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Re: [Xen-devel] can't mount root... devfs???

To: James Harper <JamesH@xxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] can't mount root... devfs???
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Fri, 02 Jul 2004 08:09:48 +0100
Cc: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
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> I'm now recompiling both xen0 and xenU with devfs not compiled in (I had 
> tried booting xenU with devfs=nomount and it didn't make a difference).
> One thing I did just notice is now that the xenU config is fixed for SCSI 
> (make menuconfig would crash if you tried to access SCSI), I can actually go 
> in there and enable or disable scsi in the kernel. I assume that even though 
> xen0 is using the scsi device directly, and that i'm exporting /dev/sda7 to 
> xenU, xenU shouldn't need any scsi block devices at all, is that correct? 
> SCSI was enabled, i'm now trying it with SCSI not selected at all.
> thanks
> James

Correct --- you don't need low-level device drivers in xenU. If we
were prepared to modify the drivers/scsi/config, we'd remove the
low-level driver options when configuring a non-privileged kernel.

 -- Keir

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