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-rw-r--r--arch/sparc/kernel/process_64.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index b96104da5bd6..44e5da405f96 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -77,8 +77,13 @@ void arch_cpu_idle(void)
: "=&r" (pstate)
: "i" (PSTATE_IE));
- if (!need_resched() && !cpu_is_offline(smp_processor_id()))
+ if (!need_resched() && !cpu_is_offline(smp_processor_id())) {
sun4v_cpu_yield();
+ /* If resumed by cpu_poke then we need to explicitly
+ * call scheduler_ipi().
+ */
+ scheduler_poke();
+ }
/* Re-enable interrupts. */
__asm__ __volatile__(