Re: [PATCH] panic when booting Intel XXPRESS SMP boards

From: Kurt Garloff (garloff@suse.de)
Date: Fri Sep 08 2000 - 15:48:29 EST


On Fri, Sep 08, 2000 at 12:25:48PM -0700, Linus Torvalds wrote:
> On Fri, 8 Sep 2000, Maciej W. Rozycki wrote:
> > I think we must panic() for an unknown bus that has an I/O APIC interrupt
> > routed from that is marked as "conforming to the bus spec" in the MP
> > table. Trying to assume any defaults is unsafe and is not any better --
> > we may guess them upon the first interested user reports such a problem.
> > This should trigger on a small amount of unusual system if any at all.
>
> Note that then we should move the panic to the irq routing part (ie
> MPBIOS_trigger() and MPBIOS_polarity friends). Although right now we have
> just a printk() there, and I think I'd prefer it that way. Maybe just make
> it bigger letters..

Indeed. There may be devices on the XXX bus configured by the BIOS that we
never want to use anyway ...
The driver will not find the device anyway, so no danger AFAICS.

Regards,

-- 
Kurt Garloff  <garloff@suse.de>                          Eindhoven, NL
GPG key: See mail header, key servers         Linux kernel development
SuSE GmbH, Nuernberg, FRG                               SCSI, Security


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