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rcutorture: Privatize fullstop

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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>
This commit is contained in:
Paul E. McKenney 2014-01-30 15:49:29 -08:00
commit 36970bb91d
3 changed files with 42 additions and 31 deletions
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8
include/linux/torture.h
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@ -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 */