* [dpdk-stable] [PATCH] net/qede: only access sw rx ring index for debug
@ 2019-09-27 11:28 David Marchand
2019-10-03 14:39 ` [dpdk-stable] [dpdk-dev] " Jerin Jacob
0 siblings, 1 reply; 4+ messages in thread
From: David Marchand @ 2019-09-27 11:28 UTC (permalink / raw)
To: dev; +Cc: stable, Rasesh Mody, Shahed Shaikh
Caught by clang, this idx value is only used for a debug message when
the mbufs allocation fails.
No need to use idx as a temporary storage.
Fixes: 8f2312474529 ("net/qede: fix performance bottleneck in Rx path")
Cc: stable@dpdk.org
Signed-off-by: David Marchand <david.marchand@redhat.com>
---
drivers/net/qede/qede_rxtx.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
index c38cbb9..1fbeba2 100644
--- a/drivers/net/qede/qede_rxtx.c
+++ b/drivers/net/qede/qede_rxtx.c
@@ -46,8 +46,6 @@ static inline int qede_alloc_rx_bulk_mbufs(struct qede_rx_queue *rxq, int count)
int i, ret = 0;
uint16_t idx;
- idx = rxq->sw_rx_prod & NUM_RX_BDS(rxq);
-
if (count > QEDE_MAX_BULK_ALLOC_COUNT)
count = QEDE_MAX_BULK_ALLOC_COUNT;
@@ -56,7 +54,9 @@ static inline int qede_alloc_rx_bulk_mbufs(struct qede_rx_queue *rxq, int count)
PMD_RX_LOG(ERR, rxq,
"Failed to allocate %d rx buffers "
"sw_rx_prod %u sw_rx_cons %u mp entries %u free %u",
- count, idx, rxq->sw_rx_cons & NUM_RX_BDS(rxq),
+ count,
+ rxq->sw_rx_prod & NUM_RX_BDS(rxq),
+ rxq->sw_rx_cons & NUM_RX_BDS(rxq),
rte_mempool_avail_count(rxq->mb_pool),
rte_mempool_in_use_count(rxq->mb_pool));
return -ENOMEM;
--
1.8.3.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-stable] [dpdk-dev] [PATCH] net/qede: only access sw rx ring index for debug
2019-09-27 11:28 [dpdk-stable] [PATCH] net/qede: only access sw rx ring index for debug David Marchand
@ 2019-10-03 14:39 ` Jerin Jacob
2019-10-03 18:30 ` Rasesh Mody
0 siblings, 1 reply; 4+ messages in thread
From: Jerin Jacob @ 2019-10-03 14:39 UTC (permalink / raw)
To: David Marchand; +Cc: dpdk-dev, stable, Rasesh Mody, Shahed Shaikh
On Fri, Sep 27, 2019 at 4:59 PM David Marchand
<david.marchand@redhat.com> wrote:
>
> Caught by clang, this idx value is only used for a debug message when
> the mbufs allocation fails.
> No need to use idx as a temporary storage.
>
> Fixes: 8f2312474529 ("net/qede: fix performance bottleneck in Rx path")
> Cc: stable@dpdk.org
Rasesh, Shahed,
Please review this patch.
>
> Signed-off-by: David Marchand <david.marchand@redhat.com>
> ---
> drivers/net/qede/qede_rxtx.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
> index c38cbb9..1fbeba2 100644
> --- a/drivers/net/qede/qede_rxtx.c
> +++ b/drivers/net/qede/qede_rxtx.c
> @@ -46,8 +46,6 @@ static inline int qede_alloc_rx_bulk_mbufs(struct qede_rx_queue *rxq, int count)
> int i, ret = 0;
> uint16_t idx;
>
> - idx = rxq->sw_rx_prod & NUM_RX_BDS(rxq);
> -
> if (count > QEDE_MAX_BULK_ALLOC_COUNT)
> count = QEDE_MAX_BULK_ALLOC_COUNT;
>
> @@ -56,7 +54,9 @@ static inline int qede_alloc_rx_bulk_mbufs(struct qede_rx_queue *rxq, int count)
> PMD_RX_LOG(ERR, rxq,
> "Failed to allocate %d rx buffers "
> "sw_rx_prod %u sw_rx_cons %u mp entries %u free %u",
> - count, idx, rxq->sw_rx_cons & NUM_RX_BDS(rxq),
> + count,
> + rxq->sw_rx_prod & NUM_RX_BDS(rxq),
> + rxq->sw_rx_cons & NUM_RX_BDS(rxq),
> rte_mempool_avail_count(rxq->mb_pool),
> rte_mempool_in_use_count(rxq->mb_pool));
> return -ENOMEM;
> --
> 1.8.3.1
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-stable] [dpdk-dev] [PATCH] net/qede: only access sw rx ring index for debug
2019-10-03 14:39 ` [dpdk-stable] [dpdk-dev] " Jerin Jacob
@ 2019-10-03 18:30 ` Rasesh Mody
0 siblings, 0 replies; 4+ messages in thread
From: Rasesh Mody @ 2019-10-03 18:30 UTC (permalink / raw)
To: Jerin Jacob, David Marchand; +Cc: dpdk-dev, stable, Shahed Shaikh
>From: dev <dev-bounces@dpdk.org> On Behalf Of Jerin Jacob
>Sent: Thursday, October 03, 2019 7:40 AM
>
>On Fri, Sep 27, 2019 at 4:59 PM David Marchand
><david.marchand@redhat.com> wrote:
>>
>> Caught by clang, this idx value is only used for a debug message when
>> the mbufs allocation fails.
>> No need to use idx as a temporary storage.
>>
>> Fixes: 8f2312474529 ("net/qede: fix performance bottleneck in Rx
>> path")
>> Cc: stable@dpdk.org
>
>Rasesh, Shahed,
>
>Please review this patch.
Acked.
Thanks!
-Rasesh
>
>>
>> Signed-off-by: David Marchand <david.marchand@redhat.com>
>> ---
>> drivers/net/qede/qede_rxtx.c | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/net/qede/qede_rxtx.c
>> b/drivers/net/qede/qede_rxtx.c index c38cbb9..1fbeba2 100644
>> --- a/drivers/net/qede/qede_rxtx.c
>> +++ b/drivers/net/qede/qede_rxtx.c
>> @@ -46,8 +46,6 @@ static inline int qede_alloc_rx_bulk_mbufs(struct
>qede_rx_queue *rxq, int count)
>> int i, ret = 0;
>> uint16_t idx;
>>
>> - idx = rxq->sw_rx_prod & NUM_RX_BDS(rxq);
>> -
>> if (count > QEDE_MAX_BULK_ALLOC_COUNT)
>> count = QEDE_MAX_BULK_ALLOC_COUNT;
>>
>> @@ -56,7 +54,9 @@ static inline int qede_alloc_rx_bulk_mbufs(struct
>qede_rx_queue *rxq, int count)
>> PMD_RX_LOG(ERR, rxq,
>> "Failed to allocate %d rx buffers "
>> "sw_rx_prod %u sw_rx_cons %u mp entries %u free %u",
>> - count, idx, rxq->sw_rx_cons & NUM_RX_BDS(rxq),
>> + count,
>> + rxq->sw_rx_prod & NUM_RX_BDS(rxq),
>> + rxq->sw_rx_cons & NUM_RX_BDS(rxq),
>> rte_mempool_avail_count(rxq->mb_pool),
>> rte_mempool_in_use_count(rxq->mb_pool));
>> return -ENOMEM;
>> --
>> 1.8.3.1
>>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-stable] [dpdk-dev] [PATCH] net/qede: only access sw rx ring index for debug
2019-10-03 18:29 [dpdk-stable] " Rasesh Mody
@ 2019-10-04 8:49 ` Jerin Jacob
0 siblings, 0 replies; 4+ messages in thread
From: Jerin Jacob @ 2019-10-04 8:49 UTC (permalink / raw)
To: Rasesh Mody; +Cc: David Marchand, dev, stable, Shahed Shaikh, Ferruh Yigit
On Thu, Oct 3, 2019 at 11:59 PM Rasesh Mody <rmody@marvell.com> wrote:
>
> >From: David Marchand <david.marchand@redhat.com>
> >Sent: Friday, September 27, 2019 4:29 AM
> >
> >----------------------------------------------------------------------
> >Caught by clang, this idx value is only used for a debug message when the
> >mbufs allocation fails.
> >No need to use idx as a temporary storage.
> >
> >Fixes: 8f2312474529 ("net/qede: fix performance bottleneck in Rx path")
> >Cc: stable@dpdk.org
> >
> >Signed-off-by: David Marchand <david.marchand@redhat.com>
> >---
>
> Acked-by: Rasesh Mody <rmody@marvell.com>
Changed the subject to "net/qede: only access SW Rx ring index for
debug" to fix check-git-log.sh warning.
Applied to dpdk-next-net-mrvl/master. Thanks
> > drivers/net/qede/qede_rxtx.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> >diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
> >index c38cbb9..1fbeba2 100644
> >--- a/drivers/net/qede/qede_rxtx.c
> >+++ b/drivers/net/qede/qede_rxtx.c
> >@@ -46,8 +46,6 @@ static inline int qede_alloc_rx_bulk_mbufs(struct
> >qede_rx_queue *rxq, int count)
> > int i, ret = 0;
> > uint16_t idx;
> >
> >- idx = rxq->sw_rx_prod & NUM_RX_BDS(rxq);
> >-
> > if (count > QEDE_MAX_BULK_ALLOC_COUNT)
> > count = QEDE_MAX_BULK_ALLOC_COUNT;
> >
> >@@ -56,7 +54,9 @@ static inline int qede_alloc_rx_bulk_mbufs(struct
> >qede_rx_queue *rxq, int count)
> > PMD_RX_LOG(ERR, rxq,
> > "Failed to allocate %d rx buffers "
> > "sw_rx_prod %u sw_rx_cons %u mp entries %u free
> >%u",
> >- count, idx, rxq->sw_rx_cons & NUM_RX_BDS(rxq),
> >+ count,
> >+ rxq->sw_rx_prod & NUM_RX_BDS(rxq),
> >+ rxq->sw_rx_cons & NUM_RX_BDS(rxq),
> > rte_mempool_avail_count(rxq->mb_pool),
> > rte_mempool_in_use_count(rxq->mb_pool));
> > return -ENOMEM;
> >--
> >1.8.3.1
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-10-04 8:49 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2019-09-27 11:28 [dpdk-stable] [PATCH] net/qede: only access sw rx ring index for debug David Marchand
2019-10-03 14:39 ` [dpdk-stable] [dpdk-dev] " Jerin Jacob
2019-10-03 18:30 ` Rasesh Mody
2019-10-03 18:29 [dpdk-stable] " Rasesh Mody
2019-10-04 8:49 ` [dpdk-stable] [dpdk-dev] " Jerin Jacob
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