diff options
| -rw-r--r-- | arch/sparc64/kernel/entry.S | 9 | ||||
| -rw-r--r-- | include/asm-sparc64/hypervisor.h | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index bd332e41532..9f3048e64e8 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -1786,3 +1786,12 @@ sun4v_cpu_qconf: ta HV_FAST_TRAP retl nop + + /* returns %o0: status + */ + .globl sun4v_cpu_yield +sun4v_cpu_yield: + mov HV_FAST_CPU_YIELD, %o5 + ta HV_FAST_TRAP + retl + nop diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h index cd5fbcd9556..726e2ea03ce 100644 --- a/include/asm-sparc64/hypervisor.h +++ b/include/asm-sparc64/hypervisor.h @@ -258,6 +258,9 @@ */ #define HV_FAST_CPU_YIELD 0x12 +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_cpu_yield(void); +#endif /* cpu_qconf() * TRAP: HV_FAST_TRAP |