unimore/kernel-hacking-2024-linux-steffo
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xen: make CPU hotplug functions static

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There's no need for these functions to be accessed from outside of xen/smp.c

Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alex Nixon 2008-09-08 13:43:34 +01:00 committed by Ingo Molnar
parent 2737146b3a
commit 26fd10517e
2 changed files with 6 additions and 10 deletions
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12
arch/x86/xen/smp.c
View file

@ -333,7 +333,7 @@ static void xen_smp_cpus_done(unsigned int max_cpus)
}
#ifdef CONFIG_HOTPLUG_CPU
int xen_cpu_disable(void)
static int xen_cpu_disable(void)
{
unsigned int cpu = smp_processor_id();
if (cpu == 0)
@ -345,7 +345,7 @@ int xen_cpu_disable(void)
return 0;
}
void xen_cpu_die(unsigned int cpu)
static void xen_cpu_die(unsigned int cpu)
{
while (HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL)) {
current->state = TASK_UNINTERRUPTIBLE;
@ -362,7 +362,7 @@ void xen_cpu_die(unsigned int cpu)
alternatives_smp_switch(0);
}
void xen_play_dead(void)
static void xen_play_dead(void)
{
play_dead_common();
HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
@ -370,17 +370,17 @@ void xen_play_dead(void)
}
#else /* !CONFIG_HOTPLUG_CPU */
int xen_cpu_disable(void)
static int xen_cpu_disable(void)
{
return -ENOSYS;
}
void xen_cpu_die(unsigned int cpu)
static void xen_cpu_die(unsigned int cpu)
{
BUG();
}
void xen_play_dead(void)
static void xen_play_dead(void)
{
BUG();
}

4
arch/x86/xen/xen-ops.h
View file

@ -51,10 +51,6 @@ void xen_mark_init_mm_pinned(void);
void __init xen_setup_vcpu_info_placement(void);
void xen_play_dead(void);
void xen_cpu_die(unsigned int cpu);
int xen_cpu_disable(void);
#ifdef CONFIG_SMP
void xen_smp_init(void);