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| author | Wei Liu <wei.liu2@citrix.com> | 2015-09-10 11:18:58 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-10 10:11:48 -0700 |
| commit | 32a844056fd43dda647e1c3c6b9983bdfa04d17d (patch) | |
| tree | fdea592e172cb0958a58f0f6d909f3a043752119 /drivers/net/xen-netfront.c | |
| parent | 4c82ac3c37363e8c4ded6a5fe1ec5fa756b34df3 (diff) | |
| download | op-kernel-dev-32a844056fd43dda647e1c3c6b9983bdfa04d17d.zip op-kernel-dev-32a844056fd43dda647e1c3c6b9983bdfa04d17d.tar.gz | |
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: Wei Liu <wei.liu2@citrix.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Tested-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/xen-netfront.c')
| -rw-r--r-- | drivers/net/xen-netfront.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index e27e6d2..b9c637a 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -2132,8 +2132,11 @@ static int __init netif_init(void) pr_info("Initialising Xen virtual ethernet driver\n"); - /* Allow as many queues as there are CPUs, by default */ - xennet_max_queues = num_online_cpus(); + /* 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); } |
