xen-netback: respect user provided max_queues

[firefly-linux-kernel-4.4.55.git] / drivers / net / xen-netback / netback.c

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index b588b1a08cd4b35c41eca79908ddebeda6b47540..abc1381264fc23a0ed9cf745b69adb19e23ad424 100644 (file)
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -2114,8 +2114,11 @@ static int __init netback_init(void)
        if (!xen_domain())
                return -ENODEV;
 
-       /* Allow as many queues as there are CPUs, by default */
-       xenvif_max_queues = num_online_cpus();
+       /* Allow as many queues as there are CPUs if user has not
+        * specified a value.
+        */
+       if (xenvif_max_queues == 0)
+               xenvif_max_queues = num_online_cpus();
 
        if (fatal_skb_slots < XEN_NETBK_LEGACY_SLOTS_MAX) {
                pr_info("fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n",