extern int host_has_xmm;
extern int host_has_cmov;
+/* include faultinfo structure */
+#include "sysdep/faultinfo.h"
+
struct arch_thread {
unsigned long debugregs[8];
int debugregs_seq;
+ struct faultinfo faultinfo;
};
#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
- .debugregs_seq = 0 }
+ .debugregs_seq = 0, \
+ .faultinfo = { 0, 0, 0 } }
#include "asm/arch/user.h"
+/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
+static inline void rep_nop(void)
+{
+ __asm__ __volatile__("rep;nop": : :"memory");
+}
+
+#define cpu_relax() rep_nop()
+
/*
* Default implementation of macro that returns current
* instruction pointer ("program counter"). Stolen