From patchwork Mon Mar 17 01:55:24 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 14018585 Received: from out30-124.freemail.mail.aliyun.com (out30-124.freemail.mail.aliyun.com [115.124.30.124]) (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 3129B79D2; Mon, 17 Mar 2025 01:55:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742176543; cv=none; b=V8pZH44xEUIINa/OZGW6lcAa3MNQFw6T42opBoZSu3WpaHsBHW0oEe2yIQ4eZZsd4M2UQqQqlonbFP8Ukkf3JugfAtxwlSl0LWAarUMsNvEyizSE5gCp0Yb5uRiSVEAUicz/XvmV3MwLQCwOAfd4U/XpIT+uT4JKrC0iQaE7NRM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742176543; c=relaxed/simple; bh=7GlVFROGhQYP4W1Es7a2w1q7aJ6QXK6BRS5zZWU3QQc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=YXKK/O8Ksgxt8I4irvxblSoj5wzWXcYIEY0WCyx9BGAik3LTKjBelip824MR8dB+I4msUmdMcGrSA7JwGcHdSlZfRPQ8QLiaIwdL/iDqmlRUMWQ+bPYwg37QqzaQMhEusXOG0idjMgc/O62OehjHIa/92gcGQxUuP7E8lGRA9y8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=H0ZXvlJ4; arc=none smtp.client-ip=115.124.30.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="H0ZXvlJ4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1742176532; h=From:To:Subject:Date:Message-Id:MIME-Version:Content-Type; bh=uoBZcHvTXH4zImpYvULitH9EJk+5AMCPZ8jdSfBBn3Y=; b=H0ZXvlJ4nLA15O8RSaDh3B1fYDg8Q9xjBB9soC776N95v8O6SJISQZgmtOZiPXhQ7OhUhemEf/Wp97l+Pv9oDeu9NwMV42LO7bjAhlRKIlPoBAfcdaaIIYekSdo4fq2MJYvGY60TsbHXDm+vLKMquVq4LuJVta3CqMfsR3lTNmQ= Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0WRXQteu_1742176525 cluster:ay36) by smtp.aliyun-inc.com; Mon, 17 Mar 2025 09:55:31 +0800 From: Jiapeng Chong To: rostedt@goodmis.org Cc: mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Jiapeng Chong , Abaci Robot Subject: [PATCH -next] ring-buffer: Remove the unused variable bmeta Date: Mon, 17 Mar 2025 09:55:24 +0800 Message-Id: <20250317015524.3902-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.32.0.3.g01195cf9f Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Variable bmeta is not effectively used, so delete it. kernel/trace/ring_buffer.c:1952:27: warning: variable ‘bmeta’ set but not used. Reported-by: Abaci Robot Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=19524 Signed-off-by: Jiapeng Chong --- kernel/trace/ring_buffer.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 1f9f3fd7e23d..229427fe0c2f 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1949,7 +1949,6 @@ static void rb_meta_validate_events(struct ring_buffer_per_cpu *cpu_buffer) static void rb_range_meta_init(struct trace_buffer *buffer, int nr_pages, int scratch_size) { struct ring_buffer_cpu_meta *meta; - struct ring_buffer_meta *bmeta; unsigned long *subbuf_mask; unsigned long delta; void *subbuf; @@ -1964,8 +1963,6 @@ static void rb_range_meta_init(struct trace_buffer *buffer, int nr_pages, int sc if (rb_meta_init(buffer, scratch_size)) valid = true; - bmeta = buffer->meta; - for (cpu = 0; cpu < nr_cpu_ids; cpu++) { void *next_meta;