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Re: [PATCH 6/6] setup.c: use early_param() for early command line parsin

To: Franck Bui-Huu <vagabon.xyz@gmail.com>
Subject: Re: [PATCH 6/6] setup.c: use early_param() for early command line parsing
From: Thiemo Seufer <ths@networkno.de>
Date: Tue, 8 Aug 2006 16:14:09 +0100
Cc: linux-mips@linux-mips.org, anemo@mba.ocn.ne.jp, ralf@linux-mips.org, yoichi_yuasa@tripeaks.co.jp
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Franck Bui-Huu wrote:
> Thiemo Seufer wrote:
> > Franck Bui-Huu wrote:
> >> There's no point to rewrite some logic to parse command line
> >> to pass initrd parameters or to declare a user memory area.
> >> We could use instead parse_early_param() that does the same
> >> thing.
> >>
> >> NOTE ! This patch also changes the initrd semantic. Old code
> >> was expecting "rd_start=xxx rd_size=xxx" which uses two
> >> parameters. Now the code expects "initrd=xxx@yyy" which is
> >> really simpler to parse and to use. No default config files
> >> use these parameters anyways but not sure for bootloader's
> >> users...
> > 
> > This code is there precisely because most mips bootloaders use
> > rd_start/rd_size.
> 
> OK, I guess we have to stick with this weird semantic...
> 
> > It also is IMHO a bad idea to overload the
> > semantics of initrd= with both file names and memory locations.
> 
> I wasn't aware of any file name usages. Can you give a pointer ?

Documentation/initrd.txt
Documentation/filesystems/ramfs-rootfs-initramfs.txt


Thiemo

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