[PATCH 16/21] x86/topology: convert to use arch_cpu_is_hotpluggable()

Russell King (Oracle)
2023-11-21T13:45:22Z

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

Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
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