diff options
Diffstat (limited to 'arch/x86/um/asm/processor_64.h')
| -rw-r--r-- | arch/x86/um/asm/processor_64.h | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/x86/um/asm/processor_64.h b/arch/x86/um/asm/processor_64.h index 61de92d916c..c3be85205a6 100644 --- a/arch/x86/um/asm/processor_64.h +++ b/arch/x86/um/asm/processor_64.h @@ -14,19 +14,13 @@ struct arch_thread { struct faultinfo faultinfo; }; -/* 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() - #define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \ .debugregs_seq = 0, \ .fs = 0, \ .faultinfo = { 0, 0, 0 } } +#define STACKSLOTS_PER_LINE 4 + static inline void arch_flush_thread(struct arch_thread *thread) { } @@ -37,9 +31,10 @@ static inline void arch_copy_thread(struct arch_thread *from, to->fs = from->fs; } -#include <asm/user.h> - #define current_text_addr() \ ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; }) +#define current_sp() ({ void *sp; __asm__("movq %%rsp, %0" : "=r" (sp) : ); sp; }) +#define current_bp() ({ unsigned long bp; __asm__("movq %%rbp, %0" : "=r" (bp) : ); bp; }) + #endif |