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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>
Cc: Philippe Mathieu-Daud? <philmd@linaro.org>,
	peter.maydell@linaro.org, qemu-devel@nongnu.org,
	qemu-arm@nongnu.org, quic_tsoni@quicinc.com,
	quic_pheragu@quicinc.com, quic_eberman@quicinc.com,
	quic_yvasi@quicinc.com, quic_cvanscha@quicinc.com,
	quic_mnalajal@quicinc.com, Brian Cain <bcain@quicinc.com>,
	Mark Burton <mburton@qti.qualcomm.com>
Subject: Re: [RFC/PATCH v0 12/12] gunyah: Documentation
Date: Thu, 12 Oct 2023 15:55:59 +0100	[thread overview]
Message-ID: <87ttqvnazo.fsf@linaro.org> (raw)
In-Reply-To: <20231012123338.GF1130358@quicinc.com>


Srivatsa Vaddagiri <quic_svaddagi@quicinc.com> writes:

> * Philippe Mathieu-Daud? <philmd@linaro.org> [2023-10-12 06:52:04]:
>
>> > +Limitations
>> > +-----------
>> > +
>> > +Below features are not yet supported.
>> > +
>> > +* virtio-pci (support for which in Qemu seems to rely heavily on KVM, which
>> > +  needs to be made multi-hypervisor friendly).
>> 
>> Is QUIC interested in working on that? My work introducing
>> AccelCPUState to make CPUState accel-agnostic was done in that
>> direction, but I didn't notice much interest in the community
>> so I unprioritized it.
>
> Hi Phil,
> 	We do want to see Gunyah support merged in Qemu at the earliest (as soon
> as the kernel driver is merged upstream that is), so any dependent change in
> Qemu for Gunyah would be of much interest to us! I am not sure though if Quic
> can sign up for the entire "make cpustate accel agnostic" work. Can you point
> to your ongoing work that I could take a look at? Would that address virtio-pci
> becoming accelerator agnostic?

Why wouldn't virtio-pci be accelerator agnostic?

It works with KVM and TCG for example. There are I suppose complications
if you want to share emulated devices with a real PCI bus rather than
emulating it all within QEMU.

>
> Thanks!
> vatsa


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro


  reply	other threads:[~2023-10-12 14:59 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-11 16:52 [RFC/PATCH v0 00/12] Gunyah hypervisor support Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 01/12] hw/arm/virt: Avoid NULL pointer de-reference Srivatsa Vaddagiri
2023-10-12  4:30   ` Philippe Mathieu-Daudé
2023-10-12  5:02     ` Markus Armbruster
2023-10-12 12:24     ` Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 02/12] update-linux-headers: Include gunyah.h Srivatsa Vaddagiri
2023-10-11 16:57   ` Srivatsa Vaddagiri
2023-11-29 16:44   ` Alex Bennée
2023-12-01 10:35     ` Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 03/12] gunyah: Basic support Srivatsa Vaddagiri
2023-10-12  4:33   ` Philippe Mathieu-Daudé
2023-10-12 11:32     ` Alex Bennée
2023-10-12 12:24       ` Srivatsa Vaddagiri
2023-11-29 16:56   ` Alex Bennée
2023-12-01 10:33     ` Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 04/12] gunyah: Add VM properties Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 05/12] gunyah: Support memory assignment Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 06/12] gunyah: Add IRQFD and IOEVENTFD functions Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 07/12] gunyah: Add gicv3 interrupt controller Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 08/12] gunyah: Specific device-tree location Srivatsa Vaddagiri
2023-10-12  4:35   ` Philippe Mathieu-Daudé
2023-10-11 16:52 ` [RFC/PATCH v0 09/12] gunyah: Customize device-tree Srivatsa Vaddagiri
2023-10-12  4:36   ` Philippe Mathieu-Daudé
2023-10-11 16:52 ` [RFC/PATCH v0 10/12] gunyah: CPU execution loop Srivatsa Vaddagiri
2023-10-12  4:43   ` Philippe Mathieu-Daudé
2023-10-12 12:25     ` Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 11/12] gunyah: Workarounds (NOT FOR MERGE) Srivatsa Vaddagiri
2023-10-11 16:52 ` [RFC/PATCH v0 12/12] gunyah: Documentation Srivatsa Vaddagiri
2023-10-12  4:52   ` Philippe Mathieu-Daudé
2023-10-12 12:33     ` Srivatsa Vaddagiri
2023-10-12 14:55       ` Alex Bennée [this message]
2023-10-17  9:21         ` Srivatsa Vaddagiri
2023-10-18 15:54           ` Alex Bennée
2023-10-18 16:40 ` [RFC/PATCH v0 00/12] Gunyah hypervisor support Paolo Bonzini

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