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cpuidle: upon BIOS bug, default to default_idle rather than polling

Browse source 
http://bugzilla.kernel.org/show_bug.cgi?id=11345

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Venkatesh Pallipadi 2008-10-16 19:00:08 -04:00 committed by Len Brown
parent addbad46ed
commit 89cedfefca
2 changed files with 7 additions and 0 deletions
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3
arch/x86/Kconfig
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@ -123,6 +123,9 @@ config GENERIC_TIME_VSYSCALL
config ARCH_HAS_CPU_RELAX
def_bool y
config ARCH_HAS_DEFAULT_IDLE
def_bool y
config ARCH_HAS_CACHE_LINE_SIZE
def_bool y

4
drivers/cpuidle/cpuidle.c
View file

@ -56,7 +56,11 @@ static void cpuidle_idle_call(void)
if (pm_idle_old)
pm_idle_old();
else
#if defined(CONFIG_ARCH_HAS_DEFAULT_IDLE)
default_idle();
#else
local_irq_enable();
#endif
return;
}