redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

net/ena: fix queues number calculation 

The ENA driver tries to open a queue per vCPU.
To determine how many vCPUs the instance have it uses num_possible_cpus()
while it should have use num_online_cpus() instead.

Signed-off-by: Netanel Belgazal <netanel@annapurnalabs.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Netanel Belgazal 2017-02-09 15:21:28 +02:00 committed by David S. Miller
parent fdeea0ad87
commit 6a1ce2fb67
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/amazon/ena/ena_netdev.c
View File

@ -2658,7 +2658,7 @@ static int ena_calc_io_queue_num(struct pci_dev *pdev,
io_sq_num = get_feat_ctx->max_queues.max_sq_num;
}
io_queue_num = min_t(int, num_possible_cpus(), ENA_MAX_NUM_IO_QUEUES);
io_queue_num = min_t(int, num_online_cpus(), ENA_MAX_NUM_IO_QUEUES);
io_queue_num = min_t(int, io_queue_num, io_sq_num);
io_queue_num = min_t(int, io_queue_num,
get_feat_ctx->max_queues.max_cq_num);