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** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Bionic)
Status: New => Incomplete
** Changed in: linux (Ubuntu Cosmic)
Status: New => Incomplete
** Changed in: linux (Ubuntu Disco)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1830587
Title:
Reduce NAPI weight in hns driver from 256 to 64
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
Incomplete
Status in linux source package in Cosmic:
Incomplete
Status in linux source package in Disco:
Incomplete
Status in linux source package in Eoan:
Incomplete
Bug description:
We have a warning[1] in dmesg shows hns register napi as weight 256
but not recommended. According to this commit[2] we shall use weight
64 as suggested.
To cherry-pick this makes hns driver has reasonable weight
commit acb1ce15a61154aa501891d67ebf79bc9ea26818
Author: Yonglong Liu <[email protected]>
Date: Thu Apr 4 16:46:43 2019 +0800
net: hns: Use NAPI_POLL_WEIGHT for hns driver
When the HNS driver loaded, always have an error print:
"netif_napi_add() called with weight 256"
This is because the kernel checks the NAPI polling weights
requested by drivers and it prints an error message if a driver
requests a weight bigger than 64.
So use NAPI_POLL_WEIGHT to fix it.
Signed-off-by: Yonglong Liu <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
[1] netif_napi_add() called with weight 256
[2]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=82dc3c63c692b1e1d59378ecee948ac88e034aad
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