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From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Jesper Dangaard Brouer <hawk@kernel.org>,
	John Fastabend <john.fastabend@gmail.com>,
	Andrii Nakryiko <andrii@kernel.org>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
	Yonghong Song <yonghong.song@linux.dev>,
	KP Singh <kpsingh@kernel.org>,
	Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
	Jiri Olsa <jolsa@kernel.org>
Cc: Daniel Xu <dxu@dxuuu.xyz>,
	aleksander.lobakin@intel.com, netdev@vger.kernel.org,
	bpf@vger.kernel.org, Lorenzo Bianconi <lorenzo@kernel.org>
Subject: Re: [PATCH bpf-next 3/3] bpf: cpumap: Add gro support
Date: Mon, 02 Dec 2024 16:04:48 +0100	[thread overview]
Message-ID: <87o71ugm7j.fsf@toke.dk> (raw)
In-Reply-To: <20241130-cpumap-gro-v1-3-c1180b1b5758@kernel.org>

Lorenzo Bianconi <lorenzo@kernel.org> writes:

> Introduce GRO support to cpumap codebase moving the cpu_map_entry
> kthread to a NAPI-kthread pinned on the selected cpu.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>

Pretty neat with such a straight-forward conversion. Just one nit:

[...]

> +	rcu_read_lock();
[...]
> +	rcu_read_unlock();

napi_threaded_poll_loop() already does local_bh_disable/enable() around
the polling function, so these are redundant :)

-Toke


  reply	other threads:[~2024-12-02 15:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-29 23:10 [PATCH bpf-next 0/3] Introduce GRO support to cpumap codebase Lorenzo Bianconi
2024-11-29 23:10 ` [PATCH bpf-next 1/3] net: Add napi_init_for_gro utility routine Lorenzo Bianconi
2024-11-29 23:10 ` [PATCH bpf-next 2/3] net: add napi_threaded_poll to netdevice.h Lorenzo Bianconi
2024-11-29 23:11 ` [PATCH bpf-next 3/3] bpf: cpumap: Add gro support Lorenzo Bianconi
2024-12-02 15:04   ` Toke Høiland-Jørgensen [this message]
2024-12-02 22:58   ` Jakub Kicinski
2024-12-03  7:53     ` Lorenzo Bianconi

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