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Raise the number of nested readers limit 2^16 and 2^32 on 32 and 64-bits arch.
[urcu.git]
/
urcu.h
diff --git
a/urcu.h
b/urcu.h
index 2e8c0424abb0d413b6a64035ba05acced231d253..b8f6d9b29ab20a73b40b547261294c0f033c56e8 100644
(file)
--- a/
urcu.h
+++ b/
urcu.h
@@
-162,11
+162,12
@@
static inline void debug_yield_init(void)
#endif
/*
#endif
/*
- *
Limiting the nesting level to 256 to keep instructions small in the read
- * f
ast-path
.
+ *
The trick here is that RCU_GP_CTR_BIT must be a multiple of 8 so we can use a
+ * f
ull 8-bits, 16-bits or 32-bits bitmask for the lower order bits
.
*/
#define RCU_GP_COUNT (1U << 0)
*/
#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)
/*
#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
/*
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