rcutorture: Privatize fullstop

This commit introduces the torture_must_stop() function in order to
keep use of the fullstop variable local to kernel/torture.c.  There
is also a torture_must_stop_irq() counterpart for use from RCU callbacks,
timeout handlers, and the like.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/include/linux/torture.h b/include/linux/torture.h
index 742d8a402f19..0259db38bfb0 100644
--- a/include/linux/torture.h
+++ b/include/linux/torture.h
@@ -41,12 +41,6 @@
         module_param(name, type, 0444); \
         MODULE_PARM_DESC(name, msg);
 
-/* Mediate rmmod and system shutdown.  Concurrent rmmod & shutdown illegal! */
-#define FULLSTOP_DONTSTOP 0     /* Normal operation. */
-#define FULLSTOP_SHUTDOWN 1     /* System shutdown with rcutorture running. */
-#define FULLSTOP_RMMOD    2     /* Normal rmmod of rcutorture. */
-extern int fullstop;
-
 #define TORTURE_FLAG "-torture:"
 #define TOROUT_STRING(s) \
         pr_alert("%s" TORTURE_FLAG s "\n", torture_type)
@@ -85,5 +79,7 @@ void torture_shutdown_absorb(const char *title);
 void torture_init_begin(char *ttype, bool v);
 void torture_init_end(void);
 bool torture_cleanup(void);
+bool torture_must_stop(void);
+bool torture_must_stop_irq(void);
 
 #endif /* __LINUX_TORTURE_H */