netdev - Re: [PATCH net-next 0/3] Change BPF_TEST_RUN use the system page pool for live XDP frames

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87mss1d5ct.fsf@toke.dk>
Date: Thu, 15 Feb 2024 18:06:42 +0100
From: Toke Høiland-Jørgensen <toke@...hat.com>
To: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
 <pabeni@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann
 <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai
 Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu
 <song@...nel.org>, Yonghong Song <yonghong.song@...ux.dev>, John Fastabend
 <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Stanislav
 Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>, Jiri Olsa
 <jolsa@...nel.org>, Jesper Dangaard Brouer <hawk@...nel.org>,
 netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH net-next 0/3] Change BPF_TEST_RUN use the system page
 pool for live XDP frames

Alexander Lobakin <aleksander.lobakin@...el.com> writes:

> From: Toke Høiland-Jørgensen <toke@...hat.com>
> Date: Thu, 15 Feb 2024 14:26:29 +0100
>
>> Now that we have a system-wide page pool, we can use that for the live
>> frame mode of BPF_TEST_RUN (used by the XDP traffic generator), and
>> avoid the cost of creating a separate page pool instance for each
>> syscall invocation. See the individual patches for more details.
>
> Tested xdp-trafficgen on my development tree[0], no regressions from the
> net-next with my patch which increases live frames PP size.
>
> Reviewed-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> Tested-by: Alexander Lobakin <aleksander.lobakin@...el.com>

Great, thanks for taking it for a spin! :)

-Toke