Re: [ovs-dev] [PATCH 04/13] netdev-dpdk: Use RCU for egress QoS.

2016-10-12 Thread Daniele Di Proietto
On 12/10/2016 13:04, "Ben Pfaff" wrote: >On Tue, Oct 04, 2016 at 06:22:15PM -0700, Daniele Di Proietto wrote: >> I think it's clearer to use RCU than to check for a pointer twice in the >> fast path (before and after taking the spinlock). Now the spinlock is >> integrated into

Re: [ovs-dev] [PATCH 04/13] netdev-dpdk: Use RCU for egress QoS.

2016-10-12 Thread Ben Pfaff
On Tue, Oct 04, 2016 at 06:22:15PM -0700, Daniele Di Proietto wrote: > I think it's clearer to use RCU than to check for a pointer twice in the > fast path (before and after taking the spinlock). Now the spinlock is > integrated into 'qos_conf'. > > 'qos_conf' objects cannot be modified, so,