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From: Tejun Heo <tj@kernel.org>
To: Qiurong Fang <fangqiurong@kylinos.cn>
Cc: David Vernet <void@manifault.com>,
	Andrea Righi <arighi@nvidia.com>,
	Changwoo Min <changwoo@igalia.com>,
	sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org,
	bpf@vger.kernel.org, Emil Tsalapatis <emil@etsalapatis.com>
Subject: Re: [PATCH] sched_ext: Gate cid kfuncs behind the SCX struct_ops check
Date: Wed, 12 Aug 2026 09:20:12 -1000	[thread overview]
Message-ID: <bbb4893ffbdcb6996d4ed5e29e72ce1d@kernel.org> (raw)
In-Reply-To: <20260812061116.2691443-1-fangqiurong@kylinos.cn>

Hello,

On Wed, Aug 12, 2026 at 02:11:16PM +0800, Qiurong Fang wrote:
> scx_bpf_cid_to_cpu(), scx_bpf_cpu_to_cid() and scx_bpf_cid_topo() live in
> the scx_kfunc_ids_cid set, but scx_kfunc_context_filter() doesn't check
> that set. The filter's first test treats any kfunc outside its known sets
> as non-SCX and allows it, so these three kfuncs can be called from any
> struct_ops program - e.g. a TCP congestion control program.

Applied to sched_ext/for-7.3.

Thanks.

--
tejun

      parent reply	other threads:[~2026-08-12 19:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-12  6:11 [PATCH] sched_ext: Gate cid kfuncs behind the SCX struct_ops check Qiurong Fang
2026-08-12  6:24 ` sashiko-bot
2026-08-12 19:20 ` Tejun Heo [this message]

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