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 6C139317145; Sat, 12 Sep 2026 13:51:59 +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=1789221120; cv=none; b=NtgRXVf23uzHvUUXS42tKo1gEiMGnFzFpelQ/F91Yp5HU7aOAr3J8RDpXYNU5fr6rVu/muJBJEN1ShwKt62d4nCF6rglMXCg1fDxs8uQ32vMXEbqF2ht8IA2JGts5PucgMNVy4AFTX6EJJzU98xI9JCWjG3atpWuIcNwAyIiL3Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789221120; c=relaxed/simple; bh=d2Qu6Em1S3xEb4xGoAtsRKdqwXZ0B2friTDvt3yBcCo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eXOVgXgEakkQF72bz9bTbXwclaDBn1Jh2B5x/UvDzTSxNgOQdMyFIr1MiyzgYNpe9YWMvJ411FAnrxusR0sqajlZEKceX/yqUzajzAGvn4Rp6+5RxvMJUUrQHWJgotxmnXKQ7I/yn5uvCIVdtChrijqQNRGgLn/0NKamPLiELNM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=JzaSAAGN; 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="JzaSAAGN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 722971F00893; Sat, 12 Sep 2026 13:51:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789221119; bh=L70nK3T2MsPQ2C77F7zVXIj9ioZbZ5ORq0HJFPFrLTI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=JzaSAAGN7gO8V1Gis9oI3ANegbfMushBaNwlOlXSTl6qwvmejOCIoCwr2n4HtQxZP YZL8BWLOl8HDxyKEak6lII2OhAStHFxyP4FBat4jijcHPIpI/NYhVVfFj5Rh04KXnq pfDMnuj9veKBvQCyz0LZ40lJSS1ZLxZZ0EQY6c6Y= 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 6.6 0318/1424] tracing/mmiotrace: Remove reference to unused per CPU data pointer Date: Sat, 12 Sep 2026 08:45:50 +0200 Message-ID: <20260912065614.406230384@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065607.279695368@linuxfoundation.org> References: <20260912065607.279695368@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 6.6-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