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Re: [PATCH v2 0/3] revert 9pfs reply truncation, wait for free room to r
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From: |
Greg Kurz |
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Subject: |
Re: [PATCH v2 0/3] revert 9pfs reply truncation, wait for free room to reply |
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Date: |
Mon, 25 May 2020 15:48:47 +0200 |
On Thu, 21 May 2020 12:26:18 -0700 (PDT)
Stefano Stabellini <address@hidden> wrote:
> Hi all,
>
> This short series reverts commit 16724a173049ac29c7b5ade741da93a0f46edff
> becauses it is the cause for https://bugs.launchpad.net/bugs/1877688.
>
> The original issue addressed by 16724a173049ac29c7b5ade741da93a0f46edff
> is solved differently in this series by using qemu_coroutine_yield() to
> wait for the client to free more data from the ring before sending the
> reply.
>
> Cheers,
>
> Stefano
>
I wasn't really involved in the review of these patches, but I've
done some testing with virtio-9p which show no regression. I
assume you have done some testing on the Xen side as well. So
I've pushed the series to 9p-next. I shall send a PR in a day
or so.
Cheers,
--
Greg
> Changes in v2:
> - add comments on barriers
> - add patch to increase ring size to the max allowed