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Commit 6f5374c9 authored by David S. Miller's avatar David S. Miller
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[SPARC64]: Add sun4v_cpu_yield(). 

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1bd0cd74
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arch/sparc64/kernel/entry.S
View file @ 6f5374c9
...@@ -1786,3 +1786,12 @@ sun4v_cpu_qconf: ...@@ -1786,3 +1786,12 @@ sun4v_cpu_qconf:
ta HV_FAST_TRAP ta HV_FAST_TRAP
retl retl
nop nop
/* returns %o0: status
*/
.globl sun4v_cpu_yield
sun4v_cpu_yield:
mov HV_FAST_CPU_YIELD, %o5
ta HV_FAST_TRAP
retl
nop
include/asm-sparc64/hypervisor.h
View file @ 6f5374c9
...@@ -258,6 +258,9 @@ ...@@ -258,6 +258,9 @@
*/ */
#define HV_FAST_CPU_YIELD 0x12 #define HV_FAST_CPU_YIELD 0x12
#ifndef __ASSEMBLY__
extern unsigned long sun4v_cpu_yield(void);
#endif
/* cpu_qconf() /* cpu_qconf()
* TRAP: HV_FAST_TRAP * TRAP: HV_FAST_TRAP
......
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