On Wed, 9 Jun 2021 09:31:39 +0800 Yunsheng Lin wrote: > On 2021/6/8 20:53, Vladimir Oltean wrote: > > On Thu, Jun 03, 2021 at 11:35:48AM -0700, Jakub Kicinski wrote: > >> On Thu, 3 Jun 2021 09:47:57 +0800 Yunsheng Lin wrote: > >>> Patch 1: remove unnecessary seqcount operation. > >>> Patch 2: implement TCQ_F_CAN_BYPASS. > >>> Patch 3: remove qdisc->empty. > >>> > >>> Performance data for pktgen in queue_xmit mode + dummy netdev > >>> with pfifo_fast: > >>> > >>> threads unpatched patched delta > >>> 1 2.60Mpps 3.21Mpps +23% > >>> 2 3.84Mpps 5.56Mpps +44% > >>> 4 5.52Mpps 5.58Mpps +1% > >>> 8 2.77Mpps 2.76Mpps -0.3% > >>> 16 2.24Mpps 2.23Mpps +0.4% > >>> > >>> Performance for IP forward testing: 1.05Mpps increases to > >>> 1.16Mpps, about 10% improvement. > >> > >> Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx> > > > > Any idea why these patches are deferred in patchwork? > > https://patchwork.kernel.org/project/netdevbpf/cover/1622684880-39895-1-git-send-email-linyunsheng@xxxxxxxxxx/ > > I suppose it is a controversial change, which need more time > hanging to be reviewed and tested. That'd be my guess also. A review from area experts would be great, perhaps from Cong, John, Michal.. If the review doesn't come by Friday - I'd repost.