Commit 01e9c912 authored by Wei Liu's avatar Wei Liu Committed by Luis Henriques

xen-netfront: respect user provided max_queues

commit 32a84405 upstream.

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>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent 2ce7c9bd
...@@ -2405,8 +2405,11 @@ static int __init netif_init(void) ...@@ -2405,8 +2405,11 @@ static int __init netif_init(void)
pr_info("Initialising Xen virtual ethernet driver\n"); 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
xennet_max_queues = num_online_cpus(); * specified a value.
*/
if (xennet_max_queues == 0)
xennet_max_queues = num_online_cpus();
return xenbus_register_frontend(&netfront_driver); return xenbus_register_frontend(&netfront_driver);
} }
......
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