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| author | Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> | 2008-10-16 19:00:08 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-16 19:00:08 -0400 |
| commit | 89cedfefca1d446ee2598fd3bcbb23ee3802e26a (patch) | |
| tree | 8b64a39b4bc1fda76dfdecdb9c97d05a017c99c2 | |
| parent | addbad46ed0906cd584784423b9d0babc7476446 (diff) | |
| download | op-kernel-dev-89cedfefca1d446ee2598fd3bcbb23ee3802e26a.zip op-kernel-dev-89cedfefca1d446ee2598fd3bcbb23ee3802e26a.tar.gz | |
cpuidle: upon BIOS bug, default to default_idle rather than polling
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>
| -rw-r--r-- | arch/x86/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/cpuidle/cpuidle.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ed92864..f8caf04 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -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 diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index eb2cade..bb6e3b3 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -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; } |
