Commit 89cedfef authored by Venkatesh Pallipadi's avatar Venkatesh Pallipadi Committed by Len Brown
Browse files

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

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



Signed-off-by: default avatarVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent addbad46

arch/x86/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -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

drivers/cpuidle/cpuidle.c

+4 −0
Original line number Diff line number Diff line
@@ -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;

	}