* Distributed under GPLv2
*/
-#define __USE_GNU
#include <stdlib.h>
+#include <pthread.h>
/* The "volatile" is due to gcc bugs */
#define barrier() __asm__ __volatile__("": : :"memory")
#endif
/*
- * Limiting the nesting level to 256 to keep instructions small in the read
- * fast-path.
+ * 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 (1U << 0)
-#define RCU_GP_CTR_BIT (1U << 8)
+/* Use the amount of bits equal to half of the architecture long size */
+#define RCU_GP_CTR_BIT (sizeof(long) << 2)
#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
/*