linux-kernel - [RFC 1/3] Revert "tracepoint: Use __idx instead of idx in DO

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Date:   Fri,  7 Feb 2020 15:56:54 -0500
From:   "Joel Fernandes (Google)" <joel@...lfernandes.org>
To:     linux-kernel@...r.kernel.org
Cc:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Ingo Molnar <mingo@...hat.com>,
        Richard Fontana <rfontana@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Josh Triplett <josh@...htriplett.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>
Subject: [RFC 1/3] Revert "tracepoint: Use __idx instead of idx in DO_TRACE macro to make it unique"

This reverts commit 0c7a52e4d4b5c4d35b31f3c3ad32af814f1bf491.

Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
---
 include/linux/tracepoint.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 1fb11daa5c533..59463c90fdc3d 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -164,7 +164,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
 		struct tracepoint_func *it_func_ptr;			\
 		void *it_func;						\
 		void *__data;						\
-		int __maybe_unused __idx = 0;				\
+		int __maybe_unused idx = 0;				\
 									\
 		if (!(cond))						\
 			return;						\
@@ -180,7 +180,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
 		 * doesn't work from the idle path.			\
 		 */							\
 		if (rcuidle) {						\
-			__idx = srcu_read_lock_notrace(&tracepoint_srcu);\
+			idx = srcu_read_lock_notrace(&tracepoint_srcu);	\
 			rcu_irq_enter_irqson();				\
 		}							\
 									\
@@ -196,7 +196,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
 									\
 		if (rcuidle) {						\
 			rcu_irq_exit_irqson();				\
-			srcu_read_unlock_notrace(&tracepoint_srcu, __idx);\
+			srcu_read_unlock_notrace(&tracepoint_srcu, idx);\
 		}							\
 									\
 		preempt_enable_notrace();				\
-- 
2.25.0.341.g760bfbb309-goog