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xen-devel
RE: [Xen-devel] Genapic in 32-bit Dom0 (Was : More Problems booting32-bi
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To: |
"Chris Wright" <chrisw@xxxxxxxx> |
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Subject: |
RE: [Xen-devel] Genapic in 32-bit Dom0 (Was : More Problems booting32-bit Domain 0 on ES7000 x86_64) |
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From: |
"Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx> |
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Date: |
Sat, 6 Aug 2005 12:03:23 -0400 |
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Cc: |
"Magolan, John F" <John.Magolan@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, "Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>, "Vessey, Bruce A" <Bruce.Vessey@xxxxxxxxxx> |
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Sat, 06 Aug 2005 16:03:02 +0000 |
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[Xen-devel] Genapic in 32-bit Dom0 (Was : More Problems booting32-bit Domain 0 on ES7000 x86_64) |
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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