From: Paul E. McKenney <paulmck@kernel.org>
Date: Wed, 17 Jun 2020 20:24:04 +0000 (-0700)
Subject: srcu: Remove KCSAN stubs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d9b60741318f6f8bcb2adc4beaef724c923fcb93;p=linux.git

srcu: Remove KCSAN stubs

KCSAN is now in mainline, so this commit removes the stubs for the
data_race(), ASSERT_EXCLUSIVE_WRITER(), and ASSERT_EXCLUSIVE_ACCESS()
macros.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---

diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index c100acf332eda..c13348ee80a5a 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -29,19 +29,6 @@
 #include "rcu.h"
 #include "rcu_segcblist.h"
 
-#ifndef data_race
-#define data_race(expr)							\
-	({								\
-		expr;							\
-	})
-#endif
-#ifndef ASSERT_EXCLUSIVE_WRITER
-#define ASSERT_EXCLUSIVE_WRITER(var) do { } while (0)
-#endif
-#ifndef ASSERT_EXCLUSIVE_ACCESS
-#define ASSERT_EXCLUSIVE_ACCESS(var) do { } while (0)
-#endif
-
 /* Holdoff in nanoseconds for auto-expediting. */
 #define DEFAULT_SRCU_EXP_HOLDOFF (25 * 1000)
 static ulong exp_holdoff = DEFAULT_SRCU_EXP_HOLDOFF;