[PATCH RFC 17/22] x86/topology: convert to use arch_cpu_is_hotpluggable()

Convert x86 to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Signed-off-by: Russell King (Oracle) <[email protected]>
---
 arch/x86/kernel/topology.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index 211863cb5b81..d42c28b8bfd8 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -36,11 +36,8 @@
 #include <asm/cpu.h>
 
 #ifdef CONFIG_HOTPLUG_CPU
-int arch_register_cpu(int cpu)
+bool arch_cpu_is_hotpluggable(int cpu)
 {
-	struct cpu *c = per_cpu_ptr(&cpu_devices, cpu);
-
-	c->hotpluggable = cpu > 0;
-	return register_cpu(c, cpu);
+	return cpu > 0;
 }
 #endif /* CONFIG_HOTPLUG_CPU */
-- 
2.30.2