[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-ke
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode |
Date: |
Wed, 28 Mar 2012 09:13:22 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-03-22 00:17, Jan Kiszka wrote:
> Some half a year ago when I posted my first attempt to refactor MSI
> for KVM support, we came to the conclusion that it might suffice to do
> transparent dynamic routing for user-space injected MSI messages. These
> two patches now implement such an approach for upstream.
>
> As QEMU does not yet include irqfd support (for vhost) or pci device
> assignment, this is already enough to enable MSI over the in-kernel
> irqchip. Still, this is only RFC as it is just lightly tested and should
> primarily collect feedback regarding the direction. If it's fine, I'd
> like to base further qemu-kvm refactorings and upstream preparations on
> top of such a series.
>
> Also, I'd like to reanimate my KVM patch to provide direct MSI injection
> in future kernels so that we do not need to take this long path here
> forever.
>
> Jan Kiszka (2):
> kvm: Introduce basic MSI support in-kernel irqchips
> KVM: x86: Wire up MSI support for in-kernel irqchip
>
> hw/apic.c | 3 +
> hw/kvm/apic.c | 33 ++++++++++-
> hw/pc.c | 5 --
> kvm-all.c | 171
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> kvm.h | 1 +
> 5 files changed, 205 insertions(+), 8 deletions(-)
>
Anyone any comments? I think this series could open the door for
kernel_irqchip=on as default in QEMU 1.1.
Jan
signature.asc
Description: OpenPGP digital signature
- [Qemu-devel] [RFC][PATCH 2/2] KVM: x86: Wire up MSI support for in-kernel irqchip, (continued)
- [Qemu-devel] [RFC][PATCH 2/2] KVM: x86: Wire up MSI support for in-kernel irqchip, Jan Kiszka, 2012/03/21
- [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Jan Kiszka, 2012/03/21
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Avi Kivity, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Jan Kiszka, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Avi Kivity, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Jan Kiszka, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Avi Kivity, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Jan Kiszka, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Michael S. Tsirkin, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 1/2] kvm: Introduce basic MSI support in-kernel irqchips, Michael S. Tsirkin, 2012/03/28
Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode,
Jan Kiszka <=
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Michael S. Tsirkin, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Jan Kiszka, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Michael S. Tsirkin, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Jan Kiszka, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Michael S. Tsirkin, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Jan Kiszka, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Michael S. Tsirkin, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Jan Kiszka, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Michael S. Tsirkin, 2012/03/28
- Re: [Qemu-devel] [RFC][PATCH 0/2] uq/master: Basic MSI support for in-kernel irqchip mode, Jan Kiszka, 2012/03/28