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Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route
From: |
Alexander Graf |
Subject: |
Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route |
Date: |
Fri, 21 Jun 2013 15:46:02 +0200 |
On 21.06.2013, at 14:10, Benjamin Herrenschmidt wrote:
> On Fri, 2013-06-21 at 14:05 +0200, Alexander Graf wrote:
>> Oh, I thought that was obvious. BookE also has in-kernel emulation and
>> also does set kvm_msi_via_irqfd_allowed. The code above is spapr
>> specific and would simply rewrite valid BookE MPIC addresses into
>> something broken.
>>
>> In fact, where does the spapr variable come from at all here?
>
> Right, so we are back to square #1 -> This should be a method of the
> PCI Host bridge.
Not sure. We could just declare a "direct virq==irq" mode in which msi.data ==
virq == irq. No need for any translation then.
Alex
[Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Alexey Kardashevskiy, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Alexander Graf, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Benjamin Herrenschmidt, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Alexander Graf, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Benjamin Herrenschmidt, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route,
Alexander Graf <=
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Benjamin Herrenschmidt, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Alexander Graf, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Benjamin Herrenschmidt, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Alex Williamson, 2013/06/21
- Re: [Qemu-ppc] [PATCH 2/3] KVM: add kvm_arch_irqchip_add_msi_route, Benjamin Herrenschmidt, 2013/06/21
[Qemu-ppc] [PATCH 3/3] KVM: PPC: enable irqfd, Alexey Kardashevskiy, 2013/06/21