Re: boot option for CONFIG_EDD_SKIP_MBR?

[Dave Jones]

On Thu, Nov 04, 2004 at 07:45:34AM -0600, Matt Domsch wrote:
 > On Thu, Nov 04, 2004 at 02:35:58PM +0100, Carl-Daniel Hailfinger wrote:
 > > [please CC: me on replies]
 > > having had problems (inifinte hang on boot) with some Fujitsu
 > > Siemens Scenic computers when EDD was enabled, I asked myself
 > > if it would be possible to add a boot option edd=nombr and
 > > possibly also another boot option edd=off to the EDD code in
 > > the kernel. These would correspond to CONFIG_EDD_SKIP_MBR
 > > and CONFIG_EDD, respectively.
 > >
 > > Yes, option parsing before entering protected mode is ugly,
 > > but the vga setup code does it, too.
 > > 
 > > What do you think?
 > 
 > I'd love it.  I hadn't done it as I thought it would be ugly, and so
 > far I could blame buggy BIOSes for the delay.  If you want to work up
 > a patch, I'll gladly review and apply something that does such.

But would this actually be useful for the cases where EDD has been
broken so far ? AFAIR, the bootparam parsing happens /after/
we do the 16-bit EDD asm foo.

		Dave

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