From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8CB91384CD4; Sat, 12 Sep 2026 19:36:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789241792; cv=none; b=Q+FYmgxOALpL7WgOeuYHu/zchoBfpVyCI88jjkYLnYdeKl0yZjXVFehmea5vUtKMrtB9uqce8XO3qVY5PTWJQoqak+EtFDCJBiwiXXtHAHveYw9rCfCYCPyuEBbxMu6TEa5xtQJ2lzaYSba2oGzrJPwDUWQoy+UycnkXy0KXCAY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789241792; c=relaxed/simple; bh=hZBrse34T0x+UR8tfagrJoC4ljRqxo4HwbobCsWWxGE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=devDwq1Ea8bVZAZqKpIOUZVd/dtKTbcuxvMuQVwbZ0BjA+LnkiG4gh3GAF5ljgKDiIlCwo1UuMmBOSqoSJD4KuPNfPi8cib4nt1htRlGEjp4LAK5R4U5VVkyxDaUgXlXkJ8BpKAmK7afCfo87lYiXmQFMyagik76URr0QwikVs8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=UcezRaj2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="UcezRaj2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 396D81F00893; Sat, 12 Sep 2026 19:36:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789241789; bh=VAq8ojEFR6+UozIb0F/T2OxwobrbEpxU2WZihSq6xMA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=UcezRaj2EghjT7Mkz8Aa0cvfhk5Emn1LqYxhQLBCngxhw3W1QcC92WKewxw5lUuPx XbFKVdI9X7BfjK0x9W1GUbK0dQ8FxhAcVNE2dSi9GU5Gor+vCublwk8xEWznXwQjkn ZyZ7Xn48cykWoJQbJgpnRMvWdBcMlw23KEH5aVD0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , "Steven Rostedt (Google)" , Alexander Martyniuk , Sasha Levin Subject: [PATCH 5.10 209/798] tracing/mmiotrace: Remove reference to unused per CPU data pointer Date: Sat, 12 Sep 2026 08:57:17 +0200 Message-ID: <20260912065521.889858216@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065516.948645775@linuxfoundation.org> References: <20260912065516.948645775@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Steven Rostedt commit 6936298393d8d8bc3cec6b704f6a774162cf9bd3 upstream. The mmiotracer referenced the per CPU array_buffer->data descriptor but never actually used it. Remove the references to it. Cc: Masami Hiramatsu Cc: Mark Rutland Cc: Mathieu Desnoyers Cc: Andrew Morton Link: https://lore.kernel.org/20250505212234.696945463@goodmis.org Signed-off-by: Steven Rostedt (Google) Signed-off-by: Alexander Martyniuk Signed-off-by: Sasha Levin --- kernel/trace/trace_mmiotrace.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index e8ae2d92a6787..55ba76bea98b1 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -294,7 +294,6 @@ __init static int init_mmio_trace(void) device_initcall(init_mmio_trace); static void __trace_mmiotrace_rw(struct trace_array *tr, - struct trace_array_cpu *data, struct mmiotrace_rw *rw) { struct trace_event_call *call = &event_mmiotrace_rw; @@ -319,12 +318,10 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, void mmio_trace_rw(struct mmiotrace_rw *rw) { struct trace_array *tr = mmio_trace_array; - struct trace_array_cpu *data = per_cpu_ptr(tr->array_buffer.data, smp_processor_id()); - __trace_mmiotrace_rw(tr, data, rw); + __trace_mmiotrace_rw(tr, rw); } static void __trace_mmiotrace_map(struct trace_array *tr, - struct trace_array_cpu *data, struct mmiotrace_map *map) { struct trace_event_call *call = &event_mmiotrace_map; @@ -349,12 +346,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr, void mmio_trace_mapping(struct mmiotrace_map *map) { struct trace_array *tr = mmio_trace_array; - struct trace_array_cpu *data; - - preempt_disable(); - data = per_cpu_ptr(tr->array_buffer.data, smp_processor_id()); - __trace_mmiotrace_map(tr, data, map); - preempt_enable(); + __trace_mmiotrace_map(tr, map); } int mmio_trace_printk(const char *fmt, va_list args) -- 2.53.0