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Re: [Qemu-devel] [RFC][PATCH v2 00/11] uq/master: irqfd-based interrupt
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] [RFC][PATCH v2 00/11] uq/master: irqfd-based interrupt injection for virtio/vhost |
Date: |
Sun, 20 May 2012 17:20:22 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 |
On 05/17/2012 04:32 PM, Jan Kiszka wrote:
> [ changes in v2: rebase over uq/master ]
>
> This series is another major milestone of merging qemu-kvm into
> upstream. It implements the required interfaces and logic to directly
> inject MSI-X interrupts generated by the vhost-net kernel module into
> the KVM in-kernel irqchip. This involves
> - establishing MSI vector notifiers, so far triggered on relevant MSI-X
> configuration changes of subscribed PCI devices
> - support for static vIRQ-to-MSI routes
> - an API for linking an IRQFD with such a vIRQ
> - the usage of these services in virtio-pci to enable direct injection
>
> The series also contains some smaller refactorings of the KVM IRQ
> routing API such as automatic committing of route changes. It applies on
> top of the KVM MSI support series [1] posted recently. The complete
> stack is available at
>
> git://git.kiszka.org/qemu-kvm.git queues/kvm-msi-irqfd
>
> If the proposes API is acceptable, I will also provide some morphing
> patches for qemu-kvm to make the merge of both trees smoother.
>
> After this series, to only reasons to still use qemu-kvm for production
> purposes will be PCI device assignment and potential dependencies on
> legacy command line switches as well as vmstate formats (when requiring
> backward migration support). However, the majority of users should be
> able to switch to upstream QEMU seamlessly and finally receive the same
> level of performance on x86.
>
>
Thanks, applied.
--
error compiling committee.c: too many arguments to function
- [Qemu-devel] [RFC][PATCH v2 01/11] msix: Factor out msix_get_message, (continued)
- [Qemu-devel] [RFC][PATCH v2 01/11] msix: Factor out msix_get_message, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 05/11] kvm: Introduce kvm_irqchip_add_msi_route, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 03/11] msix: Introduce vector notifiers, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 06/11] kvm: Publicize kvm_irqchip_release_virq, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 04/11] kvm: Rename kvm_irqchip_add_route to kvm_irqchip_add_irq_route, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 07/11] kvm: Make kvm_irqchip_commit_routes an internal service, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 09/11] kvm: Enable use of kvm_irqchip_in_kernel in hwlib code, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 08/11] kvm: Introduce kvm_irqchip_add/remove_irqfd, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 10/11] msix: Add msix_nr_vectors_allocated, Jan Kiszka, 2012/05/17
- [Qemu-devel] [RFC][PATCH v2 11/11] virtio/vhost: Add support for KVM in-kernel MSI injection, Jan Kiszka, 2012/05/17
- Re: [Qemu-devel] [RFC][PATCH v2 00/11] uq/master: irqfd-based interrupt injection for virtio/vhost,
Avi Kivity <=
- Re: [Qemu-devel] [RFC][PATCH v2 00/11] uq/master: irqfd-based interrupt injection for virtio/vhost, Michael S. Tsirkin, 2012/05/20