summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/include/asm/cpu.h4
-rw-r--r--arch/x86/kernel/topology.c27
3 files changed, 5 insertions, 27 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index dbdcfc708369..8330c4ac26b3 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -148,6 +148,7 @@ config X86
select GENERIC_CLOCKEVENTS_MIN_ADJUST
select GENERIC_CMOS_UPDATE
select GENERIC_CPU_AUTOPROBE
+ select GENERIC_CPU_DEVICES
select GENERIC_CPU_VULNERABILITIES
select GENERIC_EARLY_IOREMAP
select GENERIC_ENTRY
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index fecc4fe1d68a..f8f9a9b79395 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -23,10 +23,6 @@ static inline void prefill_possible_map(void) {}
#endif /* CONFIG_SMP */
-struct x86_cpu {
- struct cpu cpu;
-};
-
#ifdef CONFIG_HOTPLUG_CPU
extern void soft_restart_cpu(void);
#endif
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index fcb62cfdf946..c2ed3145a93b 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -35,36 +35,17 @@
#include <asm/io_apic.h>
#include <asm/cpu.h>
-static DEFINE_PER_CPU(struct x86_cpu, cpu_devices);
-
#ifdef CONFIG_HOTPLUG_CPU
int arch_register_cpu(int cpu)
{
- struct x86_cpu *xc = per_cpu_ptr(&cpu_devices, cpu);
+ struct cpu *c = per_cpu_ptr(&cpu_devices, cpu);
- xc->cpu.hotpluggable = cpu > 0;
- return register_cpu(&xc->cpu, cpu);
+ c->hotpluggable = cpu > 0;
+ return register_cpu(c, cpu);
}
void arch_unregister_cpu(int num)
{
- unregister_cpu(&per_cpu(cpu_devices, num).cpu);
-}
-#else /* CONFIG_HOTPLUG_CPU */
-
-int __init arch_register_cpu(int num)
-{
- return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
+ unregister_cpu(&per_cpu(cpu_devices, num));
}
#endif /* CONFIG_HOTPLUG_CPU */
-
-static int __init topology_init(void)
-{
- int i;
-
- for_each_present_cpu(i)
- arch_register_cpu(i);
-
- return 0;
-}
-subsys_initcall(topology_init);