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Commit 32a84405 authored by Wei Liu's avatar Wei Liu Committed by David S. Miller
Browse files

xen-netfront: respect user provided max_queues 



Originally that parameter was always reset to num_online_cpus during
module initialisation, which renders it useless.

The fix is to only set max_queues to num_online_cpus when user has not
provided a value.

Signed-off-by: default avatarWei Liu <wei.liu2@citrix.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
Tested-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4c82ac3c

drivers/net/xen-netfront.c

+5 −2
Original line number Diff line number Diff line
@@ -2132,7 +2132,10 @@ static int __init netif_init(void) 


	pr_info("Initialising Xen virtual ethernet driver\n");



	/* Allow as many queues as there are CPUs, by default */

	/* Allow as many queues as there are CPUs if user has not

	 * specified a value.

	 */

	if (xennet_max_queues == 0)

		xennet_max_queues = num_online_cpus();



	return xenbus_register_frontend(&netfront_driver);