From: Kalle Valo <kvalo@codeaurora.org>
To: Rama McIntosh <face00@gmail.com>
Cc: ath11k@lists.infradead.org, rama@myutil.com
Subject: Re: [PATCH RFT] ath11k: pci: support platforms with one MSI vector
Date: Wed, 24 Nov 2021 11:32:15 +0200 [thread overview]
Message-ID: <87k0gx6grk.fsf@codeaurora.org> (raw)
In-Reply-To: <CAPVWjyNcZuDTRrqCyWJkoU49UzKs8QyZHfKC5PO8JzdMzjQ8rg@mail.gmail.com> (Rama McIntosh's message of "Fri, 22 Oct 2021 13:16:38 -1000")
Rama McIntosh <face00@gmail.com> writes:
> Hi Kalle and Carl,
>
> Nice, I missed this patch. While my hardware supports multi-vector
> msi and the driver works great on fedora (dell 9700), I run Qubes-os
> and qemu hw/xen currently only supports a single msi vector. I've
> been looking into fixing qemu to support multi-vector msi...but don't
> have a lot of free time and am still learning how pci and qemu all
> work (should be doable, qemu supports multi vector for msix, just not
> msi).
>
> I applied this patch to the latest Qubes-os 4.1 alpha (kernel
> 5.10.71). Now instead of the msi initialization error (-28), I
> get a page fault and kernel panic in my sys-net vm. I tried
> permissive mode and no-strict-rest mode too, same effect (i.e 'qvm-pci
> attach sys-net-clone-1 dom0:05_00.0 --persistent -o permissive=true
> -o no-strict-reset=true'). However, I'm excited and I will see if I
> can fix this patch to work with xen as soon as I have some time off
> work.
1 MSI vector support is applied now:
https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=ath-next&id=ac6e73483f7b
The plan is is that it will be in v5.17.
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next prev parent reply other threads:[~2021-11-24 9:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-22 23:16 [PATCH RFT] ath11k: pci: support platforms with one MSI vector Rama McIntosh
2021-11-24 9:32 ` Kalle Valo [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-11-11 18:58 Kalle Valo
2020-11-12 6:46 ` kernel test robot
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