From: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Date: Fri, 26 Jun 2020 13:14:01 +0200 > On Thu, Jun 25, 2020 at 06:34:43PM -0400, Nitesh Narayan Lal wrote: >> From: Alex Belits <abelits@xxxxxxxxxxx> >> >> With the existing implementation of store_rps_map(), packets are queued >> in the receive path on the backlog queues of other CPUs irrespective of >> whether they are isolated or not. This could add a latency overhead to >> any RT workload that is running on the same CPU. >> >> Ensure that store_rps_map() only uses available housekeeping CPUs for >> storing the rps_map. >> >> Signed-off-by: Alex Belits <abelits@xxxxxxxxxxx> >> Signed-off-by: Nitesh Narayan Lal <nitesh@xxxxxxxxxx> > > Dave, ACK if I route this? No problem: Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>