Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

[pandora-kernel.git] / arch / x86_64 / kernel / smpboot.c

diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 4e97551..b7c7059 100644 (file)
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -38,7 +38,6 @@
  */
 
 
-#include <linux/config.h>
 #include <linux/init.h>
 
 #include <linux/mm.h>
@@ -455,10 +454,12 @@ cpumask_t cpu_coregroup_map(int cpu)
        struct cpuinfo_x86 *c = cpu_data + cpu;
        /*
         * For perf, we return last level cache shared map.
-        * TBD: when power saving sched policy is added, we will return
-        *      cpu_core_map when power saving policy is enabled
+        * And for power savings, we return cpu_core_map
         */
-       return c->llc_shared_map;
+       if (sched_mc_power_savings || sched_smt_power_savings)
+               return cpu_core_map[cpu];
+       else
+               return c->llc_shared_map;
 }
 
 /* representing cpus for which sibling maps can be computed */
@@ -774,6 +775,8 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
        };
        DECLARE_WORK(work, do_fork_idle, &c_idle);
 
+       lockdep_set_class(&c_idle.done.wait.lock, &waitqueue_lock_key);
+
        /* allocate memory for gdts of secondary cpus. Hotplug is considered */
        if (!cpu_gdt_descr[cpu].address &&
                !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) {