linux-kernel - Re: [PATCH v3 0/3] vhost-net regression fixes

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Message-ID: <CAPpAL=zNOt0ke-12k_Fo1mzFyfi48h3v__6pb3+ZS_7d=pwnZQ@mail.gmail.com>
Date: Tue, 16 Sep 2025 19:55:39 +0800
From: Lei Yang <leiyang@...hat.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, Jon Kohler <jon@...anix.com>
Subject: Re: [PATCH v3 0/3] vhost-net regression fixes

Tested this series of patches with virtio-net regression tests,
everything works fine. Please feel free to let me know if these
patches need me to do more tests.

Tested-by: Lei Yang <leiyang@...hat.com>

On Tue, Sep 16, 2025 at 12:39 AM Jon Kohler <jon@...anix.com> wrote:
>
>
>
> > On Sep 15, 2025, at 12:03 PM, Michael S. Tsirkin <mst@...hat.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@...anix.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
> >
>