From: Netanel Belgazal Date: Thu, 9 Feb 2017 13:21:28 +0000 (+0200) Subject: net/ena: fix queues number calculation X-Git-Tag: v4.1.12-93~2^2~165 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a9ddc438405af20f42f9bdd12fb3ec75f732d1b0;p=users%2Fjedix%2Flinux-maple.git net/ena: fix queues number calculation Orabug: 25535122 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 Signed-off-by: David S. Miller (cherry picked from commit 6a1ce2fb67161f249b372a87d1d9899d8b087c8e) Signed-off-by: Brian Maly --- diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 09136f2bd66a5..2e9c4d656be15 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);