[tip: core/rcu] srcu: Remove KCSAN stubs

From: tip-bot2 for Paul E. McKenney
Date: Fri Oct 09 2020 - 02:36:25 EST


The following commit has been merged into the core/rcu branch of tip:

Commit-ID: d9b60741318f6f8bcb2adc4beaef724c923fcb93
Gitweb: https://git.kernel.org/tip/d9b60741318f6f8bcb2adc4beaef724c923fcb93
Author: Paul E. McKenney <paulmck@xxxxxxxxxx>
AuthorDate: Wed, 17 Jun 2020 13:24:04 -07:00
Committer: Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Mon, 24 Aug 2020 18:36:03 -07:00

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@xxxxxxxxxx>
---
kernel/rcu/srcutree.c | 13 -------------
1 file changed, 13 deletions(-)

diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index c100acf..c13348e 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;