* [PATCH] net/virtio: fix remove the redundant computing
@ 2017-02-23 4:28 Zhiyong Yang
2017-02-23 6:20 ` Yuanhan Liu
2017-02-23 7:11 ` [PATCH v2] net/virtio: " Zhiyong Yang
0 siblings, 2 replies; 5+ messages in thread
From: Zhiyong Yang @ 2017-02-23 4:28 UTC (permalink / raw)
To: dev; +Cc: yuanhan.liu, maxime.coquelin, Zhiyong Yang
This is not a bug. The minor change aims to remove the redundant
computing and make it easier to understand the code.
Fixes:01ad44fd374f("net/virtio: split Rx/Tx queue")
Cc: yuanhan.liu@linux.intel.com
Cc: maxime.coquelin@redhat.com
Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
---
drivers/net/virtio/virtio_rxtx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index cab6e8f..14c88c0 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -791,9 +791,9 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
VIRTIO_DUMP_PACKET(rxm, rxm->data_len);
- rx_pkts[nb_rx++] = rxm;
+ rx_pkts[nb_rx] = rxm;
- rxvq->stats.bytes += rx_pkts[nb_rx - 1]->pkt_len;
+ rxvq->stats.bytes += rx_pkts[nb_rx++]->pkt_len;
virtio_update_packet_stats(&rxvq->stats, rxm);
}
--
2.7.4
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] net/virtio: fix remove the redundant computing
2017-02-23 4:28 [PATCH] net/virtio: fix remove the redundant computing Zhiyong Yang
@ 2017-02-23 6:20 ` Yuanhan Liu
2017-02-23 6:31 ` Yang, Zhiyong
2017-02-23 7:11 ` [PATCH v2] net/virtio: " Zhiyong Yang
1 sibling, 1 reply; 5+ messages in thread
From: Yuanhan Liu @ 2017-02-23 6:20 UTC (permalink / raw)
To: Zhiyong Yang; +Cc: dev, maxime.coquelin
On Thu, Feb 23, 2017 at 12:28:33PM +0800, Zhiyong Yang wrote:
> This is not a bug.
Then adding "fix" prefix and fixline here doesn't seem proper to me.
> The minor change aims to remove the redundant
> computing and make it easier to understand the code.
> Fixes:01ad44fd374f("net/virtio: split Rx/Tx queue")
> Cc: yuanhan.liu@linux.intel.com
> Cc: maxime.coquelin@redhat.com
>
> Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
> ---
> drivers/net/virtio/virtio_rxtx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
> index cab6e8f..14c88c0 100644
> --- a/drivers/net/virtio/virtio_rxtx.c
> +++ b/drivers/net/virtio/virtio_rxtx.c
> @@ -791,9 +791,9 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
>
> VIRTIO_DUMP_PACKET(rxm, rxm->data_len);
>
> - rx_pkts[nb_rx++] = rxm;
> + rx_pkts[nb_rx] = rxm;
>
> - rxvq->stats.bytes += rx_pkts[nb_rx - 1]->pkt_len;
> + rxvq->stats.bytes += rx_pkts[nb_rx++]->pkt_len;
Why not use "rxm->pkt_len" directly?
--yliu
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] net/virtio: fix remove the redundant computing
2017-02-23 6:20 ` Yuanhan Liu
@ 2017-02-23 6:31 ` Yang, Zhiyong
0 siblings, 0 replies; 5+ messages in thread
From: Yang, Zhiyong @ 2017-02-23 6:31 UTC (permalink / raw)
To: Yuanhan Liu; +Cc: dev, maxime.coquelin
Hi, yuanhan:
> -----Original Message-----
> From: Yuanhan Liu [mailto:yuanhan.liu@linux.intel.com]
> Sent: Thursday, February 23, 2017 2:21 PM
> To: Yang, Zhiyong <zhiyong.yang@intel.com>
> Cc: dev@dpdk.org; maxime.coquelin@redhat.com
> Subject: Re: [PATCH] net/virtio: fix remove the redundant computing
>
> On Thu, Feb 23, 2017 at 12:28:33PM +0800, Zhiyong Yang wrote:
> > This is not a bug.
>
> Then adding "fix" prefix and fixline here doesn't seem proper to me.
Ok. I will remove them.
>
> > The minor change aims to remove the redundant computing and make it
> > easier to understand the code.
> > Fixes:01ad44fd374f("net/virtio: split Rx/Tx queue")
> > Cc: yuanhan.liu@linux.intel.com
> > Cc: maxime.coquelin@redhat.com
> >
> > Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
> > ---
> > drivers/net/virtio/virtio_rxtx.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/virtio/virtio_rxtx.c
> > b/drivers/net/virtio/virtio_rxtx.c
> > index cab6e8f..14c88c0 100644
> > --- a/drivers/net/virtio/virtio_rxtx.c
> > +++ b/drivers/net/virtio/virtio_rxtx.c
> > @@ -791,9 +791,9 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf
> > **rx_pkts, uint16_t nb_pkts)
> >
> > VIRTIO_DUMP_PACKET(rxm, rxm->data_len);
> >
> > - rx_pkts[nb_rx++] = rxm;
> > + rx_pkts[nb_rx] = rxm;
> >
> > - rxvq->stats.bytes += rx_pkts[nb_rx - 1]->pkt_len;
> > + rxvq->stats.bytes += rx_pkts[nb_rx++]->pkt_len;
>
> Why not use "rxm->pkt_len" directly?
Good advice and it's better.
>
> --yliu
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v2] net/virtio: remove the redundant computing
2017-02-23 4:28 [PATCH] net/virtio: fix remove the redundant computing Zhiyong Yang
2017-02-23 6:20 ` Yuanhan Liu
@ 2017-02-23 7:11 ` Zhiyong Yang
2017-02-23 7:34 ` Yuanhan Liu
1 sibling, 1 reply; 5+ messages in thread
From: Zhiyong Yang @ 2017-02-23 7:11 UTC (permalink / raw)
To: dev; +Cc: yuanhan.liu, maxime.coquelin, Zhiyong Yang
The minor change aims to remove the redundant computing and make
it easier to understand the code.
Cc: yuanhan.liu@linux.intel.com
Cc: maxime.coquelin@redhat.com
Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
---
v2 changes:
remove the prefix "fix" and fixline according to yuanhan's advice.
drivers/net/virtio/virtio_rxtx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index cab6e8f..fcd9e93 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -793,7 +793,7 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
rx_pkts[nb_rx++] = rxm;
- rxvq->stats.bytes += rx_pkts[nb_rx - 1]->pkt_len;
+ rxvq->stats.bytes += rxm->pkt_len;
virtio_update_packet_stats(&rxvq->stats, rxm);
}
--
2.7.4
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v2] net/virtio: remove the redundant computing
2017-02-23 7:11 ` [PATCH v2] net/virtio: " Zhiyong Yang
@ 2017-02-23 7:34 ` Yuanhan Liu
0 siblings, 0 replies; 5+ messages in thread
From: Yuanhan Liu @ 2017-02-23 7:34 UTC (permalink / raw)
To: Zhiyong Yang; +Cc: dev, maxime.coquelin
On Thu, Feb 23, 2017 at 03:11:42PM +0800, Zhiyong Yang wrote:
> The minor change aims to remove the redundant computing and make
> it easier to understand the code.
>
> Cc: yuanhan.liu@linux.intel.com
> Cc: maxime.coquelin@redhat.com
>
> Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
Applied to dpdk-next-virtio.
Thanks.
--yliu
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2017-02-23 7:32 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2017-02-23 4:28 [PATCH] net/virtio: fix remove the redundant computing Zhiyong Yang
2017-02-23 6:20 ` Yuanhan Liu
2017-02-23 6:31 ` Yang, Zhiyong
2017-02-23 7:11 ` [PATCH v2] net/virtio: " Zhiyong Yang
2017-02-23 7:34 ` Yuanhan Liu
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