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Re: [Xen-devel] Re: [PATCH 1/2] x86, hvm: allow another vcpu to receive
| To: | Kouya Shimura <kouya@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [PATCH 1/2] x86, hvm: allow another vcpu to receive PIT IRQ (support kexec/kdump on hvm) |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Wed, 01 Jul 2009 20:33:11 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 01 Jul 2009 12:33:39 -0700 |
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| In-reply-to: | <C6711EA5.EA88%keir.fraser@xxxxxxxxxxxxx> |
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| Thread-topic: | [Xen-devel] Re: [PATCH 1/2] x86, hvm: allow another vcpu to receive PIT IRQ (support kexec/kdump on hvm) |
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On 01/07/2009 14:09, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote: > On 01/07/2009 09:48, "Kouya Shimura" <kouya@xxxxxxxxxxxxxx> wrote: > >>> Hmmm... Okay I think this might be workable. Device passthru and vpt >>> subsystems could be fired off of whichever vcpu owns the LAPIC identifier >>> currently programmed into IOAPIC0:PIN0, rather than being hardwired to >>> VCPU0. >> >> Okay, but 2/2 patch can wait. First of all, I'll remake 1/2 patch. > > I'll deal with virtual wire via ioapic myself. Take a look at changeset 19877. It does the basics of what you need. Vpt.c logic probably still will need tweaking however. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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