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Groups > linux.kernel > #1526188
| From | Netanel Belgazal <netanel@annapurnalabs.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH net 02/18] net/ena: fix queues number calculation |
| Date | 2016-11-20 09:50 +0100 |
| Message-ID | <sFvZ1-dB-27@gated-at.bofh.it> (permalink) |
| References | <sFvZ0-dB-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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> --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 33a760e..8815217 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -2667,7 +2667,7 @@ 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); -- 1.9.1
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[PATCH net 02/18] net/ena: fix queues number calculation Netanel Belgazal <netanel@annapurnalabs.com> - 2016-11-20 09:50 +0100
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