rcutorture: Move SRCU status printing to SRCU implementations

This commit gets rid of some ugly #ifdefs in rcutorture.c by moving
the SRCU status printing to the SRCU implementations.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

2 files changed, 14 insertions, 0 deletions

diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h
index cfbfc540cafc..261471f407a5 100644
--- a/include/linux/srcutiny.h
+++ b/include/linux/srcutiny.h
@@ -87,4 +87,17 @@ static inline void srcu_barrier(struct srcu_struct *sp)
         synchronize_srcu(sp);
 }
 
+/* Defined here to avoid size increase for non-torture kernels. */
+static inline void srcu_torture_stats_print(struct srcu_struct *sp,
+                                            char *tt, char *tf)
+{
+        int idx;
+
+        idx = READ_ONCE(sp->srcu_idx) & 0x1;
+        pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n",
+                 tt, tf, idx,
+                 READ_ONCE(sp->srcu_lock_nesting[!idx]),
+                 READ_ONCE(sp->srcu_lock_nesting[idx]));
+}
+
 #endif
diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h
index 42973f787e7e..7886356bdc84 100644
--- a/include/linux/srcutree.h
+++ b/include/linux/srcutree.h
@@ -141,5 +141,6 @@ void process_srcu(struct work_struct *work);
 
 void synchronize_srcu_expedited(struct srcu_struct *sp);
 void srcu_barrier(struct srcu_struct *sp);
+void srcu_torture_stats_print(struct srcu_struct *sp, char *tt, char *tf);
 
 #endif