24 files changed, 202 insertions, 163 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 408da950217..8f7a3d68371 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -297,10 +297,12 @@ enum {
 	ATA_LOG_SATA_NCQ	= 0x10,
 	ATA_LOG_SATA_ID_DEV_DATA  = 0x30,
 	ATA_LOG_SATA_SETTINGS	  = 0x08,
-	ATA_LOG_DEVSLP_MDAT	  = 0x30,
+	ATA_LOG_DEVSLP_OFFSET	  = 0x30,
+	ATA_LOG_DEVSLP_SIZE	  = 0x08,
+	ATA_LOG_DEVSLP_MDAT	  = 0x00,
 	ATA_LOG_DEVSLP_MDAT_MASK  = 0x1F,
-	ATA_LOG_DEVSLP_DETO	  = 0x31,
-	ATA_LOG_DEVSLP_VALID	  = 0x37,
+	ATA_LOG_DEVSLP_DETO	  = 0x01,
+	ATA_LOG_DEVSLP_VALID	  = 0x07,
 	ATA_LOG_DEVSLP_VALID_MASK = 0x80,
 
 	/* READ/WRITE LONG (obsolete) */
diff --git a/include/linux/audit.h b/include/linux/audit.h
index bce729afbcf..5a6d718adf3 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -24,6 +24,7 @@
 #define _LINUX_AUDIT_H_
 
 #include <linux/sched.h>
+#include <linux/ptrace.h>
 #include <uapi/linux/audit.h>
 
 struct audit_sig_info {
@@ -157,7 +158,8 @@ void audit_core_dumps(long signr);
 
 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
 {
-	if (unlikely(!audit_dummy_context()))
+	/* Force a record to be reported if a signal was delivered. */
+	if (signr || unlikely(!audit_dummy_context()))
 		__audit_seccomp(syscall, signr, code);
 }
 
diff --git a/include/linux/bcm2835_timer.h b/include/linux/bcm2835_timer.h
deleted file mode 100644
index ca17aa81700..00000000000
--- a/include/linux/bcm2835_timer.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright 2012 Simon Arlott
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __BCM2835_TIMER_H
-#define __BCM2835_TIMER_H
-
-#include <asm/mach/time.h>
-
-extern void bcm2835_timer_init(void);
-
-#endif
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 7944f14ea94..27cfda427dd 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -339,6 +339,8 @@ extern void clocksource_of_init(void);
 	static const struct of_device_id __clksrc_of_table_##name	\
 		__used __section(__clksrc_of_table)			\
 		 = { .compatible = compat, .data = fn };
+#else
+#define CLOCKSOURCE_OF_DECLARE(name, compat, fn)
 #endif
 
 #endif /* _LINUX_CLOCKSOURCE_H */
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 6ecb6dc2f30..cc7bddeaf55 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -22,7 +22,7 @@ extern int sysctl_extfrag_handler(struct ctl_table *table, int write,
 extern int fragmentation_index(struct zone *zone, unsigned int order);
 extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
 			int order, gfp_t gfp_mask, nodemask_t *mask,
-			bool sync, bool *contended, struct page **page);
+			bool sync, bool *contended);
 extern int compact_pgdat(pg_data_t *pgdat, int order);
 extern void reset_isolation_suitable(pg_data_t *pgdat);
 extern unsigned long compaction_suitable(struct zone *zone, int order);
@@ -75,7 +75,7 @@ static inline bool compaction_restarting(struct zone *zone, int order)
 #else
 static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
 			int order, gfp_t gfp_mask, nodemask_t *nodemask,
-			bool sync, bool *contended, struct page **page)
+			bool sync, bool *contended)
 {
 	return COMPACT_CONTINUE;
 }
diff --git a/include/linux/cpu_rmap.h b/include/linux/cpu_rmap.h
index ac3bbb5b950..1739510d899 100644
--- a/include/linux/cpu_rmap.h
+++ b/include/linux/cpu_rmap.h
@@ -13,9 +13,11 @@
 #include <linux/cpumask.h>
 #include <linux/gfp.h>
 #include <linux/slab.h>
+#include <linux/kref.h>
 
 /**
  * struct cpu_rmap - CPU affinity reverse-map
+ * @refcount: kref for object
  * @size: Number of objects to be reverse-mapped
  * @used: Number of objects added
  * @obj: Pointer to array of object pointers
@@ -23,6 +25,7 @@
  *      based on affinity masks
  */
 struct cpu_rmap {
+	struct kref	refcount;
 	u16		size, used;
 	void		**obj;
 	struct {
@@ -33,15 +36,7 @@ struct cpu_rmap {
 #define CPU_RMAP_DIST_INF 0xffff
 
 extern struct cpu_rmap *alloc_cpu_rmap(unsigned int size, gfp_t flags);
-
-/**
- * free_cpu_rmap - free CPU affinity reverse-map
- * @rmap: Reverse-map allocated with alloc_cpu_rmap(), or %NULL
- */
-static inline void free_cpu_rmap(struct cpu_rmap *rmap)
-{
-	kfree(rmap);
-}
+extern int cpu_rmap_put(struct cpu_rmap *rmap);
 
 extern int cpu_rmap_add(struct cpu_rmap *rmap, void *obj);
 extern int cpu_rmap_update(struct cpu_rmap *rmap, u16 index,
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 3711b34dc4f..24cd1037b6d 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -126,9 +126,9 @@ struct cpuidle_driver {
 	struct module 		*owner;
 	int                     refcnt;
 
-	unsigned int		power_specified:1;
 	/* set to 1 to use the core cpuidle time keeping (for all states). */
 	unsigned int		en_core_tk_irqen:1;
+	/* states array must be ordered in decreasing power consumption */
 	struct cpuidle_state	states[CPUIDLE_STATE_MAX];
 	int			state_count;
 	int			safe_state_index;
diff --git a/include/linux/init.h b/include/linux/init.h
index a799273714a..10ed4f43645 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -93,14 +93,6 @@
 
 #define __exit          __section(.exit.text) __exitused __cold notrace
 
-/* Used for HOTPLUG, but that is always enabled now, so just make them noops */
-#define __devinit
-#define __devinitdata
-#define __devinitconst
-#define __devexit
-#define __devexitdata
-#define __devexitconst
-
 /* Used for HOTPLUG_CPU */
 #define __cpuinit        __section(.cpuinit.text) __cold notrace
 #define __cpuinitdata    __section(.cpuinit.data)
@@ -337,18 +329,6 @@ void __init parse_early_options(char *cmdline);
 #define __INITRODATA_OR_MODULE __INITRODATA
 #endif /*CONFIG_MODULES*/
 
-/* Functions marked as __devexit may be discarded at kernel link time, depending
-   on config options.  Newer versions of binutils detect references from
-   retained sections to discarded sections and flag an error.  Pointers to
-   __devexit functions must use __devexit_p(function_name), the wrapper will
-   insert either the function_name or NULL, depending on the config options.
- */
-#if defined(MODULE) || defined(CONFIG_HOTPLUG)
-#define __devexit_p(x) x
-#else
-#define __devexit_p(x) NULL
-#endif
-
 #ifdef MODULE
 #define __exit_p(x) x
 #else
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 5e4e6170f43..5fa5afeeb75 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -268,11 +268,6 @@ struct irq_affinity_notify {
 extern int
 irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify);
 
-static inline void irq_run_affinity_notifiers(void)
-{
-	flush_scheduled_work();
-}
-
 #else /* CONFIG_SMP */
 
 static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m)
diff --git a/include/linux/irqchip.h b/include/linux/irqchip.h
new file mode 100644
index 00000000000..e0006f1d35a
--- /dev/null
+++ b/include/linux/irqchip.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2012 Thomas Petazzoni
+ *
+ * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef _LINUX_IRQCHIP_H
+#define _LINUX_IRQCHIP_H
+
+void irqchip_init(void);
+
+#endif
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
new file mode 100644
index 00000000000..a67ca55e6f4
--- /dev/null
+++ b/include/linux/irqchip/arm-gic.h
@@ -0,0 +1,48 @@
+/*
+ *  include/linux/irqchip/arm-gic.h
+ *
+ *  Copyright (C) 2002 ARM Limited, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __LINUX_IRQCHIP_ARM_GIC_H
+#define __LINUX_IRQCHIP_ARM_GIC_H
+
+#define GIC_CPU_CTRL			0x00
+#define GIC_CPU_PRIMASK			0x04
+#define GIC_CPU_BINPOINT		0x08
+#define GIC_CPU_INTACK			0x0c
+#define GIC_CPU_EOI			0x10
+#define GIC_CPU_RUNNINGPRI		0x14
+#define GIC_CPU_HIGHPRI			0x18
+
+#define GIC_DIST_CTRL			0x000
+#define GIC_DIST_CTR			0x004
+#define GIC_DIST_ENABLE_SET		0x100
+#define GIC_DIST_ENABLE_CLEAR		0x180
+#define GIC_DIST_PENDING_SET		0x200
+#define GIC_DIST_PENDING_CLEAR		0x280
+#define GIC_DIST_ACTIVE_BIT		0x300
+#define GIC_DIST_PRI			0x400
+#define GIC_DIST_TARGET			0x800
+#define GIC_DIST_CONFIG			0xc00
+#define GIC_DIST_SOFTINT		0xf00
+
+struct device_node;
+
+extern struct irq_chip gic_arch_extn;
+
+void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
+		    u32 offset, struct device_node *);
+void gic_secondary_init(unsigned int);
+void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
+
+static inline void gic_init(unsigned int nr, int start,
+			    void __iomem *dist , void __iomem *cpu)
+{
+	gic_init_bases(nr, start, dist, cpu, 0, NULL);
+}
+
+#endif
diff --git a/include/linux/irqchip/arm-vic.h b/include/linux/irqchip/arm-vic.h
new file mode 100644
index 00000000000..e3c82dc9575
--- /dev/null
+++ b/include/linux/irqchip/arm-vic.h
@@ -0,0 +1,36 @@
+/*
+ *  arch/arm/include/asm/hardware/vic.h
+ *
+ *  Copyright (c) ARM Limited 2003.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARM_HARDWARE_VIC_H
+#define __ASM_ARM_HARDWARE_VIC_H
+
+#include <linux/types.h>
+
+#define VIC_RAW_STATUS			0x08
+#define VIC_INT_ENABLE			0x10	/* 1 = enable, 0 = disable */
+#define VIC_INT_ENABLE_CLEAR		0x14
+
+struct device_node;
+struct pt_regs;
+
+void __vic_init(void __iomem *base, int irq_start, u32 vic_sources,
+		u32 resume_sources, struct device_node *node);
+void vic_init(void __iomem *base, unsigned int irq_start, u32 vic_sources, u32 resume_sources);
+
+#endif
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 83ba0ab2c91..649e5f86b5f 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -652,8 +652,8 @@ struct ata_device {
 		u32		gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
 	};
 
-	/* Identify Device Data Log (30h), SATA Settings (page 08h) */
-	u8			sata_settings[ATA_SECT_SIZE];
+	/* DEVSLP Timing Variables from Identify Device Data Log */
+	u8			devslp_timing[ATA_LOG_DEVSLP_SIZE];
 
 	/* error history */
 	int			spdn_cnt;
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 00e46376e28..2bca44b0893 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -524,14 +524,17 @@ static inline void print_irqtrace_events(struct task_struct *curr)
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 # ifdef CONFIG_PROVE_LOCKING
 #  define rwsem_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 2, NULL, i)
+#  define rwsem_acquire_nest(l, s, t, n, i)	lock_acquire(l, s, t, 0, 2, n, i)
 #  define rwsem_acquire_read(l, s, t, i)	lock_acquire(l, s, t, 1, 2, NULL, i)
 # else
 #  define rwsem_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 1, NULL, i)
+#  define rwsem_acquire_nest(l, s, t, n, i)	lock_acquire(l, s, t, 0, 1, n, i)
 #  define rwsem_acquire_read(l, s, t, i)	lock_acquire(l, s, t, 1, 1, NULL, i)
 # endif
 # define rwsem_release(l, n, i)			lock_release(l, n, i)
 #else
 # define rwsem_acquire(l, s, t, i)		do { } while (0)
+# define rwsem_acquire_nest(l, s, t, n, i)	do { } while (0)
 # define rwsem_acquire_read(l, s, t, i)		do { } while (0)
 # define rwsem_release(l, n, i)			do { } while (0)
 #endif
diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h
index 6ee4247df11..a65deddede2 100644
--- a/include/linux/mfd/db8500-prcmu.h
+++ b/include/linux/mfd/db8500-prcmu.h
@@ -16,12 +16,6 @@
 /*
  * Registers
  */
-#define DB8500_PRCM_GPIOCR 0x138
-#define DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0	BIT(0)
-#define DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD	BIT(9)
-#define DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1	BIT(11)
-#define DB8500_PRCM_GPIOCR_SPI2_SELECT		BIT(23)
-
 #define DB8500_PRCM_LINE_VALUE 0x170
 #define DB8500_PRCM_LINE_VALUE_HSI_CAWAKE0	BIT(3)
 
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index c202d6c4d87..15528064258 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -218,8 +218,6 @@ enum ddr_pwrst {
 
 #if defined(CONFIG_UX500_SOC_DB8500)
 
-#include <mach/id.h>
-
 static inline void __init prcmu_early_init(void)
 {
 	return db8500_prcmu_early_init();
@@ -626,85 +624,6 @@ static inline void prcmu_clear(unsigned int reg, u32 bits)
 	prcmu_write_masked(reg, bits, 0);
 }
 
-#if defined(CONFIG_UX500_SOC_DB8500)
-
-/**
- * prcmu_enable_spi2 - Enables pin muxing for SPI2 on OtherAlternateC1.
- */
-static inline void prcmu_enable_spi2(void)
-{
-	if (cpu_is_u8500())
-		prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
-}
-
-/**
- * prcmu_disable_spi2 - Disables pin muxing for SPI2 on OtherAlternateC1.
- */
-static inline void prcmu_disable_spi2(void)
-{
-	if (cpu_is_u8500())
-		prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
-}
-
-/**
- * prcmu_enable_stm_mod_uart - Enables pin muxing for STMMOD
- * and UARTMOD on OtherAlternateC3.
- */
-static inline void prcmu_enable_stm_mod_uart(void)
-{
-	if (cpu_is_u8500()) {
-		prcmu_set(DB8500_PRCM_GPIOCR,
-			(DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
-			 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
-	}
-}
-
-/**
- * prcmu_disable_stm_mod_uart - Disables pin muxing for STMMOD
- * and UARTMOD on OtherAlternateC3.
- */
-static inline void prcmu_disable_stm_mod_uart(void)
-{
-	if (cpu_is_u8500()) {
-		prcmu_clear(DB8500_PRCM_GPIOCR,
-			(DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
-			 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
-	}
-}
-
-/**
- * prcmu_enable_stm_ape - Enables pin muxing for STM APE on OtherAlternateC1.
- */
-static inline void prcmu_enable_stm_ape(void)
-{
-	if (cpu_is_u8500()) {
-		prcmu_set(DB8500_PRCM_GPIOCR,
-			DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
-	}
-}
-
-/**
- * prcmu_disable_stm_ape - Disables pin muxing for STM APE on OtherAlternateC1.
- */
-static inline void prcmu_disable_stm_ape(void)
-{
-	if (cpu_is_u8500()) {
-		prcmu_clear(DB8500_PRCM_GPIOCR,
-			DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
-	}
-}
-
-#else
-
-static inline void prcmu_enable_spi2(void) {}
-static inline void prcmu_disable_spi2(void) {}
-static inline void prcmu_enable_stm_mod_uart(void) {}
-static inline void prcmu_disable_stm_mod_uart(void) {}
-static inline void prcmu_enable_stm_ape(void) {}
-static inline void prcmu_disable_stm_ape(void) {}
-
-#endif
-
 /* PRCMU QoS APE OPP class */
 #define PRCMU_QOS_APE_OPP 1
 #define PRCMU_QOS_DDR_OPP 2
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 63204078f72..66e2f7c61e5 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -455,7 +455,6 @@ void put_pages_list(struct list_head *pages);
 
 void split_page(struct page *page, unsigned int order);
 int split_free_page(struct page *page);
-int capture_free_page(struct page *page, int alloc_order, int migratetype);
 
 /*
  * Compound pages have a destructor function.  Provide a
diff --git a/include/linux/module.h b/include/linux/module.h
index 7760c6d344a..1375ee3f03a 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -199,11 +199,11 @@ struct module_use {
 	struct module *source, *target;
 };
 
-enum module_state
-{
-	MODULE_STATE_LIVE,
-	MODULE_STATE_COMING,
-	MODULE_STATE_GOING,
+enum module_state {
+	MODULE_STATE_LIVE,	/* Normal state. */
+	MODULE_STATE_COMING,	/* Full formed, running module_init. */
+	MODULE_STATE_GOING,	/* Going away. */
+	MODULE_STATE_UNFORMED,	/* Still setting it up. */
 };
 
 /**
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c599e4782d4..9ef07d0868b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -60,6 +60,9 @@ struct wireless_dev;
 #define SET_ETHTOOL_OPS(netdev,ops) \
 	( (netdev)->ethtool_ops = (ops) )
 
+extern void netdev_set_default_ethtool_ops(struct net_device *dev,
+					   const struct ethtool_ops *ops);
+
 /* hardware address assignment types */
 #define NET_ADDR_PERM		0	/* address is permanent (default) */
 #define NET_ADDR_RANDOM		1	/* address is generated randomly */
diff --git a/include/linux/platform_data/imx-iram.h b/include/linux/platform_data/imx-iram.h
new file mode 100644
index 00000000000..022690c3370
--- /dev/null
+++ b/include/linux/platform_data/imx-iram.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#include <linux/errno.h>
+
+#ifdef CONFIG_IRAM_ALLOC
+
+int __init iram_init(unsigned long base, unsigned long size);
+void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr);
+void iram_free(unsigned long dma_addr, unsigned int size);
+
+#else
+
+static inline int __init iram_init(unsigned long base, unsigned long size)
+{
+	return -ENOMEM;
+}
+
+static inline void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr)
+{
+	return NULL;
+}
+
+static inline void iram_free(unsigned long base, unsigned long size) {}
+
+#endif
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 1693775ecfe..89573a33ab3 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -45,7 +45,6 @@ extern long arch_ptrace(struct task_struct *child, long request,
 extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len);
 extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
 extern void ptrace_disable(struct task_struct *);
-extern int ptrace_check_attach(struct task_struct *task, bool ignore_state);
 extern int ptrace_request(struct task_struct *child, long request,
 			  unsigned long addr, unsigned long data);
 extern void ptrace_notify(int exit_code);
diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h
index 2ac60c9cf64..fea49b5da12 100644
--- a/include/linux/rbtree_augmented.h
+++ b/include/linux/rbtree_augmented.h
@@ -123,9 +123,9 @@ __rb_change_child(struct rb_node *old, struct rb_node *new,
 extern void __rb_erase_color(struct rb_node *parent, struct rb_root *root,
 	void (*augment_rotate)(struct rb_node *old, struct rb_node *new));
 
-static __always_inline void
-rb_erase_augmented(struct rb_node *node, struct rb_root *root,
-		   const struct rb_augment_callbacks *augment)
+static __always_inline struct rb_node *
+__rb_erase_augmented(struct rb_node *node, struct rb_root *root,
+		     const struct rb_augment_callbacks *augment)
 {
 	struct rb_node *child = node->rb_right, *tmp = node->rb_left;
 	struct rb_node *parent, *rebalance;
@@ -217,6 +217,14 @@ rb_erase_augmented(struct rb_node *node, struct rb_root *root,
 	}
 
 	augment->propagate(tmp, NULL);
+	return rebalance;
+}
+
+static __always_inline void
+rb_erase_augmented(struct rb_node *node, struct rb_root *root,
+		   const struct rb_augment_callbacks *augment)
+{
+	struct rb_node *rebalance = __rb_erase_augmented(node, root, augment);
 	if (rebalance)
 		__rb_erase_color(rebalance, root, augment->rotate);
 }
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 54bd7cd7ecb..8da67d625e1 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -125,8 +125,17 @@ extern void downgrade_write(struct rw_semaphore *sem);
  */
 extern void down_read_nested(struct rw_semaphore *sem, int subclass);
 extern void down_write_nested(struct rw_semaphore *sem, int subclass);
+extern void _down_write_nest_lock(struct rw_semaphore *sem, struct lockdep_map *nest_lock);
+
+# define down_write_nest_lock(sem, nest_lock)			\
+do {								\
+	typecheck(struct lockdep_map *, &(nest_lock)->dep_map);	\
+	_down_write_nest_lock(sem, &(nest_lock)->dep_map);	\
+} while (0);
+
 #else
 # define down_read_nested(sem, subclass)		down_read(sem)
+# define down_write_nest_lock(sem, nest_lock)	down_write(sem)
 # define down_write_nested(sem, subclass)	down_write(sem)
 #endif
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 206bb089c06..d2112477ff5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1810,6 +1810,7 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut,
 #define PF_MEMALLOC	0x00000800	/* Allocating memory */
 #define PF_NPROC_EXCEEDED 0x00001000	/* set_user noticed that RLIMIT_NPROC was exceeded */
 #define PF_USED_MATH	0x00002000	/* if unset the fpu must be initialized before use */
+#define PF_USED_ASYNC	0x00004000	/* used async_schedule*(), used by module init */
 #define PF_NOFREEZE	0x00008000	/* this thread should not be frozen */
 #define PF_FROZEN	0x00010000	/* frozen for system suspend */
 #define PF_FSTRANS	0x00020000	/* inside a filesystem transaction */
@@ -2713,7 +2714,16 @@ static inline void thread_group_cputime_init(struct signal_struct *sig)
 extern void recalc_sigpending_and_wake(struct task_struct *t);
 extern void recalc_sigpending(void);
 
-extern void signal_wake_up(struct task_struct *t, int resume_stopped);
+extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
+
+static inline void signal_wake_up(struct task_struct *t, bool resume)
+{
+	signal_wake_up_state(t, resume ? TASK_WAKEKILL : 0);
+}
+static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)
+{
+	signal_wake_up_state(t, resume ? __TASK_TRACED : 0);
+}
 
 /*
  * Wrappers for p->thread_info->cpu access. No-op on UP.