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cpuidle: replace xen access to x86 pm_idle and default_idle

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When a Xen Dom0 kernel boots on a hypervisor, it gets access
to the raw-hardware ACPI tables.  While it parses the idle tables
for the hypervisor's beneift, it uses HLT for its own idle.

Rather than have xen scribble on pm_idle and access default_idle,
have it simply disable_cpuidle() so acpi_idle will not load and
architecture default HLT will be used.

cc: [email protected]
Tested-by: Konrad Rzeszutek Wilk <[email protected]>
Acked-by: H. Peter Anvin <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Len Brown 2011-04-01 18:28:35 -04:00
commit d91ee5863b
3 changed files with 8 additions and 1 deletions
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4
drivers/cpuidle/cpuidle.c
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@ -34,6 +34,10 @@ int cpuidle_disabled(void)
{
return off;
}
void disable_cpuidle(void)
{
off = 1;
}
#if defined(CONFIG_ARCH_HAS_CPU_IDLE_WAIT)
static void cpuidle_kick_cpus(void)