[PATCH RFC 3/7] rcutorture: Remove unused check_boost_failed hook

[Joel Fernandes <joelagnelf@nvidia.com>]

Nothing in rcutorture calls ->check_boost_failed() now that boost
failure is decided by whether the reader finished, so drop the hook
from struct rcu_torture_ops and its initializer.

Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
---
 kernel/rcu/rcutorture.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index ad980e9257dd..b13b25b686f7 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -43,6 +43,7 @@
 #include <linux/torture.h>
 #include <linux/vmalloc.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/sysctl.h>
 #include <linux/oom.h>
 #include <linux/tick.h>
 #include <linux/rcupdate_trace.h>
@@ -425,7 +426,6 @@ struct rcu_torture_ops {
 	void (*fqs)(void);
 	void (*stats)(void);
 	void (*gp_kthread_dbg)(void);
-	bool (*check_boost_failed)(unsigned long gp_state, int *cpup);
 	int (*stall_dur)(void);
 	void (*get_gp_data)(int *flags, unsigned long *gp_seq);
 	void (*gp_slow_register)(atomic_t *rgssp);
@@ -637,7 +637,6 @@ static struct rcu_torture_ops rcu_ops = {
 	.cb_barrier		= rcu_barrier,
 	.fqs			= rcu_force_quiescent_state,
 	.gp_kthread_dbg		= show_rcu_gp_kthreads,
-	.check_boost_failed	= rcu_check_boost_fail,
 	.stall_dur		= rcu_jiffies_till_stall_check,
 	.get_gp_data		= rcutorture_get_gp_data,
 	.gp_slow_register	= rcu_gp_slow_register,
-- 
2.54.0