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-rw-r--r--arch/sparc64/kernel/entry.S9
1 files changed, 9 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