Messages in this thread Patch in this message | | | Date | Wed, 4 Feb 2009 10:46:30 -0800 | From | Greg KH <> | Subject | [patch 21/41] cpuidle: upon BIOS bug, default to default_idle rather than polling |
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2.6.27-stable review patch. If anyone has any objections, please let us know.
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From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
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>
--- arch/x86/Kconfig | 3 +++ drivers/cpuidle/cpuidle.c | 4 ++++ 2 files changed, 7 insertions(+)
--- 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 --- 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; }
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