RE: [Xen-devel] Genapic in 32-bit Dom0 (Was : More Problems booting32-bit Domain 0 on ES7000 x86_64)

["Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>]

Chris,

Is there any way for us to see an early copy of this patch? I think we
need to come up with way for apic_xen to accommodate clustered apics too
or there might be issues running on large systems.

Thanks
Aravindh

> -----Original Message-----
> From: Chris Wright [mailto:chrisw@xxxxxxxx]
> Sent: Friday, August 05, 2005 3:29 PM
> To: Puthiyaparambil, Aravindh
> Cc: Chris Wright; Keir Fraser; Magolan, John F; xen-
> devel@xxxxxxxxxxxxxxxxxxx; Subrahmanian, Raj; Vessey, Bruce A
> Subject: Re: [Xen-devel] Genapic in 32-bit Dom0 (Was : More Problems
> booting32-bit Domain 0 on ES7000 x86_64)
> 
> * Puthiyaparambil, Aravindh (aravindh.puthiyaparambil@xxxxxxxxxx)
wrote:
> > Ooops that could cause problems for us on the ES7000 x86_64 as we
run in
> > clustered apic mode. With a uniprocessor Dom0 I see that it picks up
> > clustered apic. From a cursory look at the genapic code in Dom0 I
don't
> > see a difference between UP and SMP clustered_apic_check(). Am I
looking
> > at the wrong place?
> 
> Yes, that patch hasn't been merged yet.
> 
> Here's the snippet that's likely to cause a problem as it stands now:
> 
> +print:
> +     /* hardcode to xen apic functions */
> +     genapic = &apic_xen;
> +     printk(KERN_INFO "Setting APIC routing to %s\n", genapic->name);
> 
> thanks,
> -chris

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