Merge branch 'master' into gfs2

27 files changed, 310 insertions, 198 deletions

diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h
index 7463fd5252c..3661e465b0a 100644
--- a/include/asm-arm/arch-s3c2410/dma.h
+++ b/include/asm-arm/arch-s3c2410/dma.h
@@ -1,18 +1,13 @@
-/* linux/include/asm-arm/arch-bast/dma.h
+/* linux/include/asm-arm/arch-s3c2410/dma.h
  *
- * Copyright (C) 2003,2004 Simtec Electronics
+ * Copyright (C) 2003,2004,2006 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * Samsung S3C2410X DMA support
+ * Samsung S3C241XX DMA support
  *
  * 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.
- *
- * Changelog:
- *  ??-May-2003 BJD   Created file
- *  ??-Jun-2003 BJD   Added more dma functionality to go with arch
- *  10-Nov-2004 BJD   Added sys_device support
 */
 
 #ifndef __ASM_ARCH_DMA_H
@@ -21,28 +16,26 @@
 #include <linux/sysdev.h>
 #include "hardware.h"
 
-
 /*
  * This is the maximum DMA address(physical address) that can be DMAd to.
  *
  */
-#define MAX_DMA_ADDRESS		0x20000000
+#define MAX_DMA_ADDRESS		0x40000000
 #define MAX_DMA_TRANSFER_SIZE   0x100000 /* Data Unit is half word  */
 
-
 /* we have 4 dma channels */
 #define S3C2410_DMA_CHANNELS        (4)
 
 /* types */
 
-typedef enum {
+enum s3c2410_dma_state {
 	S3C2410_DMA_IDLE,
 	S3C2410_DMA_RUNNING,
 	S3C2410_DMA_PAUSED
-} s3c2410_dma_state_t;
+};
 
 
-/* s3c2410_dma_loadst_t
+/* enum s3c2410_dma_loadst
  *
  * This represents the state of the DMA engine, wrt to the loaded / running
  * transfers. Since we don't have any way of knowing exactly the state of
@@ -70,45 +63,40 @@ typedef enum {
  * currently running.
 */
 
-typedef enum {
+enum s3c2410_dma_loadst {
 	S3C2410_DMALOAD_NONE,
 	S3C2410_DMALOAD_1LOADED,
 	S3C2410_DMALOAD_1RUNNING,
 	S3C2410_DMALOAD_1LOADED_1RUNNING,
-} s3c2410_dma_loadst_t;
+};
 
-typedef enum {
+enum s3c2410_dma_buffresult {
 	S3C2410_RES_OK,
 	S3C2410_RES_ERR,
 	S3C2410_RES_ABORT
-} s3c2410_dma_buffresult_t;
-
-
-typedef enum s3c2410_dmasrc_e s3c2410_dmasrc_t;
+};
 
-enum s3c2410_dmasrc_e {
-	S3C2410_DMASRC_HW,      /* source is memory */
-	S3C2410_DMASRC_MEM      /* source is hardware */
+enum s3c2410_dmasrc {
+	S3C2410_DMASRC_HW,		/* source is memory */
+	S3C2410_DMASRC_MEM		/* source is hardware */
 };
 
-/* enum s3c2410_chan_op_e
+/* enum s3c2410_chan_op
  *
  * operation codes passed to the DMA code by the user, and also used
  * to inform the current channel owner of any changes to the system state
 */
 
-enum s3c2410_chan_op_e {
+enum s3c2410_chan_op {
 	S3C2410_DMAOP_START,
 	S3C2410_DMAOP_STOP,
 	S3C2410_DMAOP_PAUSE,
 	S3C2410_DMAOP_RESUME,
 	S3C2410_DMAOP_FLUSH,
-	S3C2410_DMAOP_TIMEOUT,           /* internal signal to handler */
+	S3C2410_DMAOP_TIMEOUT,		/* internal signal to handler */
 	S3C2410_DMAOP_STARTED,		/* indicate channel started */
 };
 
-typedef enum s3c2410_chan_op_e s3c2410_chan_op_t;
-
 /* flags */
 
 #define S3C2410_DMAF_SLOW         (1<<0)   /* slow, so don't worry about
@@ -117,104 +105,100 @@ typedef enum s3c2410_chan_op_e s3c2410_chan_op_t;
 
 /* dma buffer */
 
-typedef struct s3c2410_dma_buf_s s3c2410_dma_buf_t;
-
 struct s3c2410_dma_client {
 	char                *name;
 };
 
-typedef struct s3c2410_dma_client s3c2410_dma_client_t;
-
 /* s3c2410_dma_buf_s
  *
  * internally used buffer structure to describe a queued or running
  * buffer.
 */
 
-struct s3c2410_dma_buf_s {
-	s3c2410_dma_buf_t   *next;
-	int                  magic;        /* magic */
-	int                  size;         /* buffer size in bytes */
-	dma_addr_t           data;         /* start of DMA data */
-	dma_addr_t           ptr;          /* where the DMA got to [1] */
-	void                *id;           /* client's id */
+struct s3c2410_dma_buf;
+struct s3c2410_dma_buf {
+	struct s3c2410_dma_buf	*next;
+	int			 magic;		/* magic */
+	int			 size;		/* buffer size in bytes */
+	dma_addr_t		 data;		/* start of DMA data */
+	dma_addr_t		 ptr;		/* where the DMA got to [1] */
+	void			*id;		/* client's id */
 };
 
 /* [1] is this updated for both recv/send modes? */
 
-typedef struct s3c2410_dma_chan_s s3c2410_dma_chan_t;
+struct s3c2410_dma_chan;
 
 /* s3c2410_dma_cbfn_t
  *
  * buffer callback routine type
 */
 
-typedef void (*s3c2410_dma_cbfn_t)(s3c2410_dma_chan_t *, void *buf, int size,
-				   s3c2410_dma_buffresult_t result);
+typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *,
+				   void *buf, int size,
+				   enum s3c2410_dma_buffresult result);
 
-typedef int  (*s3c2410_dma_opfn_t)(s3c2410_dma_chan_t *,
-				   s3c2410_chan_op_t );
+typedef int  (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
+				   enum s3c2410_chan_op );
 
-struct s3c2410_dma_stats_s {
-	unsigned long          loads;
-	unsigned long          timeout_longest;
-	unsigned long          timeout_shortest;
-	unsigned long          timeout_avg;
-	unsigned long          timeout_failed;
+struct s3c2410_dma_stats {
+	unsigned long		loads;
+	unsigned long		timeout_longest;
+	unsigned long		timeout_shortest;
+	unsigned long		timeout_avg;
+	unsigned long		timeout_failed;
 };
 
-typedef struct s3c2410_dma_stats_s s3c2410_dma_stats_t;
-
-/* struct s3c2410_dma_chan_s
+/* struct s3c2410_dma_chan
  *
  * full state information for each DMA channel
 */
 
-struct s3c2410_dma_chan_s {
+struct s3c2410_dma_chan {
 	/* channel state flags and information */
-	unsigned char          number;      /* number of this dma channel */
-	unsigned char          in_use;      /* channel allocated */
-	unsigned char          irq_claimed; /* irq claimed for channel */
-	unsigned char          irq_enabled; /* irq enabled for channel */
-	unsigned char          xfer_unit;   /* size of an transfer */
+	unsigned char		 number;      /* number of this dma channel */
+	unsigned char		 in_use;      /* channel allocated */
+	unsigned char		 irq_claimed; /* irq claimed for channel */
+	unsigned char		 irq_enabled; /* irq enabled for channel */
+	unsigned char		 xfer_unit;   /* size of an transfer */
 
 	/* channel state */
 
-	s3c2410_dma_state_t    state;
-	s3c2410_dma_loadst_t   load_state;
-	s3c2410_dma_client_t  *client;
+	enum s3c2410_dma_state	 state;
+	enum s3c2410_dma_loadst	 load_state;
+	struct s3c2410_dma_client *client;
 
 	/* channel configuration */
-	s3c2410_dmasrc_t       source;
-	unsigned long          dev_addr;
-	unsigned long          load_timeout;
-	unsigned int           flags;        /* channel flags */
+	enum s3c2410_dmasrc	 source;
+	unsigned long		 dev_addr;
+	unsigned long		 load_timeout;
+	unsigned int		 flags;		/* channel flags */
 
 	/* channel's hardware position and configuration */
-	void __iomem           *regs;        /* channels registers */
-	void __iomem           *addr_reg;    /* data address register */
-	unsigned int           irq;          /* channel irq */
-	unsigned long          dcon;         /* default value of DCON */
+	void __iomem		*regs;		/* channels registers */
+	void __iomem		*addr_reg;	/* data address register */
+	unsigned int		 irq;		/* channel irq */
+	unsigned long		 dcon;		/* default value of DCON */
 
 	/* driver handles */
-	s3c2410_dma_cbfn_t     callback_fn;  /* buffer done callback */
-	s3c2410_dma_opfn_t     op_fn;        /* channel operation callback */
+	s3c2410_dma_cbfn_t	 callback_fn;	/* buffer done callback */
+	s3c2410_dma_opfn_t	 op_fn;		/* channel op callback */
 
 	/* stats gathering */
-	s3c2410_dma_stats_t   *stats;
-	s3c2410_dma_stats_t    stats_store;
+	struct s3c2410_dma_stats *stats;
+	struct s3c2410_dma_stats  stats_store;
 
 	/* buffer list and information */
-	s3c2410_dma_buf_t      *curr;        /* current dma buffer */
-	s3c2410_dma_buf_t      *next;        /* next buffer to load */
-	s3c2410_dma_buf_t      *end;         /* end of queue */
+	struct s3c2410_dma_buf	*curr;		/* current dma buffer */
+	struct s3c2410_dma_buf	*next;		/* next buffer to load */
+	struct s3c2410_dma_buf	*end;		/* end of queue */
 
 	/* system device */
 	struct sys_device	dev;
 };
 
 /* the currently allocated channel information */
-extern s3c2410_dma_chan_t s3c2410_chans[];
+extern struct s3c2410_dma_chan s3c2410_chans[];
 
 /* note, we don't really use dma_device_t at the moment */
 typedef unsigned long dma_device_t;
@@ -227,7 +211,7 @@ typedef unsigned long dma_device_t;
 */
 
 extern int s3c2410_dma_request(dmach_t channel,
-			       s3c2410_dma_client_t *, void *dev);
+			       struct s3c2410_dma_client *, void *dev);
 
 
 /* s3c2410_dma_ctrl
@@ -235,7 +219,7 @@ extern int s3c2410_dma_request(dmach_t channel,
  * change the state of the dma channel
 */
 
-extern int s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op);
+extern int s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op);
 
 /* s3c2410_dma_setflags
  *
@@ -250,7 +234,7 @@ extern int s3c2410_dma_setflags(dmach_t channel,
  * free the dma channel (will also abort any outstanding operations)
 */
 
-extern int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *);
+extern int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *);
 
 /* s3c2410_dma_enqueue
  *
@@ -274,7 +258,7 @@ extern int s3c2410_dma_config(dmach_t channel, int xferunit, int dcon);
  * configure the device we're talking to
 */
 
-extern int s3c2410_dma_devconfig(int channel, s3c2410_dmasrc_t source,
+extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source,
 				 int hwcfg, unsigned long devaddr);
 
 /* s3c2410_dma_getposition
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index fe0c744e026..e4a2569c636 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -247,14 +247,12 @@ extern void dmac_flush_range(unsigned long, unsigned long);
  */
 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
 	do {							\
-		flush_cache_page(vma, vaddr, page_to_pfn(page));\
 		memcpy(dst, src, len);				\
-		flush_dcache_page(page);			\
+		flush_ptrace_access(vma, page, vaddr, dst, len, 1);\
 	} while (0)
 
 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
 	do {							\
-		flush_cache_page(vma, vaddr, page_to_pfn(page));\
 		memcpy(dst, src, len);				\
 	} while (0)
 
@@ -285,10 +283,24 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned l
 		__cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
 	}
 }
+
+static inline void
+flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
+			 unsigned long uaddr, void *kaddr,
+			 unsigned long len, int write)
+{
+	if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+		unsigned long addr = (unsigned long)kaddr;
+		__cpuc_coherent_kern_range(addr, addr + len);
+	}
+}
 #else
 extern void flush_cache_mm(struct mm_struct *mm);
 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
 extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
+extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
+				unsigned long uaddr, void *kaddr,
+				unsigned long len, int write);
 #endif
 
 /*
diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h
index 406ca97a8ab..e2f1d75171d 100644
--- a/include/asm-arm/spinlock.h
+++ b/include/asm-arm/spinlock.h
@@ -199,7 +199,21 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
 	: "cc");
 }
 
-#define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
+static inline int __raw_read_trylock(raw_rwlock_t *rw)
+{
+	unsigned long tmp tmp2 = 1;
+
+	__asm__ __volatile__(
+"1:	ldrex	%0, [%2]\n"
+"	adds	%0, %0, #1\n"
+"	strexpl	%1, %0, [%2]\n"
+	: "=&r" (tmp), "+r" (tmp2)
+	: "r" (&rw->lock)
+	: "cc");
+
+	smp_mb();
+	return tmp2 == 0;
+}
 
 /* read_can_lock - would read_trylock() succeed? */
 #define __raw_read_can_lock(x)		((x)->lock < 0x80000000)
diff --git a/include/asm-i386/alternative.h b/include/asm-i386/alternative.h
index 96adbabec74..b01a7ec409c 100644
--- a/include/asm-i386/alternative.h
+++ b/include/asm-i386/alternative.h
@@ -88,9 +88,6 @@ static inline void alternatives_smp_switch(int smp) {}
 /*
  * Alternative inline assembly for SMP.
  *
- * alternative_smp() takes two versions (SMP first, UP second) and is
- * for more complex stuff such as spinlocks.
- *
  * The LOCK_PREFIX macro defined here replaces the LOCK and
  * LOCK_PREFIX macros used everywhere in the source tree.
  *
@@ -110,21 +107,6 @@ static inline void alternatives_smp_switch(int smp) {}
  */
 
 #ifdef CONFIG_SMP
-#define alternative_smp(smpinstr, upinstr, args...)			\
-	asm volatile ("661:\n\t" smpinstr "\n662:\n" 			\
-		      ".section .smp_altinstructions,\"a\"\n"		\
-		      "  .align 4\n"					\
-		      "  .long 661b\n"            /* label */		\
-		      "  .long 663f\n"		  /* new instruction */	\
-		      "  .byte 0x68\n"            /* X86_FEATURE_UP */	\
-		      "  .byte 662b-661b\n"       /* sourcelen */	\
-		      "  .byte 664f-663f\n"       /* replacementlen */	\
-		      ".previous\n"					\
-		      ".section .smp_altinstr_replacement,\"awx\"\n"   	\
-		      "663:\n\t" upinstr "\n"     /* replacement */	\
-		      "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \
-		      ".previous" : args)
-
 #define LOCK_PREFIX \
 		".section .smp_locks,\"a\"\n"	\
 		"  .align 4\n"			\
@@ -133,8 +115,6 @@ static inline void alternatives_smp_switch(int smp) {}
 	       	"661:\n\tlock; "
 
 #else /* ! CONFIG_SMP */
-#define alternative_smp(smpinstr, upinstr, args...) \
-	asm volatile (upinstr : args)
 #define LOCK_PREFIX ""
 #endif
 
diff --git a/include/asm-i386/mach-default/mach_mpspec.h b/include/asm-i386/mach-default/mach_mpspec.h
index 6b5dadcf1d0..51c9a977593 100644
--- a/include/asm-i386/mach-default/mach_mpspec.h
+++ b/include/asm-i386/mach-default/mach_mpspec.h
@@ -3,6 +3,10 @@
 
 #define MAX_IRQ_SOURCES 256
 
+#if CONFIG_BASE_SMALL == 0
+#define MAX_MP_BUSSES 256
+#else
 #define MAX_MP_BUSSES 32
+#endif
 
 #endif /* __ASM_MACH_MPSPEC_H */
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h
index 96b0bef2ea5..87c069ccba0 100644
--- a/include/asm-i386/rwlock.h
+++ b/include/asm-i386/rwlock.h
@@ -21,23 +21,21 @@
 #define RW_LOCK_BIAS_STR	"0x01000000"
 
 #define __build_read_lock_ptr(rw, helper)   \
-	alternative_smp("lock; subl $1,(%0)\n\t" \
+	asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t" \
 			"jns 1f\n" \
 			"call " helper "\n\t" \
-			"1:\n", \
-			"subl $1,(%0)\n\t", \
-			:"a" (rw) : "memory")
+			"1:\n" \
+			::"a" (rw) : "memory")
 
 #define __build_read_lock_const(rw, helper)   \
-	alternative_smp("lock; subl $1,%0\n\t" \
+	asm volatile(LOCK_PREFIX " subl $1,%0\n\t" \
 			"jns 1f\n" \
 			"pushl %%eax\n\t" \
 			"leal %0,%%eax\n\t" \
 			"call " helper "\n\t" \
 			"popl %%eax\n\t" \
-			"1:\n", \
-			"subl $1,%0\n\t", \
-			"+m" (*(volatile int *)rw) : : "memory")
+			"1:\n" \
+			:"+m" (*(volatile int *)rw) : : "memory")
 
 #define __build_read_lock(rw, helper)	do { \
 						if (__builtin_constant_p(rw)) \
@@ -47,23 +45,21 @@
 					} while (0)
 
 #define __build_write_lock_ptr(rw, helper) \
-	alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
+	asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
 			"jz 1f\n" \
 			"call " helper "\n\t" \
-			"1:\n", \
-			"subl $" RW_LOCK_BIAS_STR ",(%0)\n\t", \
-			:"a" (rw) : "memory")
+			"1:\n" \
+			::"a" (rw) : "memory")
 
 #define __build_write_lock_const(rw, helper) \
-	alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
+	asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
 			"jz 1f\n" \
 			"pushl %%eax\n\t" \
 			"leal %0,%%eax\n\t" \
 			"call " helper "\n\t" \
 			"popl %%eax\n\t" \
-			"1:\n", \
-			"subl $" RW_LOCK_BIAS_STR ",%0\n\t", \
-			"+m" (*(volatile int *)rw) : : "memory")
+			"1:\n" \
+			:"+m" (*(volatile int *)rw) : : "memory")
 
 #define __build_write_lock(rw, helper)	do { \
 						if (__builtin_constant_p(rw)) \
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index d816c62a7a1..d1020363c41 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -22,7 +22,7 @@
 
 #define __raw_spin_lock_string \
 	"\n1:\t" \
-	"lock ; decb %0\n\t" \
+	LOCK_PREFIX " ; decb %0\n\t" \
 	"jns 3f\n" \
 	"2:\t" \
 	"rep;nop\n\t" \
@@ -38,7 +38,7 @@
  */
 #define __raw_spin_lock_string_flags \
 	"\n1:\t" \
-	"lock ; decb %0\n\t" \
+	LOCK_PREFIX " ; decb %0\n\t" \
 	"jns 5f\n" \
 	"2:\t" \
 	"testl $0x200, %1\n\t" \
@@ -57,15 +57,9 @@
 	"jmp 4b\n" \
 	"5:\n\t"
 
-#define __raw_spin_lock_string_up \
-	"\n\tdecb %0"
-
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
-	alternative_smp(
-		__raw_spin_lock_string,
-		__raw_spin_lock_string_up,
-		"+m" (lock->slock) : : "memory");
+	asm(__raw_spin_lock_string : "+m" (lock->slock) : : "memory");
 }
 
 /*
@@ -76,10 +70,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 #ifndef CONFIG_PROVE_LOCKING
 static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
 {
-	alternative_smp(
-		__raw_spin_lock_string_flags,
-		__raw_spin_lock_string_up,
-		"+m" (lock->slock) : "r" (flags) : "memory");
+	asm(__raw_spin_lock_string_flags : "+m" (lock->slock) : "r" (flags) : "memory");
 }
 #endif
 
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index fc1c8ddae14..d983b74e4d9 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -324,8 +324,6 @@
 #define __NR_vmsplice		316
 #define __NR_move_pages		317
 
-#ifdef __KERNEL__
-
 #define NR_syscalls 318
 
 /*
@@ -425,6 +423,8 @@ __asm__ volatile ("push %%ebp ; push %%ebx ; movl 4(%2),%%ebp ; " \
 __syscall_return(type,__res); \
 }
 
+#ifdef __KERNEL__
+
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h
index 69f0f1df672..4c1a0b96856 100644
--- a/include/asm-i386/unwind.h
+++ b/include/asm-i386/unwind.h
@@ -87,6 +87,7 @@ static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
 #else
 
 #define UNW_PC(frame) ((void)(frame), 0)
+#define UNW_SP(frame) ((void)(frame), 0)
 
 static inline int arch_unw_user_mode(const void *info)
 {
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index bd4452bda35..ba826b3f75b 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -706,12 +706,9 @@ static inline int
 sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
 {
 	struct ia64_sal_retval ret_stuff;
-	unsigned long irq_flags;
 
-	local_irq_save(irq_flags);
 	ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
 				(u64)nasid_array, perms, 0, 0, 0);
-	local_irq_restore(irq_flags);
 	return ret_stuff.status;
 }
 #define SN_MEMPROT_ACCESS_CLASS_0		0x14a080
@@ -1143,12 +1140,9 @@ static inline int
 sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
 {
 	struct ia64_sal_retval ret_stuff;
-	unsigned long irq_flags;
 
-	local_irq_save(irq_flags);
 	ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
 				(u64)ecc, 0, 0, 0, 0);
-	local_irq_restore(irq_flags);
 	return ret_stuff.status;
 }
 
diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h
index 9bd2f9bf329..6f807e0193b 100644
--- a/include/asm-ia64/sn/xp.h
+++ b/include/asm-ia64/sn/xp.h
@@ -60,23 +60,37 @@
  * the bte_copy() once in the hope that the failure was due to a temporary
  * aberration (i.e., the link going down temporarily).
  *
- * See bte_copy for definition of the input parameters.
+ * 	src - physical address of the source of the transfer.
+ *	vdst - virtual address of the destination of the transfer.
+ *	len - number of bytes to transfer from source to destination.
+ *	mode - see bte_copy() for definition.
+ *	notification - see bte_copy() for definition.
  *
  * Note: xp_bte_copy() should never be called while holding a spinlock.
  */
 static inline bte_result_t
-xp_bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
+xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
 {
 	bte_result_t ret;
+	u64 pdst = ia64_tpa(vdst);
 
 
-	ret = bte_copy(src, dest, len, mode, notification);
+	/*
+	 * Ensure that the physically mapped memory is contiguous.
+	 *
+	 * We do this by ensuring that the memory is from region 7 only.
+	 * If the need should arise to use memory from one of the other
+	 * regions, then modify the BUG_ON() statement to ensure that the
+	 * memory from that region is always physically contiguous.
+	 */
+	BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL);
 
+	ret = bte_copy(src, pdst, len, mode, notification);
 	if (ret != BTE_SUCCESS) {
 		if (!in_interrupt()) {
 			cond_resched();
 		}
-		ret = bte_copy(src, dest, len, mode, notification);
+		ret = bte_copy(src, pdst, len, mode, notification);
 	}
 
 	return ret;
diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h
index b72af597878..35e1386f37a 100644
--- a/include/asm-ia64/sn/xpc.h
+++ b/include/asm-ia64/sn/xpc.h
@@ -683,7 +683,9 @@ extern struct xpc_vars *xpc_vars;
 extern struct xpc_rsvd_page *xpc_rsvd_page;
 extern struct xpc_vars_part *xpc_vars_part;
 extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
-extern char xpc_remote_copy_buffer[];
+extern char *xpc_remote_copy_buffer;
+extern void *xpc_remote_copy_buffer_base;
+extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **);
 extern struct xpc_rsvd_page *xpc_rsvd_page_init(void);
 extern void xpc_allow_IPI_ops(void);
 extern void xpc_restrict_IPI_ops(void);
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index a9496f34b04..36c4c34bf56 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -72,6 +72,9 @@ extern unsigned long pci_io_base;
  * Neither do the standard versions now, these are just here
  * for older code.
  */
+#define insb(port, buf, ns)	_insb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
+#define insw(port, buf, ns)	_insw_ns((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
+#define insl(port, buf, nl)	_insl_ns((u8 __iomem *)((port)+pci_io_base), (buf), (nl))
 #define insw_ns(port, buf, ns)	_insw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define insl_ns(port, buf, nl)	_insl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
 #else
@@ -137,12 +140,12 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr)
 #define insw_ns(port, buf, ns)	eeh_insw_ns((port), (buf), (ns))
 #define insl_ns(port, buf, nl)	eeh_insl_ns((port), (buf), (nl))
 
+#endif
+
 #define outsb(port, buf, ns)  _outsb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define outsw(port, buf, ns)  _outsw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define outsl(port, buf, nl)  _outsl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
 
-#endif
-
 #define readb_relaxed(addr) readb(addr)
 #define readw_relaxed(addr) readw(addr)
 #define readl_relaxed(addr) readl(addr)
diff --git a/include/asm-powerpc/ipic.h b/include/asm-powerpc/ipic.h
index 0fe396a2b66..53079ec3a51 100644
--- a/include/asm-powerpc/ipic.h
+++ b/include/asm-powerpc/ipic.h
@@ -69,9 +69,6 @@ enum ipic_mcp_irq {
 	IPIC_MCP_MU   = 7,
 };
 
-extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
-		unsigned int irq_offset,
-		unsigned char *senses, unsigned int senses_count);
 extern int ipic_set_priority(unsigned int irq, unsigned int priority);
 extern void ipic_set_highest_priority(unsigned int irq);
 extern void ipic_set_default_priority(void);
@@ -79,7 +76,16 @@ extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq);
 extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq);
 extern u32 ipic_get_mcp_status(void);
 extern void ipic_clear_mcp_status(u32 mask);
+
+#ifdef CONFIG_PPC_MERGE
+extern void ipic_init(struct device_node *node, unsigned int flags);
+extern unsigned int ipic_get_irq(struct pt_regs *regs);
+#else
+extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
+		unsigned int irq_offset,
+		unsigned char *senses, unsigned int senses_count);
 extern int ipic_get_irq(struct pt_regs *regs);
+#endif
 
 #endif /* __ASM_IPIC_H__ */
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/mpc86xx.h b/include/asm-powerpc/mpc86xx.h
index f260382739f..b85df45b1a8 100644
--- a/include/asm-powerpc/mpc86xx.h
+++ b/include/asm-powerpc/mpc86xx.h
@@ -23,8 +23,6 @@
 #define _ISA_MEM_BASE   isa_mem_base
 #ifdef CONFIG_PCI
 #define PCI_DRAM_OFFSET pci_dram_offset
-#else
-#define PCI_DRAM_OFFSET 0
 #endif
 
 #define CPU0_BOOT_RELEASE 0x01000000
@@ -33,7 +31,6 @@
 #define MCM_PORT_CONFIG_OFFSET 0x1010
 
 /* Offset from CCSRBAR */
-#define MPC86xx_OPENPIC_OFFSET	(0x40000)
 #define MPC86xx_MCM_OFFSET      (0x00000)
 #define MPC86xx_MCM_SIZE        (0x02000)
 
diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h
index eb241c99c45..a9f9604b9ef 100644
--- a/include/asm-powerpc/mpic.h
+++ b/include/asm-powerpc/mpic.h
@@ -41,6 +41,7 @@
 #define MPIC_GREG_IPI_VECTOR_PRI_1	0x000b0
 #define MPIC_GREG_IPI_VECTOR_PRI_2	0x000c0
 #define MPIC_GREG_IPI_VECTOR_PRI_3	0x000d0
+#define MPIC_GREG_IPI_STRIDE		0x10
 #define MPIC_GREG_SPURIOUS		0x000e0
 #define MPIC_GREG_TIMER_FREQ		0x000f0
 
@@ -68,6 +69,7 @@
 #define MPIC_CPU_IPI_DISPATCH_1		0x00050
 #define MPIC_CPU_IPI_DISPATCH_2		0x00060
 #define MPIC_CPU_IPI_DISPATCH_3		0x00070
+#define MPIC_CPU_IPI_DISPATCH_STRIDE	0x00010
 #define MPIC_CPU_CURRENT_TASK_PRI	0x00080
 #define 	MPIC_CPU_TASKPRI_MASK			0x0000000f
 #define MPIC_CPU_WHOAMI			0x00090
@@ -114,6 +116,103 @@
 #define MPIC_VEC_TIMER_1	248
 #define MPIC_VEC_TIMER_0	247
 
+/*
+ * Tsi108 implementation of MPIC has many differences from the original one
+ */
+
+/*
+ * Global registers
+ */
+
+#define TSI108_GREG_BASE		0x00000
+#define TSI108_GREG_FEATURE_0		0x00000
+#define TSI108_GREG_GLOBAL_CONF_0	0x00004
+#define TSI108_GREG_VENDOR_ID		0x0000c
+#define TSI108_GREG_IPI_VECTOR_PRI_0	0x00204		/* Doorbell 0 */
+#define TSI108_GREG_IPI_STRIDE		0x0c
+#define TSI108_GREG_SPURIOUS		0x00010
+#define TSI108_GREG_TIMER_FREQ		0x00014
+
+/*
+ * Timer registers
+ */
+#define TSI108_TIMER_BASE		0x0030
+#define TSI108_TIMER_STRIDE		0x10
+#define TSI108_TIMER_CURRENT_CNT	0x00000
+#define TSI108_TIMER_BASE_CNT		0x00004
+#define TSI108_TIMER_VECTOR_PRI		0x00008
+#define TSI108_TIMER_DESTINATION	0x0000c
+
+/*
+ * Per-Processor registers
+ */
+#define TSI108_CPU_BASE			0x00300
+#define TSI108_CPU_STRIDE		0x00040
+#define TSI108_CPU_IPI_DISPATCH_0	0x00200
+#define TSI108_CPU_IPI_DISPATCH_STRIDE	0x00000
+#define TSI108_CPU_CURRENT_TASK_PRI	0x00000
+#define TSI108_CPU_WHOAMI		0xffffffff
+#define TSI108_CPU_INTACK		0x00004
+#define TSI108_CPU_EOI			0x00008
+
+/*
+ * Per-source registers
+ */
+#define TSI108_IRQ_BASE			0x00100
+#define TSI108_IRQ_STRIDE		0x00008
+#define TSI108_IRQ_VECTOR_PRI		0x00000
+#define TSI108_VECPRI_VECTOR_MASK	0x000000ff
+#define TSI108_VECPRI_POLARITY_POSITIVE	0x01000000
+#define TSI108_VECPRI_POLARITY_NEGATIVE	0x00000000
+#define TSI108_VECPRI_SENSE_LEVEL	0x02000000
+#define TSI108_VECPRI_SENSE_EDGE	0x00000000
+#define TSI108_VECPRI_POLARITY_MASK	0x01000000
+#define TSI108_VECPRI_SENSE_MASK	0x02000000
+#define TSI108_IRQ_DESTINATION		0x00004
+
+/* weird mpic register indices and mask bits in the HW info array */
+enum {
+	MPIC_IDX_GREG_BASE = 0,
+	MPIC_IDX_GREG_FEATURE_0,
+	MPIC_IDX_GREG_GLOBAL_CONF_0,
+	MPIC_IDX_GREG_VENDOR_ID,
+	MPIC_IDX_GREG_IPI_VECTOR_PRI_0,
+	MPIC_IDX_GREG_IPI_STRIDE,
+	MPIC_IDX_GREG_SPURIOUS,
+	MPIC_IDX_GREG_TIMER_FREQ,
+
+	MPIC_IDX_TIMER_BASE,
+	MPIC_IDX_TIMER_STRIDE,
+	MPIC_IDX_TIMER_CURRENT_CNT,
+	MPIC_IDX_TIMER_BASE_CNT,
+	MPIC_IDX_TIMER_VECTOR_PRI,
+	MPIC_IDX_TIMER_DESTINATION,
+
+	MPIC_IDX_CPU_BASE,
+	MPIC_IDX_CPU_STRIDE,
+	MPIC_IDX_CPU_IPI_DISPATCH_0,
+	MPIC_IDX_CPU_IPI_DISPATCH_STRIDE,
+	MPIC_IDX_CPU_CURRENT_TASK_PRI,
+	MPIC_IDX_CPU_WHOAMI,
+	MPIC_IDX_CPU_INTACK,
+	MPIC_IDX_CPU_EOI,
+
+	MPIC_IDX_IRQ_BASE,
+	MPIC_IDX_IRQ_STRIDE,
+	MPIC_IDX_IRQ_VECTOR_PRI,
+
+	MPIC_IDX_VECPRI_VECTOR_MASK,
+	MPIC_IDX_VECPRI_POLARITY_POSITIVE,
+	MPIC_IDX_VECPRI_POLARITY_NEGATIVE,
+	MPIC_IDX_VECPRI_SENSE_LEVEL,
+	MPIC_IDX_VECPRI_SENSE_EDGE,
+	MPIC_IDX_VECPRI_POLARITY_MASK,
+	MPIC_IDX_VECPRI_SENSE_MASK,
+	MPIC_IDX_IRQ_DESTINATION,
+	MPIC_IDX_END
+};
+
+
 #ifdef CONFIG_MPIC_BROKEN_U3
 /* Fixup table entry */
 struct mpic_irq_fixup
@@ -171,15 +270,29 @@ struct mpic
 	volatile u32 __iomem	*cpuregs[MPIC_MAX_CPUS];
 	volatile u32 __iomem	*isus[MPIC_MAX_ISU];
 
+#ifdef CONFIG_MPIC_WEIRD
+	/* Pointer to HW info array */
+	u32			*hw_set;
+#endif
+
 	/* link */
 	struct mpic		*next;
 };
 
+/*
+ * MPIC flags (passed to mpic_alloc)
+ *
+ * The top 4 bits contain an MPIC bhw id that is used to index the
+ * register offsets and some masks when CONFIG_MPIC_WEIRD is set.
+ * Note setting any ID (leaving those bits to 0) means standard MPIC
+ */
+
 /* This is the primary controller, only that one has IPIs and
  * has afinity control. A non-primary MPIC always uses CPU0
  * registers only
  */
 #define MPIC_PRIMARY			0x00000001
+
 /* Set this for a big-endian MPIC */
 #define MPIC_BIG_ENDIAN			0x00000002
 /* Broken U3 MPIC */
@@ -188,6 +301,18 @@ struct mpic
 #define MPIC_BROKEN_IPI			0x00000008
 /* MPIC wants a reset */
 #define MPIC_WANTS_RESET		0x00000010
+/* Spurious vector requires EOI */
+#define MPIC_SPV_EOI			0x00000020
+/* No passthrough disable */
+#define MPIC_NO_PTHROU_DIS		0x00000040
+
+/* MPIC HW modification ID */
+#define MPIC_REGSET_MASK		0xf0000000
+#define MPIC_REGSET(val)		(((val) & 0xf ) << 28)
+#define MPIC_GET_REGSET(flags)		(((flags) >> 28) & 0xf)
+
+#define	MPIC_REGSET_STANDARD		MPIC_REGSET(0)	/* Original MPIC */
+#define	MPIC_REGSET_TSI108		MPIC_REGSET(1)	/* Tsi108/109 PIC */
 
 /* Allocate the controller structure and setup the linux irq descs
  * for the range if interrupts passed in. No HW initialization is
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index b095a285c84..d0fa1b9aed3 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -276,6 +276,7 @@ extern void of_irq_map_init(unsigned int flags);
  * of_irq_map_raw - Low level interrupt tree parsing
  * @parent:	the device interrupt parent
  * @intspec:	interrupt specifier ("interrupts" property of the device)
+ * @ointsize:   size of the passed in interrupt specifier
  * @addr:	address specifier (start of "reg" property of the device)
  * @out_irq:	structure of_irq filled by this function
  *
@@ -288,7 +289,8 @@ extern void of_irq_map_init(unsigned int flags);
  *
  */
 
-extern int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
+extern int of_irq_map_raw(struct device_node *parent, u32 *intspec,
+			  u32 ointsize, u32 *addr,
 			  struct of_irq *out_irq);
 
 
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index dcde4410348..5785ac4737b 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -30,10 +30,6 @@ extern unsigned long tb_ticks_per_usec;
 extern unsigned long tb_ticks_per_sec;
 extern u64 tb_to_xs;
 extern unsigned      tb_to_us;
-extern unsigned long tb_last_stamp;
-extern u64 tb_last_jiffy;
-
-DECLARE_PER_CPU(unsigned long, last_jiffy);
 
 struct rtc_time;
 extern void to_tm(int tim, struct rtc_time * tm);
diff --git a/include/asm-x86_64/alternative.h b/include/asm-x86_64/alternative.h
index aa67bfd1b3c..a584826cc57 100644
--- a/include/asm-x86_64/alternative.h
+++ b/include/asm-x86_64/alternative.h
@@ -4,6 +4,7 @@
 #ifdef __KERNEL__
 
 #include <linux/types.h>
+#include <asm/cpufeature.h>
 
 struct alt_instr {
 	u8 *instr; 		/* original instruction */
@@ -102,9 +103,6 @@ static inline void alternatives_smp_switch(int smp) {}
 /*
  * Alternative inline assembly for SMP.
  *
- * alternative_smp() takes two versions (SMP first, UP second) and is
- * for more complex stuff such as spinlocks.
- *
  * The LOCK_PREFIX macro defined here replaces the LOCK and
  * LOCK_PREFIX macros used everywhere in the source tree.
  *
@@ -124,21 +122,6 @@ static inline void alternatives_smp_switch(int smp) {}
  */
 
 #ifdef CONFIG_SMP
-#define alternative_smp(smpinstr, upinstr, args...)			\
-	asm volatile ("661:\n\t" smpinstr "\n662:\n"			\
-		      ".section .smp_altinstructions,\"a\"\n"		\
-		      "  .align 8\n"					\
-		      "  .quad 661b\n"            /* label */		\
-		      "  .quad 663f\n"		  /* new instruction */	\
-		      "  .byte 0x66\n"            /* X86_FEATURE_UP */	\
-		      "  .byte 662b-661b\n"       /* sourcelen */	\
-		      "  .byte 664f-663f\n"       /* replacementlen */	\
-		      ".previous\n"					\
-		      ".section .smp_altinstr_replacement,\"awx\"\n"	\
-		      "663:\n\t" upinstr "\n"     /* replacement */	\
-		      "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \
-		      ".previous" : args)
-
 #define LOCK_PREFIX \
 		".section .smp_locks,\"a\"\n"	\
 		"  .align 8\n"			\
@@ -147,8 +130,6 @@ static inline void alternatives_smp_switch(int smp) {}
 	       	"661:\n\tlock; "
 
 #else /* ! CONFIG_SMP */
-#define alternative_smp(smpinstr, upinstr, args...) \
-	asm volatile (upinstr : args)
 #define LOCK_PREFIX ""
 #endif
 
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 3b3c1217fe6..de9c3147ee4 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -232,8 +232,14 @@ struct tss_struct {
 	unsigned long io_bitmap[IO_BITMAP_LONGS + 1];
 } __attribute__((packed)) ____cacheline_aligned;
 
+
 extern struct cpuinfo_x86 boot_cpu_data;
 DECLARE_PER_CPU(struct tss_struct,init_tss);
+/* Save the original ist values for checking stack pointers during debugging */
+struct orig_ist {
+	unsigned long ist[7];
+};
+DECLARE_PER_CPU(struct orig_ist, orig_ist);
 
 #ifdef CONFIG_X86_VSMP
 #define ARCH_MIN_TASKALIGN	(1 << INTERNODE_CACHE_SHIFT)
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index 8d3421996f9..248a79f0eaf 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -21,7 +21,7 @@
 
 #define __raw_spin_lock_string \
 	"\n1:\t" \
-	"lock ; decl %0\n\t" \
+	LOCK_PREFIX " ; decl %0\n\t" \
 	"js 2f\n" \
 	LOCK_SECTION_START("") \
 	"2:\t" \
@@ -40,10 +40,7 @@
 
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
-	alternative_smp(
-		__raw_spin_lock_string,
-		__raw_spin_lock_string_up,
-		"=m" (lock->slock) : : "memory");
+	asm volatile(__raw_spin_lock_string : "=m" (lock->slock) : : "memory");
 }
 
 #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
@@ -125,12 +122,12 @@ static inline int __raw_write_trylock(raw_rwlock_t *lock)
 
 static inline void __raw_read_unlock(raw_rwlock_t *rw)
 {
-	asm volatile("lock ; incl %0" :"=m" (rw->lock) : : "memory");
+	asm volatile(LOCK_PREFIX " ; incl %0" :"=m" (rw->lock) : : "memory");
 }
 
 static inline void __raw_write_unlock(raw_rwlock_t *rw)
 {
-	asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ",%0"
+	asm volatile(LOCK_PREFIX " ; addl $" RW_LOCK_BIAS_STR ",%0"
 				: "=m" (rw->lock) : : "memory");
 }
 
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 94387c915e5..2d89d309a2a 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -620,8 +620,6 @@ __SYSCALL(__NR_vmsplice, sys_vmsplice)
 #define __NR_move_pages		279
 __SYSCALL(__NR_move_pages, sys_move_pages)
 
-#ifdef __KERNEL__
-
 #define __NR_syscall_max __NR_move_pages
 
 #ifndef __NO_STUBS
@@ -746,6 +744,8 @@ __syscall_return(type,__res); \
 
 #else /* __KERNEL_SYSCALLS__ */
 
+#ifdef __KERNEL__
+
 #include <linux/syscalls.h>
 #include <asm/ptrace.h>
 
@@ -838,9 +838,9 @@ asmlinkage long sys_rt_sigaction(int sig,
 				struct sigaction __user *oact,
 				size_t sigsetsize);
 
-#endif	/* __ASSEMBLY__ */
+#endif
 
-#endif /* __NO_STUBS */
+#endif
 
 /*
  * "Conditional" syscalls
@@ -850,5 +850,6 @@ asmlinkage long sys_rt_sigaction(int sig,
  */
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 
-#endif /* __KERNEL__ */
+#endif
+
 #endif
diff --git a/include/asm-x86_64/unwind.h b/include/asm-x86_64/unwind.h
index f3e7124effe..1f6e9bfb569 100644
--- a/include/asm-x86_64/unwind.h
+++ b/include/asm-x86_64/unwind.h
@@ -95,6 +95,7 @@ static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
 #else
 
 #define UNW_PC(frame) ((void)(frame), 0)
+#define UNW_SP(frame) ((void)(frame), 0)
 
 static inline int arch_unw_user_mode(const void *info)
 {
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h
index 11487b6e712..561e2a77805 100644
--- a/include/linux/delayacct.h
+++ b/include/linux/delayacct.h
@@ -59,10 +59,14 @@ static inline void delayacct_tsk_init(struct task_struct *tsk)
 		__delayacct_tsk_init(tsk);
 }
 
-static inline void delayacct_tsk_exit(struct task_struct *tsk)
+/* Free tsk->delays. Called from bad fork and __put_task_struct
+ * where there's no risk of tsk->delays being accessed elsewhere
+ */
+static inline void delayacct_tsk_free(struct task_struct *tsk)
 {
 	if (tsk->delays)
-		__delayacct_tsk_exit(tsk);
+		kmem_cache_free(delayacct_cache, tsk->delays);
+	tsk->delays = NULL;
 }
 
 static inline void delayacct_blkio_start(void)
@@ -101,7 +105,7 @@ static inline void delayacct_init(void)
 {}
 static inline void delayacct_tsk_init(struct task_struct *tsk)
 {}
-static inline void delayacct_tsk_exit(struct task_struct *tsk)
+static inline void delayacct_tsk_free(struct task_struct *tsk)
 {}
 static inline void delayacct_blkio_start(void)
 {}
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 656b588a9f9..f45163c528e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -77,6 +77,7 @@ struct per_cpu_pages {
 struct per_cpu_pageset {
 	struct per_cpu_pages pcp[2];	/* 0: hot.  1: cold */
 #ifdef CONFIG_SMP
+	s8 stat_threshold;
 	s8 vm_stat_diff[NR_VM_ZONE_STAT_ITEMS];
 #endif
 } ____cacheline_aligned_in_smp;
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4c2839eab7f..c91164ea3de 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1292,6 +1292,7 @@
 #define PCI_DEVICE_ID_VIA_8367_0	0x3099
 #define PCI_DEVICE_ID_VIA_8653_0	0x3101
 #define PCI_DEVICE_ID_VIA_8622		0x3102
+#define PCI_DEVICE_ID_VIA_8235_USB_2	0x3104
 #define PCI_DEVICE_ID_VIA_8233C_0	0x3109
 #define PCI_DEVICE_ID_VIA_8361		0x3112
 #define PCI_DEVICE_ID_VIA_XM266		0x3116
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6674fc1e51b..34ed0d99b1b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -994,7 +994,6 @@ struct task_struct {
 	 */
 	struct pipe_inode_info *splice_pipe;
 #ifdef	CONFIG_TASK_DELAY_ACCT
-	spinlock_t delays_lock;
 	struct task_delay_info *delays;
 #endif
 };