2 files changed, 43 insertions, 12 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8e26c9069f15..331f4502e92b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -625,9 +625,17 @@ enum idle_type
 #define SD_WAKE_BALANCE         64      /* Perform balancing at task wakeup */
 #define SD_SHARE_CPUPOWER       128     /* Domain members share cpu power */
 #define SD_POWERSAVINGS_BALANCE 256     /* Balance for power savings */
+#define SD_SHARE_PKG_RESOURCES  512     /* Domain members share cpu pkg resources */
 
-#define BALANCE_FOR_POWER       ((sched_mc_power_savings || sched_smt_power_savings) \
-                                 ? SD_POWERSAVINGS_BALANCE : 0)
+#define BALANCE_FOR_MC_POWER    \
+        (sched_smt_power_savings ? SD_POWERSAVINGS_BALANCE : 0)
+
+#define BALANCE_FOR_PKG_POWER   \
+        ((sched_mc_power_savings || sched_smt_power_savings) ?  \
+         SD_POWERSAVINGS_BALANCE : 0)
+
+#define test_sd_parent(sd, flag)        ((sd->parent &&         \
+                                         (sd->parent->flags & flag)) ? 1 : 0)
 
 
 struct sched_group {
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 486bec23f986..da508d1998e4 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -115,6 +115,38 @@
 #endif
 #endif /* CONFIG_SCHED_SMT */
 
+#ifdef CONFIG_SCHED_MC
+/* Common values for MC siblings. for now mostly derived from SD_CPU_INIT */
+#ifndef SD_MC_INIT
+#define SD_MC_INIT (struct sched_domain) {              \
+        .span                   = CPU_MASK_NONE,        \
+        .parent                 = NULL,                 \
+        .child                  = NULL,                 \
+        .groups                 = NULL,                 \
+        .min_interval           = 1,                    \
+        .max_interval           = 4,                    \
+        .busy_factor            = 64,                   \
+        .imbalance_pct          = 125,                  \
+        .cache_nice_tries       = 1,                    \
+        .per_cpu_gain           = 100,                  \
+        .busy_idx               = 2,                    \
+        .idle_idx               = 1,                    \
+        .newidle_idx            = 2,                    \
+        .wake_idx               = 1,                    \
+        .forkexec_idx           = 1,                    \
+        .flags                  = SD_LOAD_BALANCE       \
+                                | SD_BALANCE_NEWIDLE    \
+                                | SD_BALANCE_EXEC       \
+                                | SD_WAKE_AFFINE        \
+                                | SD_SHARE_PKG_RESOURCES\
+                                | BALANCE_FOR_MC_POWER, \
+        .last_balance           = jiffies,              \
+        .balance_interval       = 1,                    \
+        .nr_balance_failed      = 0,                    \
+}
+#endif
+#endif /* CONFIG_SCHED_MC */
+
 /* Common values for CPUs */
 #ifndef SD_CPU_INIT
 #define SD_CPU_INIT (struct sched_domain) {             \
@@ -137,7 +169,7 @@
                                 | SD_BALANCE_NEWIDLE    \
                                 | SD_BALANCE_EXEC       \
                                 | SD_WAKE_AFFINE        \
-                                | BALANCE_FOR_POWER,    \
+                                | BALANCE_FOR_PKG_POWER,\
         .last_balance           = jiffies,              \
         .balance_interval       = 1,                    \
         .nr_balance_failed      = 0,                    \
@@ -168,15 +200,6 @@
         .nr_balance_failed      = 0,                    \
 }
 
-#ifdef CONFIG_SCHED_MC
-#ifndef SD_MC_INIT
-/* for now its same as SD_CPU_INIT.
- * TBD: Tune Domain parameters!
- */
-#define SD_MC_INIT   SD_CPU_INIT
-#endif
-#endif
-
 #ifdef CONFIG_NUMA
 #ifndef SD_NODE_INIT
 #error Please define an appropriate SD_NODE_INIT in include/asm/topology.h!!!