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From: Tiwei Bie <tiwei.bie@intel.com>
To: Jens Freimann <jfreimann@redhat.com>
Cc: dev@dpdk.org, yliu@fridaylinux.org, maxime.coquelin@redhat.com,
	mst@redhat.com
Subject: Re: [dpdk-dev] [PATCH v3 03/21] net/virtio: add virtio 1.1 defines
Date: Thu, 5 Apr 2018 22:27:21 +0800	[thread overview]
Message-ID: <20180405142721.polm2pf4elze7fmh@debian> (raw)
In-Reply-To: <20180405101031.26468-4-jfreimann@redhat.com>

On Thu, Apr 05, 2018 at 12:10:13PM +0200, Jens Freimann wrote:
> Signed-off-by: Jens Freimann <jfreimann@redhat.com>
> ---
>  drivers/net/virtio/virtio_ring.h | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
> index 1bd7ba98e..54a11d2a9 100644
> --- a/drivers/net/virtio/virtio_ring.h
> +++ b/drivers/net/virtio/virtio_ring.h
> @@ -16,7 +16,10 @@
>  #define VRING_DESC_F_WRITE      2
>  /* This means the buffer contains a list of buffer descriptors. */
>  #define VRING_DESC_F_INDIRECT   4
> -

Why remove this empty line?

VRING_DESC_F_* and VRING_USED_F_NO_NOTIFY/VRING_AVAIL_F_NO_INTERRUPT
are unrelated. I think we still need this to make the code more
readable.

> +/* This flag means the descriptor was made available by the driver */
> +#define VRING_DESC_F_AVAIL	(1ULL << 7)
> +/* This flag means the descriptor was used by the device */
> +#define VRING_DESC_F_USED	(1ULL << 15)
>  /* The Host uses this in used->flags to advise the Guest: don't kick me
>   * when you add a buffer.  It's unreliable, so it's simply an
>   * optimization.  Guest will still kick if it's out of buffers. */
> -- 
> 2.14.3
> 

  parent reply	other threads:[~2018-04-05 14:29 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-05 10:10 [dpdk-dev] [PATCH v3 00/21] implement packed virtqueues Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 01/21] net/virtio: by default disable " Jens Freimann
2018-04-05 13:42   ` Maxime Coquelin
2018-04-05 14:19     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 02/21] net/virtio: vring init for packed queues Jens Freimann
2018-04-05 14:15   ` Maxime Coquelin
2018-04-05 14:24     ` Jens Freimann
2018-04-05 14:22   ` Tiwei Bie
2018-04-05 15:16     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 03/21] net/virtio: add virtio 1.1 defines Jens Freimann
2018-04-05 14:16   ` Maxime Coquelin
2018-04-05 14:27   ` Tiwei Bie [this message]
2018-04-05 14:33     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 04/21] net/virtio: add packed virtqueue helpers Jens Freimann
2018-04-05 14:27   ` Maxime Coquelin
2018-04-05 14:34     ` Jens Freimann
2018-04-05 14:40     ` Tiwei Bie
2018-04-05 15:14       ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 05/21] net/virtio: dump packed virtqueue data Jens Freimann
2018-04-05 14:29   ` Maxime Coquelin
2018-04-08  3:53   ` Tiwei Bie
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 06/21] net/virtio-user: add option to use packed queues Jens Freimann
2018-04-05 14:35   ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 07/21] net/virtio: implement transmit path for " Jens Freimann
2018-04-06  7:56   ` Maxime Coquelin
2018-04-06  8:10     ` Jens Freimann
2018-04-08  4:51   ` Tiwei Bie
2018-04-09  6:20     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 08/21] net/virtio: implement receive " Jens Freimann
2018-04-06  7:51   ` Maxime Coquelin
2018-04-06  8:12     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 09/21] vhost: disable packed virtqueues by default Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 10/21] vhost: turn of indirect descriptors for packed virtqueues Jens Freimann
2018-04-06  8:12   ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 11/21] vhost: add virtio 1.1 defines Jens Freimann
2018-04-06  8:15   ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 12/21] vhost: vring address setup for packed queues Jens Freimann
2018-04-06  8:19   ` Maxime Coquelin
2018-04-06  8:23     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 13/21] vhost: add helpers for packed virtqueues Jens Freimann
2018-04-06  9:20   ` Maxime Coquelin
2018-04-06  9:21     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 14/21] vhost: dequeue for packed queues Jens Freimann
2018-04-06  9:30   ` Maxime Coquelin
2018-04-06 10:07     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 15/21] vhost: packed queue enqueue path Jens Freimann
2018-04-06  9:36   ` Maxime Coquelin
2018-04-06 12:17     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 16/21] vhost: enable packed virtqueues Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 17/21] net/virtio: disable ctrl virtqueue for packed rings Jens Freimann
2018-04-06  9:38   ` Maxime Coquelin
2018-04-06  9:43     ` Jens Freimann
2018-04-06  9:48       ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 18/21] net/virtio: add support for mergeable buffers with packed virtqueues Jens Freimann
2018-04-06 10:05   ` Maxime Coquelin
2018-04-08  6:02   ` Tiwei Bie
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 19/21] vhost: support mergeable rx buffers with packed queues Jens Freimann
2018-04-06 13:04   ` Maxime Coquelin
2018-04-06 14:07     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 20/21] net/virtio: add support for event suppression Jens Freimann
2018-04-06 13:50   ` Maxime Coquelin
2018-04-06 14:09     ` Jens Freimann
2018-04-08  6:07   ` Tiwei Bie
2018-04-09  6:09     ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 21/21] vhost: add event suppression for packed queues Jens Freimann

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