From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 74ABA48CD5B; Thu, 13 Aug 2026 17:07:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786640867; cv=none; b=sUa4PrANtPv4Kp4fzZrmpKpYWUlHwuIBdK25QZBvAI3aD5LpgBBpKkD6UaM0dKnMoo9ik7P+YFmc+EaE5r9WPvs8BJmNGq3htmRJ4R+NM997Ainhdn1Iy/Ry8AEVgA8rZ/NnZZajC4RdrdfQTf6dYqI8OFuUTs+8PHRnUS3qpvU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786640867; c=relaxed/simple; bh=C9QwBrIM5q6k4hdVreq12DlUAvQG066COtPYSj38ois=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=r4oCSGXc3vS2N7RruDGtPK5Uf/mrBx8iDriR6u6jGw8IWdotYIB77FC3gttO8j55gNdpS9NGwvOgtm7tjR1zgEzVYLoXZCve8OcoUmTfxE5Dq9dYEMWvPdWeK27SZONlFeqMODVI8NOOpPLENkcVrRONXE0DjkMkQIQf0PgAY5M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l6/55D1p; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="l6/55D1p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D464A1F000E9; Thu, 13 Aug 2026 17:07:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786640866; bh=PKRAeK+XaoOSz8i+k2Leco4J4jAfWktnkTRSqbkuLKM=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=l6/55D1pW/RcwnNP2uahedYxgXA6SfshCx0z2EmsF/OjK7lXLkJYcVuMj32OgAtCk cyfxTg517dDPPDyBv37OY7J0Dg7H+yvt9uBSLsjahX6DCkiy861Q0UWxH3vrTipjOr z0VQcL+BxxHQ4uNYdk+pn+SRzhXykT+Rowb9iXDWol9mVH3MBnAPPT2f4iaP6WDJiY Veb4fyO4f+V0k0RVHbHdI+bEHuStwcwlDAgx/cZMRCWXHbKAVLXv0kzKb9POLlpUNB IpMV/QY2isVa888VI0683WHUztUubnxgHMP4QK3lVsvECdyF6rPzDM5jVY0yujlHZj /tF2Jc9UVdZsg== Date: Thu, 13 Aug 2026 07:07:45 -1000 Message-ID: From: Tejun Heo To: Hui Zhu Cc: Hui Zhu , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Kumar Kartikeya Dwivedi , Song Liu , Yonghong Song , Jiri Olsa , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , JP Kobryn , Andrew Morton , Shuah Khan , davem@davemloft.net, Jakub Kicinski , Jesper Dangaard Brouer , Stanislav Fomichev , KP Singh , Tao Chen , Mykyta Yatsenko , Leon Hwang , Anton Protopopov , Amery Hung , Tobias Klauser , Eyal Birger , Rong Tao , Hao Luo , Peter Zijlstra , Miguel Ojeda , Nathan Chancellor , Kees Cook , Jeff Xu , mkoutny@suse.com, Jan Hendrik Farr , Christian Brauner , Randy Dunlap , Brian Gerst , Masahiro Yamada , Willem de Bruijn , Jason Xing , Paul Chaignon , Lance Yang , Jiayuan Chen , Emil Tsalapatis , Ihor Solodrai , Barry Song , Geliang Tang , 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 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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