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sparc64: Use CPU_POKE to resume idle cpu

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Use CPU_POKE hypervisor call to resume idle cpu if supported.

Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vijay Kumar
2017-07-21 10:23:57 -06:00
committed by David S. Miller
parent 28d43de741
commit 8536e02e91
5 changed files with 90 additions and 5 deletions
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arch/sparc/kernel/setup_64.c
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@@ -356,6 +356,7 @@ void __init start_early_boot(void)
check_if_starfire();
per_cpu_patch();
sun4v_patch();
smp_init_cpu_poke();
cpu = hard_smp_processor_id();
if (cpu >= NR_CPUS) {