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 019183AFB1A; Sat, 12 Sep 2026 18:21:33 +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=1789237294; cv=none; b=sSr2WiP/v/cdGpiY+wfMX5iSyO+FWQMkjul1MW6sNIf1gFAtAYYmXKLfvhF56tAFTW5iL48Phaw3aVZPyX4FWiYHW6dlPPBPN9U/gg3AmKyQgIP+GDK5cUxyQNCrq/NZjEDiBwFhmj/hR1tq14Pw5OiQnr2Y65WfZcqRrVHBZy4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789237294; c=relaxed/simple; bh=wYE4GtfxtTseTgyli56AloPS+OUtz8bhvfj9cD+aptk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pr/kR6W9gKHm+lIhw4Cni8PNQHtNk/Lb+1GRxcpIKjjUBPZUwcIAs3xF9quPW1Glvu39MMMJI6fZMHaUeW0eiQE8kG9OmcKlaTZJgZnWvwg8rNLxZxC4aWQj4AzN0WPC+Uct9mWFKiRDMTNB3A0YuPkDBd0HKJ9dn1ENrPgFIAM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cSZxpuhe; 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="cSZxpuhe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06EC21F000FF; Sat, 12 Sep 2026 18:21:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789237292; bh=RLTk3/j+50+kE4dE6xBufGZfQqyJbj2ri4l0et+CjH0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=cSZxpuheRDSvJK8cYcC8M2MdvCzefiBrchfxCUCLJbuEvJfEgk3JOChlN7BNgJ7gV IVFUyTWohlzDjBghraJIJrlCBTck5KyKQmG8B3vnghx2tCQZ1kuTBpEutIW2nDw30Y lPFKrgxZJx9xI4ZSSgCXyGxpb1zZgAOkp4T3p4tA= 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 5.15 230/935] tracing/mmiotrace: Remove reference to unused per CPU data pointer Date: Sat, 12 Sep 2026 08:54:20 +0200 Message-ID: <20260912065532.102471121@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065526.833703348@linuxfoundation.org> References: <20260912065526.833703348@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 5.15-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 c523ce5aa4958..74f378fca5187 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -292,7 +292,6 @@ __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; @@ -318,12 +317,10 @@ 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