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From: Kuan-Wei Chiu <visitorckw@gmail.com>
To: song@kernel.org, ast@kernel.org, daniel@iogearbox.net,
	andrii@kernel.org, eddyz87@gmail.com, memxor@gmail.com,
	kpsingh@kernel.org, matt@bobrowski.net, rostedt@goodmis.org,
	mhiramat@kernel.org, akpm@linux-foundation.org
Cc: jolsa@kernel.org, ihor.solodrai@linux.dev, martin.lau@linux.dev,
	yonghong.song@linux.dev, emil@etsalapatis.com,
	mathieu.desnoyers@efficios.com, hch@infradead.org,
	jserv@ccns.ncku.edu.tw, eleanor15x@gmail.com,
	marscheng@google.com, linux-kernel@vger.kernel.org,
	bpf@vger.kernel.org
Subject: Re: [PATCH v2 0/2] lib/sort: Clean up sort_nonatomic() and sort_r_nonatomic()
Date: Tue, 6 Oct 2026 02:59:01 +0800	[thread overview]
Message-ID: <asPzdeas0ZP2Oeis@google.com> (raw)
In-Reply-To: <20260910165222.1186628-1-visitorckw@gmail.com>

On Thu, Sep 10, 2026 at 04:52:19PM +0000, Kuan-Wei Chiu wrote:
> kernel/trace/bpf_trace.c is the sole remaining user of
> sort_r_nonatomic(). Switch check_dup_ids() to sort_r() to match
> bpf_kprobe_multi_link_attach() in the same file, which has safely
> used sort_r() under the same limit (1U << 20) for 4 years.
> 
> With no users left in the tree, remove the unused sort_nonatomic() and
> sort_r_nonatomic() APIs. This drops the __sort_r() wrapper and
> eliminates the may_schedule branch and cond_resched() from the inner
> sorting loop.

Anything else I need to do for this patchset to land?

Regards,
Kuan-Wei

> ---
> Changes in v2:
> - Drop the already accepted arm-smmu-v3 patch.
> - Convert bpf_trace.c to sort_r() instead.
> 
> Kuan-Wei Chiu (2):
>   bpf: Replace sort_r_nonatomic() with sort_r() in check_dup_ids()
>   Revert "lib/sort.c: add _nonatomic() variants with cond_resched()"
> 
>  include/linux/sort.h     |  11 ----
>  kernel/trace/bpf_trace.c |   2 +-
>  lib/sort.c               | 110 +++++++++++----------------------------
>  3 files changed, 32 insertions(+), 91 deletions(-)
> 
> -- 
> 2.55.0.1003.g10538fe699-goog
> 

      parent reply	other threads:[~2026-10-05 18:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-10 16:52 Kuan-Wei Chiu
2026-09-10 16:52 ` [PATCH v2 1/2] bpf: Replace sort_r_nonatomic() with sort_r() in check_dup_ids() Kuan-Wei Chiu
2026-09-11  8:36   ` Jiri Olsa
2026-09-10 16:52 ` [PATCH v2 2/2] Revert "lib/sort.c: add _nonatomic() variants with cond_resched()" Kuan-Wei Chiu
2026-10-05 18:59 ` Kuan-Wei Chiu [this message]

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