[dpdk-stable] [PATCH] [18.11] net/mlx5: use open/read/close for ib stats query
Kevin Traynor
ktraynor at redhat.com
Tue Dec 8 13:52:53 CET 2020
On 08/12/2020 12:41, Slava Ovsiienko wrote:
> OK, so, should I resend v2 with:
> - no From: tag
> - add [ upstream commit 00437823cb80b8fa87dbe61becc07bd42ee98549 ]
>
Got it, thanks.
> With best regards, Slava
>
>> -----Original Message-----
>> From: Kevin Traynor <ktraynor at redhat.com>
>> Sent: Tuesday, December 8, 2020 14:07
>> To: Slava Ovsiienko <viacheslavo at nvidia.com>; stable at dpdk.org
>> Cc: mohsinshaikh at niometrics.com
>> Subject: Re: [PATCH] [18.11] net/mlx5: use open/read/close for ib stats query
>>
>> On 08/12/2020 11:34, Viacheslav Ovsiienko wrote:
>>> From: Mohsin Shaikh <mohsinshaikh at niometrics.com>
>>>
>>> From: Mohsin Shaikh <mohsinshaikh at niometrics.com>
>>>
>> Hi Slava, your patches are putting in duplicate From: tags ^ and missing
>> upstream commit ids. Please add upstream commit ids so I don't have to find it
>> for every patch. i.e.
>>
>> [ upstream commit 00437823cb80b8fa87dbe61becc07bd42ee98549 ]
>>
>>> fgets(3)/fread(3)/fscanf(3) etc. use mmap(2)/munmap(2) which leads to
>>> TLB shutdown interrupts to all DPDK app cores including RX cores.
>>> This can cause packet drops. Use read(2)/write(2) instead.
>>>
>>> Bugzilla ID: 440
>>> Cc: stable at dpdk.org
>>>
>> We can drop the stable tag as it's targetted to LTS branch anyway
>>
>>> Signed-off-by: Mohsin Shaikh <mohsinshaikh at niometrics.com>
>>> Reviewed-by: Alexander Kozyrev <akozyrev at mellanox.com>
>>> Acked-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>
>>> ---
>>> drivers/net/mlx5/mlx5_stats.c | 21 ++++++++++++++-------
>>> 1 file changed, 14 insertions(+), 7 deletions(-)
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