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Mon, 05 Oct 2026 11:59:07 -0700 (PDT) Date: Tue, 6 Oct 2026 02:59:01 +0800 From: Kuan-Wei Chiu 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() Message-ID: References: <20260910165222.1186628-1-visitorckw@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 >