DPDK patches and discussions
 help / color / mirror / Atom feed
From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Ilya Maximets <i.maximets@samsung.com>
Cc: dev@dpdk.org, Dyasly Sergey <s.dyasly@samsung.com>
Subject: Re: [dpdk-dev] [PATCH RFC 2/4] vhost: make buf vector for scatter RX local.
Date: Fri, 19 Feb 2016 15:06:50 +0800	[thread overview]
Message-ID: <20160219070650.GS21426@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <1455863563-15751-3-git-send-email-i.maximets@samsung.com>

On Fri, Feb 19, 2016 at 09:32:41AM +0300, Ilya Maximets wrote:
> Array of buf_vector's is just an array for temporary storing information
> about available descriptors. It used only locally in virtio_dev_merge_rx()
> and there is no reason for that array to be shared.
> 
> Fix that by allocating local buf_vec inside virtio_dev_merge_rx().
> 
> Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
> ---
>  lib/librte_vhost/rte_virtio_net.h |  1 -
>  lib/librte_vhost/vhost_rxtx.c     | 45 ++++++++++++++++++++-------------------
>  2 files changed, 23 insertions(+), 23 deletions(-)
> 
> diff --git a/lib/librte_vhost/rte_virtio_net.h b/lib/librte_vhost/rte_virtio_net.h
> index 10dcb90..ae1e4fb 100644
> --- a/lib/librte_vhost/rte_virtio_net.h
> +++ b/lib/librte_vhost/rte_virtio_net.h
> @@ -91,7 +91,6 @@ struct vhost_virtqueue {
>  	int			kickfd;			/**< Currently unused as polling mode is enabled. */
>  	int			enabled;
>  	uint64_t		reserved[16];		/**< Reserve some spaces for future extension. */
> -	struct buf_vector	buf_vec[BUF_VECTOR_MAX];	/**< for scatter RX. */
>  } __rte_cache_aligned;

I like this kind of cleanup, however, it breaks ABI.

	--yliu

  reply	other threads:[~2016-02-19  7:06 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-19  6:32 [dpdk-dev] [PATCH RFC 0/4] Thread safe rte_vhost_enqueue_burst() Ilya Maximets
2016-02-19  6:32 ` [dpdk-dev] [PATCH RFC 1/4] vhost: use SMP barriers instead of compiler ones Ilya Maximets
2016-02-19  6:32 ` [dpdk-dev] [PATCH RFC 2/4] vhost: make buf vector for scatter RX local Ilya Maximets
2016-02-19  7:06   ` Yuanhan Liu [this message]
2016-02-19  7:30     ` Ilya Maximets
2016-02-19  8:10       ` Xie, Huawei
2016-04-05  5:47     ` [dpdk-dev] [RFC] vhost-user public struct refactor (was Re: [PATCH RFC 2/4] vhost: make buf vector for scatter RX) local Yuanhan Liu
2016-04-05  8:37       ` Thomas Monjalon
2016-04-05 14:06         ` Yuanhan Liu
2016-04-06  4:14       ` Flavio Leitner
2016-04-06  4:54         ` Yuanhan Liu
2016-02-19  6:32 ` [dpdk-dev] [PATCH RFC 3/4] vhost: avoid reordering of used->idx and last_used_idx updating Ilya Maximets
2016-02-19  6:32 ` [dpdk-dev] [PATCH RFC 4/4] doc: add note about rte_vhost_enqueue_burst thread safety Ilya Maximets
2016-02-19  7:10   ` Yuanhan Liu
2016-02-19  8:36     ` Xie, Huawei
2016-02-19  9:05       ` Ilya Maximets
2016-02-22  2:07         ` Xie, Huawei
2016-02-22 10:14           ` Thomas Monjalon
2016-02-23  5:56             ` Xie, Huawei
2016-02-24  5:06               ` Ilya Maximets
2016-02-25  5:12                 ` Xie, Huawei

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160219070650.GS21426@yliu-dev.sh.intel.com \
    --to=yuanhan.liu@linux.intel.com \
    --cc=dev@dpdk.org \
    --cc=i.maximets@samsung.com \
    --cc=s.dyasly@samsung.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).