From nobody Wed Oct 1 22:30:49 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 9EBBE30BF62 for ; Tue, 30 Sep 2025 17:01:26 +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=1759251686; cv=none; b=Y6vFuv4rjUzZqKgT8sutCcqLxygFYYDjIsfR16JJYWawt8M3SJKeUZJQWvlnlTOLBjCKBDBrMLGgYflvskUptMfNxbB9/9KHACDLB6aDv88YZ9ucFgAPUlpCPgOe/goF6XzMESEiImE5BEpC6GPrHg3BpmmqQQ56EcozsduqQtk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759251686; c=relaxed/simple; bh=HeSHLMhtFrWa6uet7G3GDqFuRbBCaqAnnR7g3BuXQrw=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=p8QIrSDaaKtPKYq9KJmnptcoLRwkTai2/7jRHiq2G0MgBBLi7jTcyHNB3vK+9CzPGccw6tNeiMDegFZHdfrF9OmWFfTsjYB2GLmYhMYXrKnaiuAe5KVz9bpOcnYw61LsYu3bTECaRVArAp8aTCkiqQRQRO+BURqN6QEMMMQerJE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YQyADnxj; 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="YQyADnxj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49CD7C4CEF0; Tue, 30 Sep 2025 17:01:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759251686; bh=HeSHLMhtFrWa6uet7G3GDqFuRbBCaqAnnR7g3BuXQrw=; h=Date:From:To:Cc:Subject:References:From; b=YQyADnxj+o0mcPyYlC12dUrHXVsDeJ4LwDKGHGnAjHSrmmb4bFC8Rc5RyiWREZ8ox 61pZedp3pL1/nktgVAA1FGwgHLtUG422IuTkxlmrI2eKnJ7sttirQ08OrrPxH63L8K DWnB0GojUbli5Oj4wVaj9m093oa/KFi9YnnoOXwY0QCcrpC9ISuQ1omctXsIE9c/Vs 7agQJhybYN6xZbh670Oi//Va/LXH1GjSooyNOgZRmTXF4FyAELHhbi/nHVxFyEuw5b KbrZ/Xtcz4wSe/qwFWdChC30XCbS918GX/nTxfsXF9MqygSucQj/Ii75DxB/UnjosR qqYvhCmduJyrg== Received: from rostedt by gandalf with local (Exim 4.98.2) (envelope-from ) id 1v3dkk-0000000DIII-1U8z; Tue, 30 Sep 2025 13:03:02 -0400 Message-ID: <20250930170302.206716475@kernel.org> User-Agent: quilt/0.68 Date: Tue, 30 Sep 2025 13:01:41 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Liao Yuanhong Subject: [for-next][PATCH 06/11] tracing: Remove redundant 0 value initialization References: <20250930170135.285740909@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: Liao Yuanhong The saved_cmdlines_buffer struct is already zeroed by memset(). It's redundant to initialize s->cmdline_idx to 0. Cc: Masami Hiramatsu Cc: Mathieu Desnoyers Link: https://lore.kernel.org/20250825123200.306272-1-liaoyuanhong@vivo.com Signed-off-by: Liao Yuanhong Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace_sched_switch.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_s= witch.c index cb49f7279dc8..518dfc74347a 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -224,7 +224,6 @@ static struct saved_cmdlines_buffer *allocate_cmdlines_= buffer(unsigned int val) /* Place map_cmdline_to_pid array right after saved_cmdlines */ s->map_cmdline_to_pid =3D (unsigned *)&s->saved_cmdlines[val * TASK_COMM_= LEN]; =20 - s->cmdline_idx =3D 0; memset(&s->map_pid_to_cmdline, NO_CMDLINE_MAP, sizeof(s->map_pid_to_cmdline)); memset(s->map_cmdline_to_pid, NO_CMDLINE_MAP, --=20 2.50.1