Merge branch 'linus' into perf/urgent

Merge reason: Fix upstream breakage introduced by:

 de5d9bf: Move list types from <linux/list.h> to <linux/types.h>.

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

26 files changed, 249 insertions, 134 deletions

diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h
index 66c160b8547f..9d6122096fbe 100644
--- a/arch/arm/include/asm/cache.h
+++ b/arch/arm/include/asm/cache.h
@@ -14,7 +14,7 @@
  * cache before the transfer is done, causing old data to be seen by
  * the CPU.
  */
-#define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
 
 /*
  * With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 69ce0727edb5..c226fe10553e 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -144,16 +144,6 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 	return 0;
 }
 
-static inline int dma_get_cache_alignment(void)
-{
-	return 32;
-}
-
-static inline int dma_is_consistent(struct device *dev, dma_addr_t handle)
-{
-	return !!arch_is_coherent();
-}
-
 /*
  * DMA errors are defined by all-bits-set in the DMA address.
  */
@@ -298,7 +288,15 @@ extern void dmabounce_unregister_dev(struct device *);
  * DMA access and 1 if the buffer needs to be bounced.
  *
  */
+#ifdef CONFIG_SA1111
 extern int dma_needs_bounce(struct device*, dma_addr_t, size_t);
+#else
+static inline int dma_needs_bounce(struct device *dev, dma_addr_t addr,
+				   size_t size)
+{
+	return 0;
+}
+#endif
 
 /*
  * The DMA API, implemented by dmabounce.c.  See below for descriptions.
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index 51662feb9f1d..5747a8baa413 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -59,6 +59,8 @@ typedef struct user_fp elf_fpregset_t;
 
 #define R_ARM_THM_CALL		10
 #define R_ARM_THM_JUMP24	30
+#define R_ARM_THM_MOVW_ABS_NC	47
+#define R_ARM_THM_MOVT_ABS	48
 
 /*
  * These are used to set parameters in the core dumps.
@@ -121,4 +123,8 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
 extern void elf_set_personality(const struct elf32_hdr *);
 #define SET_PERSONALITY(ex)	elf_set_personality(&(ex))
 
+struct mm_struct;
+extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+#define arch_randomize_brk arch_randomize_brk
+
 #endif
diff --git a/arch/arm/include/asm/hardware/coresight.h b/arch/arm/include/asm/hardware/coresight.h
index f82b25d4f73e..212e47828c79 100644
--- a/arch/arm/include/asm/hardware/coresight.h
+++ b/arch/arm/include/asm/hardware/coresight.h
@@ -48,8 +48,6 @@ struct tracectx {
 /* CoreSight Component Registers */
 #define CSCR_CLASS	0xff4
 
-#define CSCR_PRSR	0x314
-
 #define UNLOCK_MAGIC	0xc5acce55
 
 /* ETM control register, "ETM Architecture", 3.3.1 */
@@ -132,6 +130,12 @@ struct tracectx {
 				ETMCTRL_BRANCH_OUTPUT | \
 				ETMCTRL_DO_CONTEXTID)
 
+/* ETM management registers, "ETM Architecture", 3.5.24 */
+#define ETMMR_OSLAR	0x300
+#define ETMMR_OSLSR	0x304
+#define ETMMR_OSSRR	0x308
+#define ETMMR_PDSR	0x314
+
 /* ETB registers, "CoreSight Components TRM", 9.3 */
 #define ETBR_DEPTH		0x04
 #define ETBR_STATUS		0x0c
diff --git a/arch/arm/include/asm/hardware/scoop.h b/arch/arm/include/asm/hardware/scoop.h
index 46492a63a7c4..ebb3ceaa8fac 100644
--- a/arch/arm/include/asm/hardware/scoop.h
+++ b/arch/arm/include/asm/hardware/scoop.h
@@ -22,18 +22,23 @@
 #define SCOOP_GPWR 0x24
 #define SCOOP_GPRR 0x28
 
-#define SCOOP_GPCR_PA22	( 1 << 12 )
-#define SCOOP_GPCR_PA21	( 1 << 11 )
-#define SCOOP_GPCR_PA20	( 1 << 10 )
-#define SCOOP_GPCR_PA19	( 1 << 9 )
-#define SCOOP_GPCR_PA18	( 1 << 8 )
-#define SCOOP_GPCR_PA17	( 1 << 7 )
-#define SCOOP_GPCR_PA16	( 1 << 6 )
-#define SCOOP_GPCR_PA15	( 1 << 5 )
-#define SCOOP_GPCR_PA14	( 1 << 4 )
-#define SCOOP_GPCR_PA13	( 1 << 3 )
-#define SCOOP_GPCR_PA12	( 1 << 2 )
-#define SCOOP_GPCR_PA11	( 1 << 1 )
+#define SCOOP_CPR_OUT	(1 << 7)
+#define SCOOP_CPR_SD_3V	(1 << 2)
+#define SCOOP_CPR_CF_XV	(1 << 1)
+#define SCOOP_CPR_CF_3V	(1 << 0)
+
+#define SCOOP_GPCR_PA22	(1 << 12)
+#define SCOOP_GPCR_PA21	(1 << 11)
+#define SCOOP_GPCR_PA20	(1 << 10)
+#define SCOOP_GPCR_PA19	(1 << 9)
+#define SCOOP_GPCR_PA18	(1 << 8)
+#define SCOOP_GPCR_PA17	(1 << 7)
+#define SCOOP_GPCR_PA16	(1 << 6)
+#define SCOOP_GPCR_PA15	(1 << 5)
+#define SCOOP_GPCR_PA14	(1 << 4)
+#define SCOOP_GPCR_PA13	(1 << 3)
+#define SCOOP_GPCR_PA12	(1 << 2)
+#define SCOOP_GPCR_PA11	(1 << 1)
 
 struct scoop_config {
 	unsigned short io_out;
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index feb988a7ec37..5aff58126602 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -36,7 +36,7 @@ extern void kunmap_high_l1_vipt(struct page *page, pte_t saved_pte);
 extern void *kmap(struct page *page);
 extern void kunmap(struct page *page);
 extern void *kmap_atomic(struct page *page, enum km_type type);
-extern void kunmap_atomic(void *kvaddr, enum km_type type);
+extern void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type);
 extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
 extern struct page *kmap_atomic_to_page(const void *ptr);
 #endif
diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h
index f7bd52b1c365..c1062c317103 100644
--- a/arch/arm/include/asm/hwcap.h
+++ b/arch/arm/include/asm/hwcap.h
@@ -19,6 +19,7 @@
 #define HWCAP_NEON	4096
 #define HWCAP_VFPv3	8192
 #define HWCAP_VFPv3D16	16384
+#define HWCAP_TLS	32768
 
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
 /*
diff --git a/arch/arm/include/asm/ioctls.h b/arch/arm/include/asm/ioctls.h
index 7f0b6d13296a..0b30894b5482 100644
--- a/arch/arm/include/asm/ioctls.h
+++ b/arch/arm/include/asm/ioctls.h
@@ -52,6 +52,7 @@
 #define TCSETSF2	_IOW('T',0x2D, struct termios2)
 #define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
+#define TIOCSIG		_IOW('T',0x36, int)  /* Generate signal on Pty slave */
 
 #define TIOCGRS485      0x542E
 #define TIOCSRS485      0x542F
@@ -81,6 +82,7 @@
 #define TIOCPKT_START		 8
 #define TIOCPKT_NOSTOP		16
 #define TIOCPKT_DOSTOP		32
+#define TIOCPKT_IOCTL		64
 
 #define TIOCSER_TEMT	0x01	/* Transmitter physically empty */
 
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index 237282f7c762..2721a5814cb9 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -7,6 +7,8 @@
 #define irq_canonicalize(i)	(i)
 #endif
 
+#define NR_IRQS_LEGACY	16
+
 /*
  * Use this value to indicate lack of interrupt
  * capability
diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h
index df15a0dc228e..8ec9ef5c3c7b 100644
--- a/arch/arm/include/asm/kexec.h
+++ b/arch/arm/include/asm/kexec.h
@@ -19,10 +19,26 @@
 
 #ifndef __ASSEMBLY__
 
-struct kimage;
-/* Provide a dummy definition to avoid build failures. */
+/**
+ * crash_setup_regs() - save registers for the panic kernel
+ * @newregs: registers are saved here
+ * @oldregs: registers to be saved (may be %NULL)
+ *
+ * Function copies machine registers from @oldregs to @newregs. If @oldregs is
+ * %NULL then current registers are stored there.
+ */
 static inline void crash_setup_regs(struct pt_regs *newregs,
-                                        struct pt_regs *oldregs) { }
+				    struct pt_regs *oldregs)
+{
+	if (oldregs) {
+		memcpy(newregs, oldregs, sizeof(*newregs));
+	} else {
+		__asm__ __volatile__ ("stmia %0, {r0 - r15}"
+				      : : "r" (&newregs->ARM_r0));
+		__asm__ __volatile__ ("mrs %0, cpsr"
+				      : "=r" (newregs->ARM_cpsr));
+	}
+}
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/arm/include/asm/kgdb.h b/arch/arm/include/asm/kgdb.h
index 67af4b841984..08265993227f 100644
--- a/arch/arm/include/asm/kgdb.h
+++ b/arch/arm/include/asm/kgdb.h
@@ -70,11 +70,11 @@ extern int kgdb_fault_expected;
 #define _GP_REGS		16
 #define _FP_REGS		8
 #define _EXTRA_REGS		2
-#define GDB_MAX_REGS		(_GP_REGS + (_FP_REGS * 3) + _EXTRA_REGS)
+#define DBG_MAX_REG_NUM		(_GP_REGS + (_FP_REGS * 3) + _EXTRA_REGS)
 
 #define KGDB_MAX_NO_CPUS	1
 #define BUFMAX			400
-#define NUMREGBYTES		(GDB_MAX_REGS << 2)
+#define NUMREGBYTES		(DBG_MAX_REG_NUM << 2)
 #define NUMCRITREGBYTES		(32 << 2)
 
 #define _R0			0
@@ -93,7 +93,7 @@ extern int kgdb_fault_expected;
 #define _SPT			13
 #define _LR			14
 #define _PC			15
-#define _CPSR			(GDB_MAX_REGS - 1)
+#define _CPSR			(DBG_MAX_REG_NUM - 1)
 
 /*
  * So that we can denote the end of a frame for tracing,
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index c59842dc7cb8..8a0dd18ba642 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -20,6 +20,7 @@ struct machine_desc {
 	 * by assembler code in head.S, head-common.S
 	 */
 	unsigned int		nr;		/* architecture number	*/
+	unsigned int		nr_irqs;	/* number of IRQs */
 	unsigned int		phys_io;	/* start of physical io	*/
 	unsigned int		io_pg_offst;	/* byte offset for io 
 						 * page tabe entry	*/
@@ -37,6 +38,7 @@ struct machine_desc {
 	void			(*fixup)(struct machine_desc *,
 					 struct tag *, char **,
 					 struct meminfo *);
+	void			(*reserve)(void);/* reserve mem blocks	*/
 	void			(*map_io)(void);/* IO mapping function	*/
 	void			(*init_irq)(void);
 	struct sys_timer	*timer;		/* system tick timer	*/
diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h
index 8920b2d6e3b8..ce3eee9fe26c 100644
--- a/arch/arm/include/asm/mach/irq.h
+++ b/arch/arm/include/asm/mach/irq.h
@@ -17,6 +17,7 @@ struct seq_file;
 /*
  * This is internal.  Do not use it.
  */
+extern unsigned int arch_nr_irqs;
 extern void (*init_arch_irq)(void);
 extern void init_FIQ(void);
 extern int show_fiq_list(struct seq_file *, void *);
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
index 742c2aaeb020..d2fedb5aeb1f 100644
--- a/arch/arm/include/asm/mach/map.h
+++ b/arch/arm/include/asm/mach/map.h
@@ -27,6 +27,8 @@ struct map_desc {
 #define MT_MEMORY		9
 #define MT_ROM			10
 #define MT_MEMORY_NONCACHED	11
+#define MT_MEMORY_DTCM		12
+#define MT_MEMORY_ITCM		13
 
 #ifdef CONFIG_MMU
 extern void iotable_init(struct map_desc *, int);
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index 52f0da1e97df..16330bd0657c 100644
--- a/arch/arm/include/asm/mach/pci.h
+++ b/arch/arm/include/asm/mach/pci.h
@@ -46,6 +46,7 @@ struct pci_sys_data {
 					/* IRQ mapping				*/
 	int		(*map_irq)(struct pci_dev *, u8, u8);
 	struct hw_pci	*hw;
+	void		*private_data;	/* platform controller private data	*/
 };
 
 /*
diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h
new file mode 100644
index 000000000000..fdbc43b2e6c0
--- /dev/null
+++ b/arch/arm/include/asm/memblock.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_ARM_MEMBLOCK_H
+#define _ASM_ARM_MEMBLOCK_H
+
+#ifdef CONFIG_MMU
+extern phys_addr_t lowmem_end_addr;
+#define MEMBLOCK_REAL_LIMIT	lowmem_end_addr
+#else
+#define MEMBLOCK_REAL_LIMIT	0
+#endif
+
+struct meminfo;
+struct machine_desc;
+
+extern void arm_memblock_init(struct meminfo *, struct machine_desc *);
+
+#endif
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 4312ee5e3d0b..23c2e8e5c0fa 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -124,6 +124,15 @@
 #endif /* !CONFIG_MMU */
 
 /*
+ * We fix the TCM memories max 32 KiB ITCM resp DTCM at these
+ * locations
+ */
+#ifdef CONFIG_HAVE_TCM
+#define ITCM_OFFSET	UL(0xfffe0000)
+#define DTCM_OFFSET	UL(0xfffe8000)
+#endif
+
+/*
  * Physical vs virtual RAM address space conversion.  These are
  * private definitions which should NOT be used outside memory.h
  * files.  Use virt_to_phys/phys_to_virt/__pa/__va instead.
@@ -158,7 +167,7 @@
 #endif
 
 #ifndef arch_adjust_zones
-#define arch_adjust_zones(node,size,holes) do { } while (0)
+#define arch_adjust_zones(size,holes) do { } while (0)
 #elif !defined(CONFIG_ZONE_DMA)
 #error "custom arch_adjust_zones() requires CONFIG_ZONE_DMA"
 #endif
@@ -234,76 +243,11 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
  *  virt_to_page(k)	convert a _valid_ virtual address to struct page *
  *  virt_addr_valid(k)	indicates whether a virtual address is valid
  */
-#ifndef CONFIG_DISCONTIGMEM
-
 #define ARCH_PFN_OFFSET		PHYS_PFN_OFFSET
 
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define virt_addr_valid(kaddr)	((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
 
-#define PHYS_TO_NID(addr)	(0)
-
-#else /* CONFIG_DISCONTIGMEM */
-
-/*
- * This is more complex.  We have a set of mem_map arrays spread
- * around in memory.
- */
-#include <linux/numa.h>
-
-#define arch_pfn_to_nid(pfn)	PFN_TO_NID(pfn)
-#define arch_local_page_offset(pfn, nid) LOCAL_MAP_NR((pfn) << PAGE_SHIFT)
-
-#define virt_to_page(kaddr)					\
-	(ADDR_TO_MAPBASE(kaddr) + LOCAL_MAP_NR(kaddr))
-
-#define virt_addr_valid(kaddr)	(KVADDR_TO_NID(kaddr) < MAX_NUMNODES)
-
-/*
- * Common discontigmem stuff.
- *  PHYS_TO_NID is used by the ARM kernel/setup.c
- */
-#define PHYS_TO_NID(addr)	PFN_TO_NID((addr) >> PAGE_SHIFT)
-
-/*
- * Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory
- * and returns the mem_map of that node.
- */
-#define ADDR_TO_MAPBASE(kaddr)	NODE_MEM_MAP(KVADDR_TO_NID(kaddr))
-
-/*
- * Given a page frame number, find the owning node of the memory
- * and returns the mem_map of that node.
- */
-#define PFN_TO_MAPBASE(pfn)	NODE_MEM_MAP(PFN_TO_NID(pfn))
-
-#ifdef NODE_MEM_SIZE_BITS
-#define NODE_MEM_SIZE_MASK	((1 << NODE_MEM_SIZE_BITS) - 1)
-
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define KVADDR_TO_NID(addr) \
-	(((unsigned long)(addr) - PAGE_OFFSET) >> NODE_MEM_SIZE_BITS)
-
-/*
- * Given a page frame number, convert it to a node id.
- */
-#define PFN_TO_NID(pfn) \
-	(((pfn) - PHYS_PFN_OFFSET) >> (NODE_MEM_SIZE_BITS - PAGE_SHIFT))
-
-/*
- * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory
- * and returns the index corresponding to the appropriate page in the
- * node's mem_map.
- */
-#define LOCAL_MAP_NR(addr) \
-	(((unsigned long)(addr) & NODE_MEM_SIZE_MASK) >> PAGE_SHIFT)
-
-#endif /* NODE_MEM_SIZE_BITS */
-
-#endif /* !CONFIG_DISCONTIGMEM */
-
 /*
  * Optional coherency support.  Currently used only by selected
  * Intel XSC3-based systems.
diff --git a/arch/arm/include/asm/mmzone.h b/arch/arm/include/asm/mmzone.h
deleted file mode 100644
index ae63a4fd28c8..000000000000
--- a/arch/arm/include/asm/mmzone.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- *  arch/arm/include/asm/mmzone.h
- *
- *  1999-12-29	Nicolas Pitre		Created
- *
- * 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 __ASM_MMZONE_H
-#define __ASM_MMZONE_H
-
-/*
- * Currently defined in arch/arm/mm/discontig.c
- */
-extern pg_data_t discontig_node_data[];
-
-/*
- * Return a pointer to the node data for node n.
- */
-#define NODE_DATA(nid)		(&discontig_node_data[nid])
-
-/*
- * NODE_MEM_MAP gives the kaddr for the mem_map of the node.
- */
-#define NODE_MEM_MAP(nid)	(NODE_DATA(nid)->node_mem_map)
-
-#include <mach/memory.h>
-
-#endif
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 9dcb11e59026..c974be8913a7 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -184,6 +184,42 @@ extern unsigned long profile_pc(struct pt_regs *regs);
 #define predicate(x)		((x) & 0xf0000000)
 #define PREDICATE_ALWAYS	0xe0000000
 
+/*
+ * kprobe-based event tracer support
+ */
+#include <linux/stddef.h>
+#include <linux/types.h>
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, ARM_ORIG_r0))
+
+extern int regs_query_register_offset(const char *name);
+extern const char *regs_query_register_name(unsigned int offset);
+extern bool regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr);
+extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
+					       unsigned int n);
+
+/**
+ * regs_get_register() - get register value from its offset
+ * @regs:	   pt_regs from which register value is gotten
+ * @offset:    offset number of the register.
+ *
+ * regs_get_register returns the value of a register whose offset from @regs.
+ * The @offset is the offset of the register in struct pt_regs.
+ * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
+ */
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+					      unsigned int offset)
+{
+	if (unlikely(offset > MAX_REG_OFFSET))
+		return 0;
+	return *(unsigned long *)((unsigned long)regs + offset);
+}
+
+/* Valid only for Kernel mode traps. */
+static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+	return regs->ARM_sp;
+}
+
 #endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index f392fb4437af..f1e5a9bca249 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -201,8 +201,7 @@ static struct tagtable __tagtable_##fn __tag = { tag, fn }
 struct membank {
 	unsigned long start;
 	unsigned long size;
-	unsigned short node;
-	unsigned short highmem;
+	unsigned int highmem;
 };
 
 struct meminfo {
@@ -212,9 +211,8 @@ struct meminfo {
 
 extern struct meminfo meminfo;
 
-#define for_each_nodebank(iter,mi,no)			\
-	for (iter = 0; iter < (mi)->nr_banks; iter++)	\
-		if ((mi)->bank[iter].node == no)
+#define for_each_bank(iter,mi)				\
+	for (iter = 0; iter < (mi)->nr_banks; iter++)
 
 #define bank_pfn_start(bank)	__phys_to_pfn((bank)->start)
 #define bank_pfn_end(bank)	__phys_to_pfn((bank)->start + (bank)->size)
diff --git a/arch/arm/include/asm/stackprotector.h b/arch/arm/include/asm/stackprotector.h
new file mode 100644
index 000000000000..de003327be97
--- /dev/null
+++ b/arch/arm/include/asm/stackprotector.h
@@ -0,0 +1,38 @@
+/*
+ * GCC stack protector support.
+ *
+ * Stack protector works by putting predefined pattern at the start of
+ * the stack frame and verifying that it hasn't been overwritten when
+ * returning from the function.  The pattern is called stack canary
+ * and gcc expects it to be defined by a global variable called
+ * "__stack_chk_guard" on ARM.  This unfortunately means that on SMP
+ * we cannot have a different canary value per task.
+ */
+
+#ifndef _ASM_STACKPROTECTOR_H
+#define _ASM_STACKPROTECTOR_H 1
+
+#include <linux/random.h>
+#include <linux/version.h>
+
+extern unsigned long __stack_chk_guard;
+
+/*
+ * Initialize the stackprotector canary value.
+ *
+ * NOTE: this must only be called from functions that never return,
+ * and it must always be inlined.
+ */
+static __always_inline void boot_init_stack_canary(void)
+{
+	unsigned long canary;
+
+	/* Try to get a semi random initial value. */
+	get_random_bytes(&canary, sizeof(canary));
+	canary ^= LINUX_VERSION_CODE;
+
+	current->stack_canary = canary;
+	__stack_chk_guard = current->stack_canary;
+}
+
+#endif	/* _ASM_STACKPROTECTOR_H */
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 5f4f48002734..8ba1ccf82a02 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -83,7 +83,7 @@ void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
 
 void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
 				       struct pt_regs *),
-		     int sig, const char *name);
+		     int sig, int code, const char *name);
 
 #define xchg(ptr,x) \
 	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
diff --git a/arch/arm/include/asm/termbits.h b/arch/arm/include/asm/termbits.h
index f784d11f40b5..704135d28d1d 100644
--- a/arch/arm/include/asm/termbits.h
+++ b/arch/arm/include/asm/termbits.h
@@ -177,6 +177,7 @@ struct ktermios {
 #define FLUSHO	0010000
 #define PENDIN	0040000
 #define IEXTEN	0100000
+#define EXTPROC	0200000
 
 /* tcflow() and TCXONC use these */
 #define	TCOOFF		0
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index bd863d8608cd..33b546ae72d4 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -378,7 +378,11 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
 	if (tlb_flag(TLB_V6_I_ASID))
 		asm("mcr p15, 0, %0, c8, c5, 2" : : "r" (asid) : "cc");
 	if (tlb_flag(TLB_V7_UIS_ASID))
+#ifdef CONFIG_ARM_ERRATA_720789
+		asm("mcr p15, 0, %0, c8, c3, 0" : : "r" (zero) : "cc");
+#else
 		asm("mcr p15, 0, %0, c8, c3, 2" : : "r" (asid) : "cc");
+#endif
 
 	if (tlb_flag(TLB_BTB)) {
 		/* flush the branch target cache */
@@ -424,7 +428,11 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
 	if (tlb_flag(TLB_V6_I_PAGE))
 		asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (uaddr) : "cc");
 	if (tlb_flag(TLB_V7_UIS_PAGE))
+#ifdef CONFIG_ARM_ERRATA_720789
+		asm("mcr p15, 0, %0, c8, c3, 3" : : "r" (uaddr & PAGE_MASK) : "cc");
+#else
 		asm("mcr p15, 0, %0, c8, c3, 1" : : "r" (uaddr) : "cc");
+#endif
 
 	if (tlb_flag(TLB_BTB)) {
 		/* flush the branch target cache */
diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h
new file mode 100644
index 000000000000..e71d6ff8d104
--- /dev/null
+++ b/arch/arm/include/asm/tls.h
@@ -0,0 +1,46 @@
+#ifndef __ASMARM_TLS_H
+#define __ASMARM_TLS_H
+
+#ifdef __ASSEMBLY__
+	.macro set_tls_none, tp, tmp1, tmp2
+	.endm
+
+	.macro set_tls_v6k, tp, tmp1, tmp2
+	mcr	p15, 0, \tp, c13, c0, 3		@ set TLS register
+	.endm
+
+	.macro set_tls_v6, tp, tmp1, tmp2
+	ldr	\tmp1, =elf_hwcap
+	ldr	\tmp1, [\tmp1, #0]
+	mov	\tmp2, #0xffff0fff
+	tst	\tmp1, #HWCAP_TLS		@ hardware TLS available?
+	mcrne	p15, 0, \tp, c13, c0, 3		@ yes, set TLS register
+	streq	\tp, [\tmp2, #-15]		@ set TLS value at 0xffff0ff0
+	.endm
+
+	.macro set_tls_software, tp, tmp1, tmp2
+	mov	\tmp1, #0xffff0fff
+	str	\tp, [\tmp1, #-15]		@ set TLS value at 0xffff0ff0
+	.endm
+#endif
+
+#ifdef CONFIG_TLS_REG_EMUL
+#define tls_emu		1
+#define has_tls_reg		1
+#define set_tls		set_tls_none
+#elif __LINUX_ARM_ARCH__ >= 7 ||					\
+	(__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K))
+#define tls_emu		0
+#define has_tls_reg		1
+#define set_tls		set_tls_v6k
+#elif __LINUX_ARM_ARCH__ == 6
+#define tls_emu		0
+#define has_tls_reg		(elf_hwcap & HWCAP_TLS)
+#define set_tls		set_tls_v6
+#else
+#define tls_emu		0
+#define has_tls_reg		0
+#define set_tls		set_tls_software
+#endif
+
+#endif	/* __ASMARM_TLS_H */
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index 422f3cc204a2..3d5fc41ae8d3 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -3,6 +3,8 @@
  *
  * Assembler-only file containing VFP macros and register definitions.
  */
+#include <asm/hwcap.h>
+
 #include "vfp.h"
 
 @ Macros to allow building with old toolkits (with no VFP support)
@@ -22,12 +24,20 @@
 	LDC	p11, cr0, [\base],#32*4		    @ FLDMIAD \base!, {d0-d15}
 #endif
 #ifdef CONFIG_VFPv3
+#if __LINUX_ARM_ARCH__ <= 6
+	ldr	\tmp, =elf_hwcap		    @ may not have MVFR regs
+	ldr	\tmp, [\tmp, #0]
+	tst	\tmp, #HWCAP_VFPv3D16
+	ldceq	p11, cr0, [\base],#32*4		    @ FLDMIAD \base!, {d16-d31}
+	addne	\base, \base, #32*4		    @ step over unused register space
+#else
 	VFPFMRX	\tmp, MVFR0			    @ Media and VFP Feature Register 0
 	and	\tmp, \tmp, #MVFR0_A_SIMD_MASK	    @ A_SIMD field
 	cmp	\tmp, #2			    @ 32 x 64bit registers?
 	ldceql	p11, cr0, [\base],#32*4		    @ FLDMIAD \base!, {d16-d31}
 	addne	\base, \base, #32*4		    @ step over unused register space
 #endif
+#endif
 	.endm
 
 	@ write all the working registers out of the VFP
@@ -38,10 +48,18 @@
 	STC	p11, cr0, [\base],#32*4		    @ FSTMIAD \base!, {d0-d15}
 #endif
 #ifdef CONFIG_VFPv3
+#if __LINUX_ARM_ARCH__ <= 6
+	ldr	\tmp, =elf_hwcap		    @ may not have MVFR regs
+	ldr	\tmp, [\tmp, #0]
+	tst	\tmp, #HWCAP_VFPv3D16
+	stceq	p11, cr0, [\base],#32*4		    @ FSTMIAD \base!, {d16-d31}
+	addne	\base, \base, #32*4		    @ step over unused register space
+#else
 	VFPFMRX	\tmp, MVFR0			    @ Media and VFP Feature Register 0
 	and	\tmp, \tmp, #MVFR0_A_SIMD_MASK	    @ A_SIMD field
 	cmp	\tmp, #2			    @ 32 x 64bit registers?
 	stceql	p11, cr0, [\base],#32*4		    @ FSTMIAD \base!, {d16-d31}
 	addne	\base, \base, #32*4		    @ step over unused register space
 #endif
+#endif
 	.endm