linux-kernel - Re: [PATCH] virtio/ringtest: fix up need

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Message-ID: <20171026103647.588ac89b.cohuck@redhat.com>
Date:   Thu, 26 Oct 2017 10:36:47 +0200
From:   Cornelia Huck <cohuck@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] virtio/ringtest: fix up need_event math

On Thu, 26 Oct 2017 04:48:01 +0300
"Michael S. Tsirkin" <mst@...hat.com> wrote:

> last kicked event index must be updated unconditionally:
> even if we don't need to kick, we do not want to re-check
> the same entry for events.
> 
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---
>  tools/virtio/ringtest/ring.c | 24 +++++++++++++++---------
>  1 file changed, 15 insertions(+), 9 deletions(-)

Acked-by: Cornelia Huck <cohuck@...hat.com>

I think virtio_ring_0_9 has the same issue?