From: Jakub Kicinski <kuba@kernel.org>
To: "Björn Töpel" <bjorn.topel@intel.com>
Cc: "Jesper Dangaard Brouer" <brouer@redhat.com>,
"Björn Töpel" <bjorn.topel@gmail.com>,
"Eric Dumazet" <eric.dumazet@gmail.com>,
ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org,
bpf@vger.kernel.org, magnus.karlsson@intel.com,
davem@davemloft.net, john.fastabend@gmail.com,
intel-wired-lan@lists.osuosl.org
Subject: Re: [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is full
Date: Tue, 8 Sep 2020 11:34:26 -0700 [thread overview]
Message-ID: <20200908113426.7af79b5b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <12536115-3dae-1efa-5c0d-34fc951fca48@intel.com>
On Tue, 8 Sep 2020 20:28:14 +0200 Björn Töpel wrote:
> On 2020-09-08 19:24, Jakub Kicinski wrote:
> >> I'll start playing around a bit, but again, I think this simple series
> >> should go in just to make AF_XDP single core usable*today*.
> > No objection from me.
>
> Thanks Jakub, but as you (probably) noticed in the other thread Maxim
> had some valid concerns. Let's drop this for now, and I'll get back
> after some experimentation/hacking.
Yeah, I sort of assumed you got the wake-up problem down :S
If it gets complicated it may not be worth pursuing this optimization.
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is full
Date: Tue, 8 Sep 2020 11:34:26 -0700 [thread overview]
Message-ID: <20200908113426.7af79b5b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <12536115-3dae-1efa-5c0d-34fc951fca48@intel.com>
On Tue, 8 Sep 2020 20:28:14 +0200 Bj?rn T?pel wrote:
> On 2020-09-08 19:24, Jakub Kicinski wrote:
> >> I'll start playing around a bit, but again, I think this simple series
> >> should go in just to make AF_XDP single core usable*today*.
> > No objection from me.
>
> Thanks Jakub, but as you (probably) noticed in the other thread Maxim
> had some valid concerns. Let's drop this for now, and I'll get back
> after some experimentation/hacking.
Yeah, I sort of assumed you got the wake-up problem down :S
If it gets complicated it may not be worth pursuing this optimization.
next prev parent reply other threads:[~2020-09-08 18:34 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-04 13:53 [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is full Björn Töpel
2020-09-04 13:53 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 13:53 ` [PATCH bpf-next 1/6] xsk: improve xdp_do_redirect() error codes Björn Töpel
2020-09-04 13:53 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 13:53 ` [PATCH bpf-next 2/6] xdp: introduce xdp_do_redirect_ext() function Björn Töpel
2020-09-04 13:53 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 13:53 ` [PATCH bpf-next 3/6] xsk: introduce xsk_do_redirect_rx_full() helper Björn Töpel
2020-09-04 13:53 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 15:11 ` Jesper Dangaard Brouer
2020-09-04 15:11 ` [Intel-wired-lan] " Jesper Dangaard Brouer
2020-09-04 15:39 ` Björn Töpel
2020-09-04 15:39 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-07 12:45 ` Jesper Dangaard Brouer
2020-09-07 12:45 ` [Intel-wired-lan] " Jesper Dangaard Brouer
2020-09-04 13:53 ` [PATCH bpf-next 4/6] i40e, xsk: finish napi loop if AF_XDP Rx queue is full Björn Töpel
2020-09-04 13:53 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 13:53 ` [PATCH bpf-next 5/6] ice, " Björn Töpel
2020-09-04 13:53 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 13:53 ` [PATCH bpf-next 6/6] ixgbe, " Björn Töpel
2020-09-04 13:53 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 15:35 ` Jesper Dangaard Brouer
2020-09-04 15:35 ` [Intel-wired-lan] " Jesper Dangaard Brouer
2020-09-04 15:54 ` Björn Töpel
2020-09-04 15:54 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 13:59 ` [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring " Björn Töpel
2020-09-04 13:59 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-08 10:32 ` Maxim Mikityanskiy
2020-09-08 10:32 ` [Intel-wired-lan] " Maxim Mikityanskiy
2020-09-08 11:37 ` Magnus Karlsson
2020-09-08 11:37 ` [Intel-wired-lan] " Magnus Karlsson
2020-09-08 12:21 ` Björn Töpel
2020-09-08 12:21 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-09 15:37 ` Jesper Dangaard Brouer
2020-09-09 15:37 ` [Intel-wired-lan] " Jesper Dangaard Brouer
2020-09-04 14:27 ` Jesper Dangaard Brouer
2020-09-04 14:27 ` [Intel-wired-lan] " Jesper Dangaard Brouer
2020-09-04 14:32 ` Björn Töpel
2020-09-04 14:32 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-04 23:58 ` Jakub Kicinski
2020-09-04 23:58 ` [Intel-wired-lan] " Jakub Kicinski
2020-09-07 13:37 ` Björn Töpel
2020-09-07 13:37 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-07 18:40 ` Jakub Kicinski
2020-09-07 18:40 ` [Intel-wired-lan] " Jakub Kicinski
2020-09-08 6:58 ` Björn Töpel
2020-09-08 6:58 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-08 17:24 ` Jakub Kicinski
2020-09-08 17:24 ` [Intel-wired-lan] " Jakub Kicinski
2020-09-08 18:28 ` Björn Töpel
2020-09-08 18:28 ` [Intel-wired-lan] " =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-09-08 18:34 ` Jakub Kicinski [this message]
2020-09-08 18:34 ` Jakub Kicinski
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