tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/misc.h

   1 #ifndef MISC_H
   2 #define MISC_H
   3
   4 #include "assume.h"
   5 #include "int_typedefs.h"
   6 #include "locks.h"
   7
   8 #include <linux/types.h>
   9
  10 /* Probably won't need to deal with bottom halves. */
  11 static inline void local_bh_disable(void) {}
  12 static inline void local_bh_enable(void) {}
  13
  14 #define MODULE_ALIAS(X)
  15 #define module_param(...)
  16 #define EXPORT_SYMBOL_GPL(x)
  17
  18 #define container_of(ptr, type, member) ({                      \
  19         const typeof(((type *)0)->member) *__mptr = (ptr);      \
  20         (type *)((char *)__mptr - offsetof(type, member));      \
  21 })
  22
  23 #ifndef USE_SIMPLE_SYNC_SRCU
  24 /* Abuse udelay to make sure that busy loops terminate. */
  25 #define udelay(x) assume(0)
  26
  27 #else
  28
  29 /* The simple custom synchronize_srcu is ok with try_check_zero failing. */
  30 #define udelay(x) do { } while (0)
  31 #endif
  32
  33 #define trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \
  34         do { } while (0)
  35
  36 #define notrace
  37
  38 /* Avoid including rcupdate.h */
  39 struct rcu_synchronize {
  40         struct rcu_head head;
  41         struct completion completion;
  42 };
  43
  44 void wakeme_after_rcu(struct rcu_head *head);
  45
  46 #define rcu_lock_acquire(a) do { } while (0)
  47 #define rcu_lock_release(a) do { } while (0)
  48 #define rcu_lockdep_assert(c, s) do { } while (0)
  49 #define RCU_LOCKDEP_WARN(c, s) do { } while (0)
  50
  51 /* Let CBMC non-deterministically choose switch between normal and expedited. */
  52 bool rcu_gp_is_normal(void);
  53 bool rcu_gp_is_expedited(void);
  54
  55 /* Do the same for old versions of rcu. */
  56 #define rcu_expedited (rcu_gp_is_expedited())
  57
  58 #endif