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[73.224.175.84]) by smtp.gmail.com with ESMTPSA id 00721157ae682-70f8abef114sm32531027b3.29.2025.06.04.17.06.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Jun 2025 17:06:52 -0700 (PDT) From: Yury Norov To: Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Yury Norov Subject: [PATCH] trace: fix opencoded cpumask_next_wrap() in move_to_next_cpu() Date: Wed, 4 Jun 2025 20:06:50 -0400 Message-ID: <20250605000651.45281-1-yury.norov@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The dedicated cpumask_next_wrap() is more verbose and effective than cpumask_next() followed by cpumask_first(). Signed-off-by: Yury Norov --- kernel/trace/trace_hwlat.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c index b65353ec2837..2f7b94e98317 100644 --- a/kernel/trace/trace_hwlat.c +++ b/kernel/trace/trace_hwlat.c @@ -325,12 +325,9 @@ static void move_to_next_cpu(void) =20 cpus_read_lock(); cpumask_and(current_mask, cpu_online_mask, tr->tracing_cpumask); - next_cpu =3D cpumask_next(raw_smp_processor_id(), current_mask); + next_cpu =3D cpumask_next_wrap(raw_smp_processor_id(), current_mask); cpus_read_unlock(); =20 - if (next_cpu >=3D nr_cpu_ids) - next_cpu =3D cpumask_first(current_mask); - if (next_cpu >=3D nr_cpu_ids) /* Shouldn't happen! */ goto change_mode; =20 --=20 2.43.0