Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next

Pull scheduler updates from Ingo Molnar:
 "The main scheduling related changes in this cycle were:

   - various sched/numa updates, for better performance

   - tree wide cleanup of open coded nice levels

   - nohz fix related to rq->nr_running use

   - cpuidle changes and continued consolidation to improve the
     kernel/sched/idle.c high level idle scheduling logic.  As part of
     this effort I pulled cpuidle driver changes from Rafael as well.

   - standardized idle polling amongst architectures

   - continued work on preparing better power/energy aware scheduling

   - sched/rt updates

   - misc fixlets and cleanups"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (49 commits)
  sched/numa: Decay ->wakee_flips instead of zeroing
  sched/numa: Update migrate_improves/degrades_locality()
  sched/numa: Allow task switch if load imbalance improves
  sched/rt: Fix 'struct sched_dl_entity' and dl_task_time() comments, to match the current upstream code
  sched: Consolidate open coded implementations of nice level frobbing into nice_to_rlimit() and rlimit_to_nice()
  sched: Initialize rq->age_stamp on processor start
  sched, nohz: Change rq->nr_running to always use wrappers
  sched: Fix the rq->next_balance logic in rebalance_domains() and idle_balance()
  sched: Use clamp() and clamp_val() to make sys_nice() more readable
  sched: Do not zero sg->cpumask and sg->sgp->power in build_sched_groups()
  sched/numa: Fix initialization of sched_domain_topology for NUMA
  sched: Call select_idle_sibling() when not affine_sd
  sched: Simplify return logic in sched_read_attr()
  sched: Simplify return logic in sched_copy_attr()
  sched: Fix exec_start/task_hot on migrated tasks
  arm64: Remove TIF_POLLING_NRFLAG
  metag: Remove TIF_POLLING_NRFLAG
  sched/idle: Make cpuidle_idle_call() void
  sched/idle: Reflow cpuidle_idle_call()
  sched/idle: Delay clearing the polling bit
  ...

2 files changed, 2 insertions, 34 deletions

diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index 729aa107f64e..d767ff9f59b9 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -129,6 +129,7 @@ extern void _cpu_idle(void);
 #define TIF_MEMDIE              7       /* OOM killer at work */
 #define TIF_NOTIFY_RESUME       8       /* callback before returning to user */
 #define TIF_SYSCALL_TRACEPOINT  9       /* syscall tracepoint instrumentation */
+#define TIF_POLLING_NRFLAG      10      /* idle is polling for TIF_NEED_RESCHED */
 
 #define _TIF_SIGPENDING         (1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1<<TIF_NEED_RESCHED)
@@ -140,6 +141,7 @@ extern void _cpu_idle(void);
 #define _TIF_MEMDIE             (1<<TIF_MEMDIE)
 #define _TIF_NOTIFY_RESUME      (1<<TIF_NOTIFY_RESUME)
 #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
+#define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 
 /* Work to do on any return to user space. */
 #define _TIF_ALLWORK_MASK \
@@ -162,7 +164,6 @@ extern void _cpu_idle(void);
 #ifdef __tilegx__
 #define TS_COMPAT               0x0001  /* 32-bit compatibility mode */
 #endif
-#define TS_POLLING              0x0004  /* in idle loop but not sleeping */
 #define TS_RESTORE_SIGMASK      0x0008  /* restore signal mask in do_signal */
 
 #ifndef __ASSEMBLY__
diff --git a/arch/tile/include/asm/topology.h b/arch/tile/include/asm/topology.h
index d15c0d8d550f..938311844233 100644
--- a/arch/tile/include/asm/topology.h
+++ b/arch/tile/include/asm/topology.h
@@ -44,39 +44,6 @@ static inline const struct cpumask *cpumask_of_node(int node)
 /* For now, use numa node -1 for global allocation. */
 #define pcibus_to_node(bus)             ((void)(bus), -1)
 
-/*
- * TILE architecture has many cores integrated in one processor, so we need
- * setup bigger balance_interval for both CPU/NODE scheduling domains to
- * reduce process scheduling costs.
- */
-
-/* sched_domains SD_CPU_INIT for TILE architecture */
-#define SD_CPU_INIT (struct sched_domain) {                             \
-        .min_interval           = 4,                                    \
-        .max_interval           = 128,                                  \
-        .busy_factor            = 64,                                   \
-        .imbalance_pct          = 125,                                  \
-        .cache_nice_tries       = 1,                                    \
-        .busy_idx               = 2,                                    \
-        .idle_idx               = 1,                                    \
-        .newidle_idx            = 0,                                    \
-        .wake_idx               = 0,                                    \
-        .forkexec_idx           = 0,                                    \
-                                                                        \
-        .flags                  = 1*SD_LOAD_BALANCE                     \
-                                | 1*SD_BALANCE_NEWIDLE                  \
-                                | 1*SD_BALANCE_EXEC                     \
-                                | 1*SD_BALANCE_FORK                     \
-                                | 0*SD_BALANCE_WAKE                     \
-                                | 0*SD_WAKE_AFFINE                      \
-                                | 0*SD_SHARE_CPUPOWER                   \
-                                | 0*SD_SHARE_PKG_RESOURCES              \
-                                | 0*SD_SERIALIZE                        \
-                                ,                                       \
-        .last_balance           = jiffies,                              \
-        .balance_interval       = 32,                                   \
-}
-
 /* By definition, we create nodes based on online memory. */
 #define node_has_online_mem(nid) 1