It is likely they released early because they want additional testing time for the SMP diffs they are about to merge. With 6.0 we may be seeing both fully SMP r

It is likely they released early because they want additional testing time for the SMP diffs they are about to merge. With 6.0 we may be seeing both fully SMP routing and PF support. As of now, routing and PF are fully giantlocked in the kernel, and can only run on one core. This should greatly speed up routing and filtering performance.