| Message ID | 20190329194850.79377-1-alice.michael@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Jeff Kirsher |
| Headers | show |
| Series | iavf: Limiting RSS queues to CPUs | expand |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On > Behalf Of Alice Michael > Sent: Friday, March 29, 2019 12:49 PM > To: Michael, Alice <alice.michael@intel.com>; intel-wired- > lan@lists.osuosl.org > Cc: Loktionov, Aleksandr <aleksandr.loktionov@intel.com> > Subject: [Intel-wired-lan] [PATCH] iavf: Limiting RSS queues to CPUs > > From: Aleksandr Loktionov <aleksandr.loktionov@intel.com> > > Limiting RSS queues number to online CPUs number in order to avoid issues > with creating misconfigured RSS queues. > > Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> > --- > drivers/net/ethernet/intel/iavf/iavf_virtchnl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index e64751da0921..357c74bc3265 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -416,7 +416,7 @@ int iavf_request_queues(struct iavf_adapter *adapter, int num) return -EBUSY; } - vfres.num_queue_pairs = num; + vfres.num_queue_pairs = min_t(int, num, num_online_cpus()); adapter->current_op = VIRTCHNL_OP_REQUEST_QUEUES; adapter->flags |= IAVF_FLAG_REINIT_ITR_NEEDED;