Merge branch 'forcedeth'

2 files changed, 13 insertions, 4 deletions

diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 4e90905f0e..2d9d08f72f 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -153,13 +153,11 @@ static int swsusp_swap_check(void) /* This is called before saving image */
 {
         int i;
 
-        if (!swsusp_resume_device)
-                return -ENODEV;
         spin_lock(&swap_lock);
         for (i = 0; i < MAX_SWAPFILES; i++) {
                 if (!(swap_info[i].flags & SWP_WRITEOK))
                         continue;
-                if (is_resume_device(swap_info + i)) {
+                if (!swsusp_resume_device || is_resume_device(swap_info + i)) {
                         spin_unlock(&swap_lock);
                         root_swap = i;
                         return 0;
diff --git a/kernel/sched.c b/kernel/sched.c
index 66d957227d..12d291bf33 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5058,7 +5058,18 @@ static void init_sched_build_groups(struct sched_group groups[], cpumask_t span,
 #define MAX_DOMAIN_DISTANCE 32
 
 static unsigned long long migration_cost[MAX_DOMAIN_DISTANCE] =
-                { [ 0 ... MAX_DOMAIN_DISTANCE-1 ] = -1LL };
+                { [ 0 ... MAX_DOMAIN_DISTANCE-1 ] =
+/*
+ * Architectures may override the migration cost and thus avoid
+ * boot-time calibration. Unit is nanoseconds. Mostly useful for
+ * virtualized hardware:
+ */
+#ifdef CONFIG_DEFAULT_MIGRATION_COST
+                        CONFIG_DEFAULT_MIGRATION_COST
+#else
+                        -1LL
+#endif
+};
 
 /*
  * Allow override of migration cost - in units of microseconds.