diff options
Diffstat (limited to 'arch/x86/um/asm/processor.h')
| -rw-r--r-- | arch/x86/um/asm/processor.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h index 118c143a9cb..04f82e020f2 100644 --- a/arch/x86/um/asm/processor.h +++ b/arch/x86/um/asm/processor.h @@ -11,12 +11,22 @@ #endif #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP) -#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP) +#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP) #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP) #define ARCH_IS_STACKGROW(address) \ (address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(¤t->thread.regs.regs)) +#include <asm/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() + #include <asm/processor-generic.h> #endif |