#define wmb() mb()
#define read_barrier_depends() do { } while(0)
#define set_mb(var, value) do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
#ifdef CONFIG_SMP
#define smp_mb() mb()
/* since Etrax doesn't have any atomic xchg instructions, we need to disable
irq's (if enabled) and do it with move.d's */
unsigned long flags,temp;
- local_save_flags(flags); /* save flags, including irq enable bit */
- local_irq_disable(); /* shut off irq's */
+ local_irq_save(flags); /* save flags, including irq enable bit and shut off irqs */
switch (size) {
case 1:
*((unsigned char *)&temp) = x;
return x;
}
+#include <asm-generic/cmpxchg-local.h>
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
+ (unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
+#ifndef CONFIG_SMP
+#include <asm-generic/cmpxchg.h>
+#endif
+
#define arch_align_stack(x) (x)
void default_idle(void);