From: Stefano Brivio <sbrivio@redhat.com>
To: Laurent Vivier <lvivier@redhat.com>
Cc: passt-dev@passt.top, David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH] vhost_user: Reset vq enable flag in vu_cleanup()
Date: Tue, 08 Sep 2026 17:02:02 +0200 (CEST) [thread overview]
Message-ID: <20260908170201.33165fb6@elisabeth> (raw)
In-Reply-To: <20260903111600.3837753-1-lvivier@redhat.com>
On Thu, 3 Sep 2026 13:16:00 +0200
Laurent Vivier <lvivier@redhat.com> wrote:
> vu_cleanup() resets most virtqueue state (started, notification,
> file descriptors) but does not reset the enable flag. After a
> QEMU disconnect and reconnect, the stale enable flag causes
> vu_set_vring_enable_exec() to hit its early return check
> (vq->enable == enable).
>
> Reset vq->enable to false in vu_cleanup() alongside the other
> virtqueue state.
>
> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Applied.
--
Stefano
prev parent reply other threads:[~2026-09-08 15:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 11:16 Laurent Vivier
2026-09-08 15:02 ` Stefano Brivio [this message]
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