1 files changed, 0 insertions, 44 deletions

diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index e5ecd20e72dd..2f355d229a58 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -141,46 +141,7 @@ void pvclock_read_wallclock(struct pvclock_wall_clock *wall_clock,
         set_normalized_timespec(ts, now.tv_sec, now.tv_nsec);
 }
 
-static struct pvclock_vsyscall_time_info *pvclock_vdso_info;
-
-static struct pvclock_vsyscall_time_info *
-pvclock_get_vsyscall_user_time_info(int cpu)
-{
-        if (!pvclock_vdso_info) {
-                BUG();
-                return NULL;
-        }
-
-        return &pvclock_vdso_info[cpu];
-}
-
-struct pvclock_vcpu_time_info *pvclock_get_vsyscall_time_info(int cpu)
-{
-        return &pvclock_get_vsyscall_user_time_info(cpu)->pvti;
-}
-
 #ifdef CONFIG_X86_64
-static int pvclock_task_migrate(struct notifier_block *nb, unsigned long l,
-                                void *v)
-{
-        struct task_migration_notifier *mn = v;
-        struct pvclock_vsyscall_time_info *pvti;
-
-        pvti = pvclock_get_vsyscall_user_time_info(mn->from_cpu);
-
-        /* this is NULL when pvclock vsyscall is not initialized */
-        if (unlikely(pvti == NULL))
-                return NOTIFY_DONE;
-
-        pvti->migrate_count++;
-
-        return NOTIFY_DONE;
-}
-
-static struct notifier_block pvclock_migrate = {
-        .notifier_call = pvclock_task_migrate,
-};
-
 /*
  * Initialize the generic pvclock vsyscall state.  This will allocate
  * a/some page(s) for the per-vcpu pvclock information, set up a
@@ -194,17 +155,12 @@ int __init pvclock_init_vsyscall(struct pvclock_vsyscall_time_info *i,
 
         WARN_ON (size != PVCLOCK_VSYSCALL_NR_PAGES*PAGE_SIZE);
 
-        pvclock_vdso_info = i;
-
         for (idx = 0; idx <= (PVCLOCK_FIXMAP_END-PVCLOCK_FIXMAP_BEGIN); idx++) {
                 __set_fixmap(PVCLOCK_FIXMAP_BEGIN + idx,
                              __pa(i) + (idx*PAGE_SIZE),
                              PAGE_KERNEL_VVAR);
         }
 
-
-        register_task_migration_notifier(&pvclock_migrate);
-
         return 0;
 }
 #endif