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Sat, 14 Jun 2025 08:50:40 -0700 (PDT) From: Yury Norov To: Thomas Gleixner , linux-kernel@vger.kernel.org, John Stultz , Stephen Boyd Cc: "Yury Norov [NVIDIA]" Subject: [PATCH 2/2] clocksource: Use cpumask_next_wrap() in clocksource_watchdog() Date: Sat, 14 Jun 2025 11:50:30 -0400 Message-ID: <20250614155031.340988-3-yury.norov@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250614155031.340988-1-yury.norov@gmail.com> References: <20250614155031.340988-1-yury.norov@gmail.com> 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" From: "Yury Norov [NVIDIA]" cpumask_next_wrap() is more verbose and efficient comparing to cpumask_next() followed by cpumask_first(). Acked-by: John Stultz Signed-off-by: Yury Norov [NVIDIA] --- kernel/time/clocksource.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index a2f2e9f4d37b..e400fe150f9d 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -587,9 +587,7 @@ static void clocksource_watchdog(struct timer_list *unu= sed) * Cycle through CPUs to check if the CPUs stay synchronized * to each other. */ - next_cpu =3D cpumask_next(raw_smp_processor_id(), cpu_online_mask); - if (next_cpu >=3D nr_cpu_ids) - next_cpu =3D cpumask_first(cpu_online_mask); + next_cpu =3D cpumask_next_wrap(raw_smp_processor_id(), cpu_online_mask); =20 /* * Arm timer if not already pending: could race with concurrent --=20 2.43.0