From nobody Mon Oct 6 08:04:02 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AAC301E8338 for ; Wed, 23 Jul 2025 15:36:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753284962; cv=none; b=nzQxamtJbrGWVKq7PQpnRbt1fuxHqZ8d/bTJOD59DUT4salYODhoFPlhpRy39SToS9TmKhy8Ibdn0SaaGbOtoUaU0G/0gWl/1ts/Hh9f5N2aO40AI5mFuDt3E/WOKNKW+xUVg9Drkg1nYP0NnAOgcA4faxUcTka157hQEJuWwyI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753284962; c=relaxed/simple; bh=2AJ3pnQjZ1aKTWM8TU5LnO0jhfi+rzvH5e3vxC/0WFY=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=Loe7KYvqQB9MjRaSOVzQkUulfA90W7TSI5LfUQ/ZEnXVrhfTMmKFMWhlxgkZceP64EkxJQMlA0NC1KLOVqGgqnWzsxW4cAC3wv2Fz9+8zD9Dd2WUHYTFO3KfXAU6vzEr4gT+ifYn4ApbBD27hzOL60OWdbjoq0zHIRZ8s5fb4z4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CUqciMYD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CUqciMYD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 323E8C4CEE7; Wed, 23 Jul 2025 15:36:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753284962; bh=2AJ3pnQjZ1aKTWM8TU5LnO0jhfi+rzvH5e3vxC/0WFY=; h=Date:From:To:Cc:Subject:References:From; b=CUqciMYDnWOV9PagnDvvC/P797z7s34XI3i4fAyUTv3KbUUC8/XhfvGN+kIs5QOvn Wq7w/044qzsx/HW+lTZheTzi2oABFio3lCgROECWdNqrtdd8Ch/8pLLmgRFSIIkD2n x7dPr+Br9Gc5wqXsdBOhnLCb4We/uoWM6cygDdOIkJ2gtYGBVgMyZLJEO18RIFE3Xf nPUan2HHcy+1QuH0GX8n+gMHI4xxxbDCIRlXSjjFoaPL8+xfklkCaZiSND2ntmW5Bo MEDO+2+EFOvImF/D0XIa+quOc1vcVCdBYacols4+Z6AYOvssqTkHOiQzGoeVet4ly1 ctvSE5wvt7KQw== Received: from rostedt by gandalf with local (Exim 4.98.2) (envelope-from ) id 1ueamd-00000000LPF-2j1l; Wed, 23 Jul 2025 10:49:27 -0400 Message-ID: <20250723144927.507197150@kernel.org> User-Agent: quilt/0.68 Date: Wed, 23 Jul 2025 10:49:08 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Yury Norov Subject: [for-next][PATCH 1/8] tracing: Replace opencoded cpumask_next_wrap() in move_to_next_cpu() References: <20250723144907.219256132@kernel.org> 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 The dedicated cpumask_next_wrap() is more verbose and effective than cpumask_next() followed by cpumask_first(). Cc: Masami Hiramatsu Cc: Mathieu Desnoyers Link: https://lore.kernel.org/20250605000651.45281-1-yury.norov@gmail.com Signed-off-by: Yury Norov Signed-off-by: Steven Rostedt (Google) --- 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 2.47.2