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Date: Mon, 21 Sep 2020 18:30:45 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Haiyang Zhang <haiyangz@...rosoft.com>, "David S. Miller" <davem@...emloft.net> Subject: [PATCH 5.4 06/72] hv_netvsc: Remove "unlikely" from netvsc_select_queue From: Haiyang Zhang <haiyangz@...rosoft.com> commit 4d820543c54c47a2bd3c95ddbf52f83c89a219a0 upstream. When using vf_ops->ndo_select_queue, the number of queues of VF is usually bigger than the synthetic NIC. This condition may happen often. Remove "unlikely" from the comparison of ndev->real_num_tx_queues. Fixes: b3bf5666a510 ("hv_netvsc: defer queue selection to VF") Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/net/hyperv/netvsc_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -366,7 +366,7 @@ static u16 netvsc_select_queue(struct ne } rcu_read_unlock(); - while (unlikely(txq >= ndev->real_num_tx_queues)) + while (txq >= ndev->real_num_tx_queues) txq -= ndev->real_num_tx_queues; return txq;
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