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Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip
From: |
Auger Eric |
Subject: |
Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip |
Date: |
Fri, 28 Feb 2020 11:36:05 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
Hi Paolo,
On 2/28/20 11:34 AM, Paolo Bonzini wrote:
> On 27/02/20 22:14, Auger Eric wrote:
>>> Yes KVM kernel side should not be involed when we're using split
>>> irqchip in this case. However it should still belongs to the work of
>>> the userspace KVM module (kvm-all.c) so that it can still "mimic" the
>>> resamplefd feature that KVM_IRQFD provides.
>> OK. So that what my actual question. Should this be handled by kvm-all.c?
>
> I think it should; kvm-all.c in this case is providing the API to enable
> irqfds (including resamplefds).
>
> You could have a generic file descriptor<->interrupt routing subsystem,
> but for now that only exists for KVM so that's where Peter's code need
> to go.
OK
Thanks
Eric
>
> Paolo
>
- [PATCH 4/5] KVM: Kick resamplefd for split kernel irqchip, (continued)
- [PATCH 4/5] KVM: Kick resamplefd for split kernel irqchip, Peter Xu, 2020/02/26
- [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Peter Xu, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Peter Xu, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Auger Eric, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Peter Xu, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Auger Eric, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Peter Xu, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Auger Eric, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Peter Xu, 2020/02/27
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip, Paolo Bonzini, 2020/02/28
- Re: [PATCH v1.1 4/5] KVM: Kick resamplefd for split kernel irqchip,
Auger Eric <=
Re: [PATCH 4/5] KVM: Kick resamplefd for split kernel irqchip, Paolo Bonzini, 2020/02/28
[PATCH 5/5] Revert "vfio/pci: Disable INTx fast path if using split irqchip", Peter Xu, 2020/02/26
Re: [PATCH 0/5] vfio/pci: Fix up breakage against split irqchip and INTx, Auger Eric, 2020/02/27
Re: [PATCH 0/5] vfio/pci: Fix up breakage against split irqchip and INTx, Paolo Bonzini, 2020/02/28