/*
* If a reader is really non-cooperative and refuses to commit its
- * urcu_active_readers count to memory (there is no barrier in the reader
+ * rcu_reader_qs_gp count to memory (there is no barrier in the reader
* per-se), kick it after a few loops waiting for it.
*/
#define KICK_READER_LOOPS 10000
smp_mb();
}
-/*
- * The trick here is that RCU_GP_CTR_BIT must be a multiple of 8 so we can use a
- * full 8-bits, 16-bits or 32-bits bitmask for the lower order bits.
- */
-#define RCU_GP_COUNT (1UL << 0)
-/* Use the amount of bits equal to half of the architecture long size */
-#define RCU_GP_CTR_BIT (1UL << (sizeof(long) << 2))
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
/*
* Global quiescent period counter with low-order bits unused.
* Using a int rather than a char to eliminate false register dependencies
*/
extern long urcu_gp_ctr;
-extern long __thread urcu_active_readers;
+extern long __thread rcu_reader_qs_gp;
-static inline int rcu_old_gp_ongoing(long *value)
+static inline int rcu_gp_ongoing(long *value)
{
if (value == NULL)
return 0;
static inline void _rcu_quiescent_state(void)
{
smp_mb();
- urcu_active_readers = ACCESS_ONCE(urcu_gp_ctr) + 1;
+ rcu_reader_qs_gp = ACCESS_ONCE(urcu_gp_ctr) + 1;
smp_mb();
}
static inline void _rcu_thread_offline(void)
{
smp_mb();
- urcu_active_readers = ACCESS_ONCE(urcu_gp_ctr);
+ rcu_reader_qs_gp = ACCESS_ONCE(urcu_gp_ctr);
}
static inline void _rcu_thread_online(void)
{
- urcu_active_readers = ACCESS_ONCE(urcu_gp_ctr) + 1;
+ rcu_reader_qs_gp = ACCESS_ONCE(urcu_gp_ctr) + 1;
smp_mb();
}