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From: Tejun Heo <tj@kernel.org>
To: Hui Zhu <hui.zhu@linux.dev>
Cc: Hui Zhu <zhuhui@kylinos.cn>, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	John Fastabend <john.fastabend@gmail.com>,
	Andrii Nakryiko <andrii@kernel.org>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Eduard Zingerman <eddyz87@gmail.com>,
	Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Song Liu <song@kernel.org>,
	Yonghong Song <yonghong.song@linux.dev>,
	Jiri Olsa <jolsa@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@kernel.org>,
	Roman Gushchin <roman.gushchin@linux.dev>,
	Shakeel Butt <shakeel.butt@linux.dev>,
	Muchun Song <muchun.song@linux.dev>,
	JP Kobryn <inwardvessel@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Shuah Khan <shuah@kernel.org>,
	davem@davemloft.net, Jakub Kicinski <kuba@kernel.org>,
	Jesper Dangaard Brouer <hawk@kernel.org>,
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	Mykyta Yatsenko <yatsenko@meta.com>,
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	Amery Hung <ameryhung@gmail.com>,
	Tobias Klauser <tklauser@distanz.ch>,
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	Peter Zijlstra <peterz@infradead.org>,
	Miguel Ojeda <ojeda@kernel.org>,
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	mkoutny@suse.com, Jan Hendrik Farr <kernel@jfarr.cc>,
	Christian Brauner <brauner@kernel.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Brian Gerst <brgerst@gmail.com>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Willem de Bruijn <willemb@google.com>,
	Jason Xing <kerneljasonxing@gmail.com>,
	Paul Chaignon <paul.chaignon@gmail.com>,
	Lance Yang <lance.yang@linux.dev>,
	Jiayuan Chen <jiayuan.chen@linux.dev>,
	Emil Tsalapatis <emil@etsalapatis.com>,
	Ihor Solodrai <ihor.solodrai@linux.dev>,
	Barry Song <baohua@kernel.org>, Geliang Tang <geliang@kernel.org>,
	linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
	cgroups@vger.kernel.org, linux-mm@kvack.org,
	netdev@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH bpf-next 2/4] bpf: add bpf_thread_wq kthread-backed workqueue with cgroup placement
Date: Thu, 13 Aug 2026 07:07:45 -1000	[thread overview]
Message-ID: <acf9c9a19bbac2dd116869a181bb1dfe@kernel.org> (raw)
In-Reply-To: <cfb06f2626062fa60efbbd9d34089819b1a34522.1786086076.git.zhuhui@kylinos.cn>

Hello, Hui.

On Fri, Aug 07, 2026 at 03:01:50PM +0800, Hui Zhu wrote:
> Introduce bpf_thread_wq, a new BPF embedded map field similar to
> bpf_wq but backed by a dedicated kthread_worker instead of a system
> workqueue. The worker kthread can be attached to a specific cgroup at
> init time so BPF-deferred callbacks run under the resource limits of
> the target cgroup.

I find the name bpf_thread_wq unnecessarily confusing. The kernel
counterpart is kthread_worker, not workqueue. Maybe name it
bpf_kthread_worker?

Thanks.

-- 
tejun


  parent reply	other threads:[~2026-08-13 17:07 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-07  7:01 [PATCH bpf-next 0/4] bpf: BPF-driven proactive memcg reclaim Hui Zhu
2026-08-07  7:01 ` [PATCH bpf-next 1/4] mm/bpf: Add bpf_try_to_free_mem_cgroup_pages kfunc Hui Zhu
2026-08-07  7:23   ` sashiko-bot
2026-08-13 18:43   ` Shakeel Butt
2026-08-07  7:01 ` [PATCH bpf-next 2/4] bpf: add bpf_thread_wq kthread-backed workqueue with cgroup placement Hui Zhu
2026-08-07  7:42   ` sashiko-bot
2026-08-11 21:52   ` Mykyta Yatsenko
2026-08-13  3:26   ` Kumar Kartikeya Dwivedi
2026-08-13  8:48     ` Hui Zhu
2026-08-13 17:07   ` Tejun Heo [this message]
2026-08-07  7:04 ` [PATCH bpf-next 3/4] selftests/bpf: add thread_wq cgroup test Hui Zhu
2026-08-07  7:19   ` sashiko-bot
2026-08-07  7:04 ` [PATCH bpf-next 4/4] selftests/bpf: add memcg async reclaim test for bpf_wq/bpf_thread_wq Hui Zhu
2026-08-07  7:30   ` sashiko-bot

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