linux-kernel - Re: [PATCH bpf-next 09/18] bpf: allow struct bpf_wq to be embedded in arraymaps and hashmaps

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Date: Thu, 18 Apr 2024 23:05:09 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Benjamin Tissoires <bentiss@...nel.org>
Cc: Alexei Starovoitov <ast@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
	Martin KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
	Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>, 
	bpf@...r.kernel.org, linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH bpf-next 09/18] bpf: allow struct bpf_wq to be embedded
 in arraymaps and hashmaps

On Tue, Apr 16, 2024 at 04:08:22PM +0200, Benjamin Tissoires wrote:
>  			WRITE_ONCE(*(u64 *)field_ptr, 0);
> @@ -1119,6 +1127,8 @@ static int map_check_btf(struct bpf_map *map, struct bpf_token *token,
>  				}
>  				break;
>  			case BPF_TIMER:
> +				fallthrough;
> +			case BPF_WORKQUEUE:

fallthrough is unnecessary when cases are back to back.