linux-kernel - [PATCH] trace: in

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Date:   Thu, 30 Sep 2021 08:03:42 +0800
From:   Changbin Du <changbin.du@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Changbin Du <changbin.du@...il.com>,
        Petr Mladek <pmladek@...e.com>
Subject: [PATCH] trace: in_irq() cleanup

Replace the obsolete and ambiguos macro in_irq() with new
macro in_hardirq().

Signed-off-by: Changbin Du <changbin.du@...il.com>
Reviewed-by: Petr Mladek <pmladek@...e.com>
---
 kernel/trace/trace.h                 | 2 +-
 kernel/trace/trace_functions_graph.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index b7c0f8e160fb..aeec5aa0549d 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -881,7 +881,7 @@ static inline int ftrace_graph_addr(struct ftrace_graph_ent *trace)
 		 * is set, and called by an interrupt handler, we still
 		 * want to trace it.
 		 */
-		if (in_irq())
+		if (in_hardirq())
 			trace_recursion_set(TRACE_IRQ_BIT);
 		else
 			trace_recursion_clear(TRACE_IRQ_BIT);
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 0de6837722da..b08d3923de98 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -120,7 +120,7 @@ static inline int ftrace_graph_ignore_irqs(void)
 	if (!ftrace_graph_skip_irqs || trace_recursion_test(TRACE_IRQ_BIT))
 		return 0;
 
-	return in_irq();
+	return in_hardirq();
 }
 
 int trace_graph_entry(struct ftrace_graph_ent *trace)
-- 
2.32.0