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xen idle: make xen-specific macro xen-specific

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This macro is only invoked by Xen,
so make its definition specific to Xen.

> set_pm_idle_to_default()
< xen_set_default_idle()

Signed-off-by: Len Brown <len.brown@intel.com>
Cc: xen-devel@lists.xensource.com
This commit is contained in:
Len Brown 2013-02-09 23:08:07 -05:00
commit 6a377ddc4e
3 changed files with 9 additions and 3 deletions
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6
arch/x86/include/asm/processor.h
View file

@ -998,7 +998,11 @@ extern unsigned long arch_align_stack(unsigned long sp);
extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
void default_idle(void);
bool set_pm_idle_to_default(void);
#ifdef CONFIG_XEN
bool xen_set_default_idle(void);
#else
#define xen_set_default_idle 0
#endif
void stop_this_cpu(void *dummy);

4
arch/x86/kernel/process.c
View file

@ -396,7 +396,8 @@ void default_idle(void)
EXPORT_SYMBOL(default_idle);
#endif
bool set_pm_idle_to_default(void)
#ifdef CONFIG_XEN
bool xen_set_default_idle(void)
{
bool ret = !!pm_idle;
@ -404,6 +405,7 @@ bool set_pm_idle_to_default(void)
return ret;
}
#endif
void stop_this_cpu(void *dummy)
{
local_irq_disable();

2
arch/x86/xen/setup.c
View file

@ -561,7 +561,7 @@ void __init xen_arch_setup(void)
#endif
disable_cpuidle();
disable_cpufreq();
WARN_ON(set_pm_idle_to_default());
WARN_ON(xen_set_default_idle());
fiddle_vdso();
#ifdef CONFIG_NUMA
numa_off = 1;