:33 ` Wolfgang Denk
2005-02-06 1:01 ` Dan Malek [this message]
2005-02-06 9:29 ` Wolfgang Denk
2005-02-06 0:28 ` Thiemo Seufer
2005-02-07 16:37 ` Robert Michel
2005-02-05 19:26 ` Stanislaw Skowronek
2005-02-06 15:56 ` Ralf Baechle
2005-02-06 16:11 ` Stanislaw Skowronek
2005-02-06 16:11 ` Ralf Baechle
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