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| author | Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> | 2009-01-27 17:38:44 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-02-06 14:00:40 -0800 |
| commit | 7ab17915a271c29a7b8ca0383597a80866cf023c (patch) | |
| tree | 708cf74d855e2fe07a5b08e0adaa14cdfd248340 | |
| parent | fc2e4009300088813c3be2de80b01ddc2399999e (diff) | |
| download | lwn-7ab17915a271c29a7b8ca0383597a80866cf023c.tar.gz lwn-7ab17915a271c29a7b8ca0383597a80866cf023c.zip | |
cpuidle: upon BIOS bug, default to default_idle rather than polling
commit 89cedfefca1d446ee2598fd3bcbb23ee3802e26a upstream
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>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -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 388bae2bff8f..d0561fe569d7 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 5ce07b517c58..19e746a7a0f7 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; } |