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From: Tiwei Bie <tiwei.bie@intel.com>
To: Jiayu Hu <jiayu.hu@intel.com>
Cc: dev@dpdk.org, maxime.coquelin@redhat.com, yinan.wang@intel.com,
	stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] vhost: fix interrupt suppression for the split ring
Date: Wed, 20 Mar 2019 12:56:49 +0800	[thread overview]
Message-ID: <20190320045645.GB26570@dpdk-tbie.sh.intel.com> (raw)
Message-ID: <20190320045649.r0Ci5GaYDZALO51hpiZUCVYhcrT-qLth1nW6qZrb0BE@z> (raw)
In-Reply-To: <1552804712-9973-1-git-send-email-jiayu.hu@intel.com>

On Sun, Mar 17, 2019 at 02:38:32PM +0800, Jiayu Hu wrote:
> The VIRTIO_RING_F_EVENT_IDX feature of split ring might
> be broken, as the value of signalled_used is invalid
> after live migration, start up and virtio driver reload.
> This patch fixes it by using signalled_used_valid.
> 
> In addition, this patch makes the VIRTIO_RING_F_EVENT_IDX
> implementation of split ring match kernel backend to suppress
> more interrupts.
> 
> Fixes: e37ff954405a ("vhost: support virtqueue interrupt/notification suppression")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
> ---
> change in v2:
> - fix virtio-net driver reload
> 
>  lib/librte_vhost/vhost.h      | 12 ++++++++----
>  lib/librte_vhost/vhost_user.c |  2 ++
>  2 files changed, 10 insertions(+), 4 deletions(-)

Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>

  parent reply	other threads:[~2019-03-20  4:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-22  8:13 [dpdk-dev] [PATCH] " Jiayu Hu
2019-02-25  7:06 ` Tiwei Bie
2019-02-27  5:38   ` Hu, Jiayu
2019-02-27 10:55     ` Tiwei Bie
2019-03-17  6:38 ` [dpdk-dev] [PATCH v2] " Jiayu Hu
2019-03-17  6:38   ` Jiayu Hu
2019-03-20  0:45   ` Wang, Yinan
2019-03-20  0:45     ` Wang, Yinan
2019-03-20  4:56   ` Tiwei Bie [this message]
2019-03-20  4:56     ` Tiwei Bie
2019-03-20  7:36   ` Maxime Coquelin
2019-03-20  7:36     ` Maxime Coquelin

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