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x86, xen: fix build when !CONFIG_HOTPLUG_CPU

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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 13:43:33 +01:00 committed by Ingo Molnar
parent cc643d4687
commit 2737146b3a
1 changed files with 18 additions and 0 deletions
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18
arch/x86/xen/smp.c
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@ -332,6 +332,7 @@ static void xen_smp_cpus_done(unsigned int max_cpus)
{ {
} }
#ifdef CONFIG_HOTPLUG_CPU
int xen_cpu_disable(void) int xen_cpu_disable(void)
{ {
unsigned int cpu = smp_processor_id(); unsigned int cpu = smp_processor_id();
@ -368,6 +369,23 @@ void xen_play_dead(void)
cpu_bringup(); cpu_bringup();
} }
#else /* !CONFIG_HOTPLUG_CPU */
int xen_cpu_disable(void)
{
return -ENOSYS;
}
void xen_cpu_die(unsigned int cpu)
{
BUG();
}
void xen_play_dead(void)
{
BUG();
}
#endif
static void stop_self(void *v) static void stop_self(void *v)
{ {
int cpu = smp_processor_id(); int cpu = smp_processor_id();