Merge tag 'parisc-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6

[cascardo/linux.git] / arch / x86 / kernel / smpboot.c

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 5104a2b..6e1e406 100644 (file)
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -50,6 +50,7 @@
 #include <linux/tboot.h>
 #include <linux/stackprotector.h>
 #include <linux/gfp.h>
+#include <linux/cpuidle.h>
 
 #include <asm/acpi.h>
 #include <asm/desc.h>
@@ -219,14 +220,9 @@ static void __cpuinit smp_callin(void)
         * Update loops_per_jiffy in cpu_data. Previous call to
         * smp_store_cpu_info() stored a value that is close but not as
         * accurate as the value just calculated.
-        *
-        * Need to enable IRQs because it can take longer and then
-        * the NMI watchdog might kill us.
         */
-       local_irq_enable();
        calibrate_delay();
        cpu_data(cpuid).loops_per_jiffy = loops_per_jiffy;
-       local_irq_disable();
        pr_debug("Stack at about %p\n", &cpuid);
 
        /*
@@ -1409,7 +1405,8 @@ void native_play_dead(void)
        tboot_shutdown(TB_SHUTDOWN_WFS);
 
        mwait_play_dead();      /* Only returns on failure */
-       hlt_play_dead();
+       if (cpuidle_play_dead())
+               hlt_play_dead();
 }
 
 #else /* ... !CONFIG_HOTPLUG_CPU */