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From: Tejun Heo <tj@kernel.org>
To: Juntong Deng <juntong.deng@outlook.com>
Cc: ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com,
	andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com,
	song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org,
	sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org,
	memxor@gmail.com, void@manifault.com, arighi@nvidia.com,
	changwoo@igalia.com, bpf@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH sched_ext/for-6.15 v3 2/5] sched_ext: Declare context-sensitive kfunc groups that can be used by different SCX operations
Date: Fri, 28 Feb 2025 11:57:23 -1000	[thread overview]
Message-ID: <Z8IxQy9bvanaiFq6@slm.duckdns.org> (raw)
In-Reply-To: <AM6PR03MB508018ABBD34FBAA089DD9F799C22@AM6PR03MB5080.eurprd03.prod.outlook.com>

On Wed, Feb 26, 2025 at 07:28:17PM +0000, Juntong Deng wrote:
> This patch declare context-sensitive kfunc groups that can be used by
> different SCX operations.
> 
> In SCX, some kfuncs are context-sensitive and can only be used in
> specific SCX operations.
> 
> Currently context-sensitive kfuncs can be grouped into UNLOCKED,
> CPU_RELEASE, DISPATCH, ENQUEUE, SELECT_CPU.
> 
> In this patch enum scx_ops_kf_flags was added to represent these groups,
> which is based on scx_kf_mask.
> 
> SCX_OPS_KF_ANY is a special value that indicates kfuncs can be used in
> any context.
> 
> scx_ops_context_flags is used to declare the groups of kfuncs that can
> be used by each SCX operation. An SCX operation can use multiple groups
> of kfuncs.
> 

Can you merge this into the next patch? I don't think separating this out
helps with reviewing.

Thanks.

-- 
tejun

  parent reply	other threads:[~2025-02-28 21:57 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-26 19:24 [PATCH sched_ext/for-6.15 v3 0/5] bpf, sched_ext: Make kfunc filters support struct_ops context to reduce runtime overhead Juntong Deng
2025-02-26 19:28 ` [PATCH sched_ext/for-6.15 v3 1/5] bpf: Add struct_ops context information to struct bpf_prog_aux Juntong Deng
2025-02-26 19:28 ` [PATCH sched_ext/for-6.15 v3 2/5] sched_ext: Declare context-sensitive kfunc groups that can be used by different SCX operations Juntong Deng
2025-02-27 19:19   ` Tejun Heo
2025-02-28 21:57   ` Tejun Heo [this message]
2025-03-03 21:12     ` Juntong Deng
2025-03-04 18:00       ` Tejun Heo
2025-03-07  0:07         ` Juntong Deng
2025-02-26 19:28 ` [PATCH sched_ext/for-6.15 v3 3/5] sched_ext: Add scx_kfunc_ids_ops_context_sensitive for unified filtering of context-sensitive SCX kfuncs Juntong Deng
2025-02-27 20:25   ` Tejun Heo
2025-02-27 21:23     ` Juntong Deng
2025-02-27 21:32       ` Tejun Heo
2025-02-28  2:34         ` Alexei Starovoitov
2025-02-28 21:31           ` Tejun Heo
2025-02-28 23:06             ` Alexei Starovoitov
2025-02-28 18:42         ` Juntong Deng
2025-02-28 21:20           ` Tejun Heo
2025-02-28  2:38       ` Alexei Starovoitov
2025-02-28 21:14         ` Tejun Heo
2025-02-26 19:28 ` [PATCH sched_ext/for-6.15 v3 4/5] sched_ext: Removed mask-based runtime restrictions on calling kfuncs in different contexts Juntong Deng
2025-02-27 16:24   ` Andrea Righi
2025-02-27 16:49     ` Juntong Deng
2025-02-26 19:28 ` [PATCH sched_ext/for-6.15 v3 5/5] selftests/sched_ext: Update enq_select_cpu_fails to adapt to struct_ops context filter Juntong Deng

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