From: Jon Kohler <jon@nutanix.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH v3 0/3] vhost-net regression fixes
Date: Mon, 15 Sep 2025 16:39:01 +0000 [thread overview]
Message-ID: <A8EB32B8-1AF2-45AA-87A9-4068E405B284@nutanix.com> (raw)
In-Reply-To: <cover.1757951612.git.mst@redhat.com>
> On Sep 15, 2025, at 12:03 PM, Michael S. Tsirkin <mst@redhat.com> wrote:
>
> !-------------------------------------------------------------------|
> CAUTION: External Email
>
> |-------------------------------------------------------------------!
>
>
> Two regressions were reported in vhost-net.
> This is based on a patchset by Jason, but with
> patch 2 from his series split up and made simpler.
>
> Lightly tested.
> Jason, Jon could you pls test this as well, and report?
For the iotlb bit (patch 2/3):
Tried this out on a 6.16 host / guest that locked up with iotlb miss loop,
applied this patch and all was well.
Tested-by: Jon Kohler <jon@nutanix.com>
>
>
> Jason Wang (2):
> vhost-net: unbreak busy polling
>
> Michael S. Tsirkin (1):
> Revert "vhost/net: Defer TX queue re-enable until after sendmsg"
> vhost-net: flush batched before enabling notifications
>
> drivers/vhost/net.c | 44 ++++++++++++++++++++------------------------
> 1 file changed, 20 insertions(+), 24 deletions(-)
>
> --
> MST
>
next prev parent reply other threads:[~2025-09-15 16:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 16:03 Michael S. Tsirkin
2025-09-15 16:03 ` [PATCH v3 1/3] vhost-net: unbreak busy polling Michael S. Tsirkin
2025-09-15 16:03 ` [PATCH v3 2/3] Revert "vhost/net: Defer TX queue re-enable until after sendmsg" Michael S. Tsirkin
2025-09-15 16:03 ` [PATCH v3 3/3] vhost-net: flush batched before enabling notifications Michael S. Tsirkin
2025-09-15 16:39 ` Jon Kohler [this message]
2025-09-16 11:55 ` [PATCH v3 0/3] vhost-net regression fixes Lei Yang
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