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Commit 6a1ce2fb authored by Netanel Belgazal's avatar Netanel Belgazal Committed by David S. Miller
Browse files

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: default avatarNetanel Belgazal <netanel@annapurnalabs.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fdeea0ad

drivers/net/ethernet/amazon/ena/ena_netdev.c

+1 −1
Original line number Diff line number Diff line
@@ -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);