X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Farch_x86.h;h=4abac2bb304de37a42855924de0c7bedbb8bab78;hb=d4fc680a1b809d90cb28f144c5d3e1143171bbab;hp=29612e0a98aa3bfbae4de0ff865259f2418de27d;hpb=ec4e58a3aba2084440012f8ccac3a31eb6101183;p=urcu.git diff --git a/urcu/arch_x86.h b/urcu/arch_x86.h index 29612e0..4abac2b 100644 --- a/urcu/arch_x86.h +++ b/urcu/arch_x86.h @@ -23,17 +23,17 @@ */ #include -#include +#include + +#ifdef __cplusplus +extern "C" { +#endif -/* Assume P4 or newer */ -#define CONFIG_HAVE_FENCE 1 #define CONFIG_HAVE_MEM_COHERENCY -#ifndef BITS_PER_LONG -#define BITS_PER_LONG (__SIZEOF_LONG__ * 8) -#endif +#define CACHE_LINE_SIZE 128 -#ifdef CONFIG_HAVE_FENCE +#ifdef CONFIG_RCU_HAVE_FENCE #define mb() asm volatile("mfence":::"memory") #define rmb() asm volatile("lfence":::"memory") #define wmb() asm volatile("sfence"::: "memory") @@ -62,10 +62,7 @@ #define rmc() barrier() #define wmc() barrier() -/* Assume SMP machine, given we don't have this information */ -#define CONFIG_SMP 1 - -#ifdef CONFIG_SMP +#ifdef CONFIG_RCU_SMP #define smp_mb() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() @@ -132,4 +129,8 @@ static inline cycles_t get_cycles(void) return ret; } +#ifdef __cplusplus +} +#endif + #endif /* _URCU_ARCH_X86_H */