Merge branch 'linus' into sched/core

Merge reason: pick up the latest scheduler fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

12 files changed, 66 insertions, 26 deletions

diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index 5479fdc849e9..514ed45c462e 100644
--- a/include/linux/amba/serial.h
+++ b/include/linux/amba/serial.h
@@ -201,6 +201,9 @@ struct amba_pl011_data {
 	bool (*dma_filter)(struct dma_chan *chan, void *filter_param);
 	void *dma_rx_param;
 	void *dma_tx_param;
+        void (*init) (void);
+	void (*exit) (void);
+	void (*reset) (void);
 };
 #endif
 
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 7c60d0942adb..f696bccd48cb 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -44,7 +44,7 @@
 #define CN_VAL_DRBD			0x1
 #define CN_KVP_IDX			0x9	/* HyperV KVP */
 
-#define CN_NETLINK_USERS		9
+#define CN_NETLINK_USERS		10	/* Highest index + 1 */
 
 /*
  * Maximum connector's message size.
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 246f576c981d..447c36752385 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -117,10 +117,10 @@
 /* drbdsetup XY resize -d Z
  * you are free to reduce the device size to nothing, if you want to.
  * the upper limit with 64bit kernel, enough ram and flexible meta data
- * is 16 TB, currently. */
+ * is 1 PiB, currently. */
 /* DRBD_MAX_SECTORS */
 #define DRBD_DISK_SIZE_SECT_MIN  0
-#define DRBD_DISK_SIZE_SECT_MAX  (16 * (2LLU << 30))
+#define DRBD_DISK_SIZE_SECT_MAX  (1 * (2LLU << 40))
 #define DRBD_DISK_SIZE_SECT_DEF  0 /* = disabled = no user size... */
 
 #define DRBD_ON_IO_ERROR_DEF EP_PASS_ON
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index 7c4d72f5581f..9ec20dec3353 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -204,6 +204,8 @@ extern bool __fscache_check_page_write(struct fscache_cookie *, struct page *);
 extern void __fscache_wait_on_page_write(struct fscache_cookie *, struct page *);
 extern bool __fscache_maybe_release_page(struct fscache_cookie *, struct page *,
 					 gfp_t);
+extern void __fscache_uncache_all_inode_pages(struct fscache_cookie *,
+					      struct inode *);
 
 /**
  * fscache_register_netfs - Register a filesystem as desiring caching services
@@ -643,4 +645,23 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie,
 	return false;
 }
 
+/**
+ * fscache_uncache_all_inode_pages - Uncache all an inode's pages
+ * @cookie: The cookie representing the inode's cache object.
+ * @inode: The inode to uncache pages from.
+ *
+ * Uncache all the pages in an inode that are marked PG_fscache, assuming them
+ * to be associated with the given cookie.
+ *
+ * This function may sleep.  It will wait for pages that are being written out
+ * and will wait whilst the PG_fscache mark is removed by the cache.
+ */
+static inline
+void fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
+				     struct inode *inode)
+{
+	if (fscache_cookie_valid(cookie))
+		__fscache_uncache_all_inode_pages(cookie, inode);
+}
+
 #endif /* _LINUX_FSCACHE_H */
diff --git a/include/linux/fsl-diu-fb.h b/include/linux/fsl-diu-fb.h
index 781d4671415f..daa9952d2174 100644
--- a/include/linux/fsl-diu-fb.h
+++ b/include/linux/fsl-diu-fb.h
@@ -24,12 +24,6 @@
  * See mpc8610fb_set_par(), map_video_memory(), and unmap_video_memory()
  */
 #define MEM_ALLOC_THRESHOLD (1024*768*4+32)
-/* Minimum value that the pixel clock can be set to in pico seconds
- * This is determined by platform clock/3 where the minimum platform
- * clock is 533MHz. This gives 5629 pico seconds.
- */
-#define MIN_PIX_CLK 5629
-#define MAX_PIX_CLK 96096
 
 #include <linux/types.h>
 
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8b4538446636..baa397eb9c33 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -676,7 +676,8 @@ void irq_gc_mask_disable_reg(struct irq_data *d);
 void irq_gc_mask_set_bit(struct irq_data *d);
 void irq_gc_mask_clr_bit(struct irq_data *d);
 void irq_gc_unmask_enable_reg(struct irq_data *d);
-void irq_gc_ack(struct irq_data *d);
+void irq_gc_ack_set_bit(struct irq_data *d);
+void irq_gc_ack_clr_bit(struct irq_data *d);
 void irq_gc_mask_disable_reg_and_ack(struct irq_data *d);
 void irq_gc_eoi(struct irq_data *d);
 int irq_gc_set_wake(struct irq_data *d, unsigned int on);
diff --git a/include/linux/memory.h b/include/linux/memory.h
index e1e3b2b84f85..935699b30b7c 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -20,6 +20,8 @@
 #include <linux/compiler.h>
 #include <linux/mutex.h>
 
+#define MIN_MEMORY_BLOCK_SIZE     (1 << SECTION_SIZE_BITS)
+
 struct memory_block {
 	unsigned long start_section_nr;
 	unsigned long end_section_nr;
diff --git a/include/linux/mfd/ds1wm.h b/include/linux/mfd/ds1wm.h
index be469a357cbb..38a372a0e285 100644
--- a/include/linux/mfd/ds1wm.h
+++ b/include/linux/mfd/ds1wm.h
@@ -3,4 +3,11 @@
 struct ds1wm_driver_data {
 	int active_high;
 	int clock_rate;
+	/* in milliseconds, the amount of time to */
+	/* sleep following a reset pulse. Zero    */
+	/* should work if your bus devices recover*/
+	/* time respects the 1-wire spec since the*/
+	/* ds1wm implements the precise timings of*/
+	/* a reset pulse/presence detect sequence.*/
+	unsigned int reset_recover_delay;
 };
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index c6927a4d157f..6ad43554ac05 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -64,6 +64,19 @@ struct mmc_ext_csd {
 	unsigned long long	enhanced_area_offset;	/* Units: Byte */
 	unsigned int		enhanced_area_size;	/* Units: KB */
 	unsigned int		boot_size;		/* in bytes */
+	u8			raw_partition_support;	/* 160 */
+	u8			raw_erased_mem_count;	/* 181 */
+	u8			raw_ext_csd_structure;	/* 194 */
+	u8			raw_card_type;		/* 196 */
+	u8			raw_s_a_timeout;		/* 217 */
+	u8			raw_hc_erase_gap_size;	/* 221 */
+	u8			raw_erase_timeout_mult;	/* 223 */
+	u8			raw_hc_erase_grp_size;	/* 224 */
+	u8			raw_sec_trim_mult;	/* 229 */
+	u8			raw_sec_erase_mult;	/* 230 */
+	u8			raw_sec_feature_support;/* 231 */
+	u8			raw_trim_mult;		/* 232 */
+	u8			raw_sectors[4];		/* 212 - 4 bytes */
 };
 
 struct sd_scr {
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 54b8b4d7b68f..9e19477991ad 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1097,12 +1097,6 @@ struct net_device {
 #define NETIF_F_ALL_FCOE	(NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
 				 NETIF_F_FSO)
 
-#define NETIF_F_ALL_TX_OFFLOADS	(NETIF_F_ALL_CSUM | NETIF_F_SG | \
-				 NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \
-				 NETIF_F_HIGHDMA | \
-				 NETIF_F_SCTP_CSUM | \
-				 NETIF_F_ALL_FCOE)
-
 	/*
 	 * If one device supports one of these features, then enable them
 	 * for all in netdev_increment_features.
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9a9beef3c0fd..341a4d78ddaa 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -808,7 +808,7 @@ enum cpu_idle_type {
  * when BITS_PER_LONG <= 32 are pretty high and the returns do not justify the
  * increased costs.
  */
-#if BITS_PER_LONG > 32
+#if 0 /* BITS_PER_LONG > 32 -- currently broken: it increases power usage under light load  */
 # define SCHED_LOAD_RESOLUTION	10
 # define scale_load(w)		((w) << SCHED_LOAD_RESOLUTION)
 # define scale_load_down(w)	((w) >> SCHED_LOAD_RESOLUTION)
@@ -844,6 +844,7 @@ enum cpu_idle_type {
 #define SD_SERIALIZE		0x0400	/* Only a single load balancing instance */
 #define SD_ASYM_PACKING		0x0800  /* Place busy groups earlier in the domain */
 #define SD_PREFER_SIBLING	0x1000	/* Prefer to place tasks in a sibling domain */
+#define SD_OVERLAP		0x2000	/* sched_domains of this level overlap */
 
 enum powersavings_balance_level {
 	POWERSAVINGS_BALANCE_NONE = 0,  /* No power saving load balance */
@@ -893,16 +894,21 @@ static inline int sd_power_saving_flags(void)
 	return 0;
 }
 
-struct sched_group {
-	struct sched_group *next;	/* Must be a circular list */
+struct sched_group_power {
 	atomic_t ref;
-
 	/*
 	 * CPU power of this group, SCHED_LOAD_SCALE being max power for a
 	 * single CPU.
 	 */
-	unsigned int cpu_power, cpu_power_orig;
+	unsigned int power, power_orig;
+};
+
+struct sched_group {
+	struct sched_group *next;	/* Must be a circular list */
+	atomic_t ref;
+
 	unsigned int group_weight;
+	struct sched_group_power *sgp;
 
 	/*
 	 * The CPUs this group covers.
@@ -1254,6 +1260,9 @@ struct task_struct {
 #ifdef CONFIG_PREEMPT_RCU
 	int rcu_read_lock_nesting;
 	char rcu_read_unlock_special;
+#if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU)
+	int rcu_boosted;
+#endif /* #if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU) */
 	struct list_head rcu_node_entry;
 #endif /* #ifdef CONFIG_PREEMPT_RCU */
 #ifdef CONFIG_TREE_PREEMPT_RCU
diff --git a/include/linux/sdla.h b/include/linux/sdla.h
index 564acd3a71c1..9995c7fc3f60 100644
--- a/include/linux/sdla.h
+++ b/include/linux/sdla.h
@@ -112,11 +112,7 @@ struct sdla_dlci_conf {
    short Tb_max;
 };
 
-#ifndef __KERNEL__
-
-void sdla(void *cfg_info, char *dev, struct frad_conf *conf, int quiet);
-
-#else
+#ifdef __KERNEL__
 
 /* important Z80 window addresses */
 #define SDLA_CONTROL_WND		0xE000