Merge commit 'v2.6.26-rc8' into x86/xen

Conflicts:

	arch/x86/xen/enlighten.c
	arch/x86/xen/mmu.c

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

40 files changed, 224 insertions, 97 deletions

diff --git a/include/asm-alpha/core_mcpcia.h b/include/asm-alpha/core_mcpcia.h
index 525b4f6..acf55b4 100644
--- a/include/asm-alpha/core_mcpcia.h
+++ b/include/asm-alpha/core_mcpcia.h
@@ -261,7 +261,7 @@ struct el_MCPCIA_uncorrected_frame_mcheck {
 	}
 #endif
 
-static inline int __mcpcia_is_mmio(unsigned long addr)
+extern inline int __mcpcia_is_mmio(unsigned long addr)
 {
 	return (addr & 0x80000000UL) == 0;
 }
diff --git a/include/asm-alpha/core_t2.h b/include/asm-alpha/core_t2.h
index 90e6b5d..46bfff5 100644
--- a/include/asm-alpha/core_t2.h
+++ b/include/asm-alpha/core_t2.h
@@ -356,13 +356,13 @@ struct el_t2_frame_corrected {
 #define vip	volatile int *
 #define vuip	volatile unsigned int *
 
-static inline u8 t2_inb(unsigned long addr)
+extern inline u8 t2_inb(unsigned long addr)
 {
 	long result = *(vip) ((addr << 5) + T2_IO + 0x00);
 	return __kernel_extbl(result, addr & 3);
 }
 
-static inline void t2_outb(u8 b, unsigned long addr)
+extern inline void t2_outb(u8 b, unsigned long addr)
 {
 	unsigned long w;
 
@@ -371,13 +371,13 @@ static inline void t2_outb(u8 b, unsigned long addr)
 	mb();
 }
 
-static inline u16 t2_inw(unsigned long addr)
+extern inline u16 t2_inw(unsigned long addr)
 {
 	long result = *(vip) ((addr << 5) + T2_IO + 0x08);
 	return __kernel_extwl(result, addr & 3);
 }
 
-static inline void t2_outw(u16 b, unsigned long addr)
+extern inline void t2_outw(u16 b, unsigned long addr)
 {
 	unsigned long w;
 
@@ -386,12 +386,12 @@ static inline void t2_outw(u16 b, unsigned long addr)
 	mb();
 }
 
-static inline u32 t2_inl(unsigned long addr)
+extern inline u32 t2_inl(unsigned long addr)
 {
 	return *(vuip) ((addr << 5) + T2_IO + 0x18);
 }
 
-static inline void t2_outl(u32 b, unsigned long addr)
+extern inline void t2_outl(u32 b, unsigned long addr)
 {
 	*(vuip) ((addr << 5) + T2_IO + 0x18) = b;
 	mb();
@@ -435,7 +435,7 @@ static inline void t2_outl(u32 b, unsigned long addr)
 	set_hae(msb); \
 }
 
-static DEFINE_SPINLOCK(t2_hae_lock);
+extern spinlock_t t2_hae_lock;
 
 /*
  * NOTE: take T2_DENSE_MEM off in each readX/writeX routine, since
diff --git a/include/asm-alpha/io.h b/include/asm-alpha/io.h
index 38f18cf..e971ab0 100644
--- a/include/asm-alpha/io.h
+++ b/include/asm-alpha/io.h
@@ -35,7 +35,7 @@
  * register not being up-to-date with respect to the hardware
  * value.
  */
-static inline void __set_hae(unsigned long new_hae)
+extern inline void __set_hae(unsigned long new_hae)
 {
 	unsigned long flags;
 	local_irq_save(flags);
@@ -49,7 +49,7 @@ static inline void __set_hae(unsigned long new_hae)
 	local_irq_restore(flags);
 }
 
-static inline void set_hae(unsigned long new_hae)
+extern inline void set_hae(unsigned long new_hae)
 {
 	if (new_hae != alpha_mv.hae_cache)
 		__set_hae(new_hae);
@@ -176,7 +176,7 @@ REMAP2(u64, writeq, volatile)
 #undef REMAP1
 #undef REMAP2
 
-static inline void __iomem *generic_ioportmap(unsigned long a)
+extern inline void __iomem *generic_ioportmap(unsigned long a)
 {
 	return alpha_mv.mv_ioportmap(a);
 }
diff --git a/include/asm-alpha/mmu_context.h b/include/asm-alpha/mmu_context.h
index 6a5be1f..86c08a0 100644
--- a/include/asm-alpha/mmu_context.h
+++ b/include/asm-alpha/mmu_context.h
@@ -23,7 +23,7 @@
 #endif
 
 
-extern inline unsigned long
+static inline unsigned long
 __reload_thread(struct pcb_struct *pcb)
 {
 	register unsigned long a0 __asm__("$16");
@@ -114,7 +114,7 @@ extern unsigned long last_asn;
 #define __MMU_EXTERN_INLINE
 #endif
 
-static inline unsigned long
+extern inline unsigned long
 __get_new_mm_context(struct mm_struct *mm, long cpu)
 {
 	unsigned long asn = cpu_last_asn(cpu);
@@ -226,7 +226,7 @@ ev4_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
 # endif
 #endif
 
-extern inline int
+static inline int
 init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 {
 	int i;
diff --git a/include/asm-alpha/percpu.h b/include/asm-alpha/percpu.h
index 48348fe..3495e8e 100644
--- a/include/asm-alpha/percpu.h
+++ b/include/asm-alpha/percpu.h
@@ -1,6 +1,78 @@
 #ifndef __ALPHA_PERCPU_H
 #define __ALPHA_PERCPU_H
+#include <linux/compiler.h>
+#include <linux/threads.h>
 
-#include <asm-generic/percpu.h>
+/*
+ * Determine the real variable name from the name visible in the
+ * kernel sources.
+ */
+#define per_cpu_var(var) per_cpu__##var
+
+#ifdef CONFIG_SMP
+
+/*
+ * per_cpu_offset() is the offset that has to be added to a
+ * percpu variable to get to the instance for a certain processor.
+ */
+extern unsigned long __per_cpu_offset[NR_CPUS];
+
+#define per_cpu_offset(x) (__per_cpu_offset[x])
+
+#define __my_cpu_offset per_cpu_offset(raw_smp_processor_id())
+#ifdef CONFIG_DEBUG_PREEMPT
+#define my_cpu_offset per_cpu_offset(smp_processor_id())
+#else
+#define my_cpu_offset __my_cpu_offset
+#endif
+
+#ifndef MODULE
+#define SHIFT_PERCPU_PTR(var, offset) RELOC_HIDE(&per_cpu_var(var), (offset))
+#define PER_CPU_ATTRIBUTES
+#else
+/*
+ * To calculate addresses of locally defined variables, GCC uses 32-bit
+ * displacement from the GP. Which doesn't work for per cpu variables in
+ * modules, as an offset to the kernel per cpu area is way above 4G.
+ *
+ * This forces allocation of a GOT entry for per cpu variable using
+ * ldq instruction with a 'literal' relocation.
+ */
+#define SHIFT_PERCPU_PTR(var, offset) ({		\
+	extern int simple_identifier_##var(void);	\
+	unsigned long __ptr, tmp_gp;			\
+	asm (  "br	%1, 1f		  	      \n\
+	1:	ldgp	%1, 0(%1)	    	      \n\
+		ldq %0, per_cpu__" #var"(%1)\t!literal"		\
+		: "=&r"(__ptr), "=&r"(tmp_gp));		\
+	(typeof(&per_cpu_var(var)))(__ptr + (offset)); })
+
+#define PER_CPU_ATTRIBUTES	__used
+
+#endif /* MODULE */
+
+/*
+ * A percpu variable may point to a discarded regions. The following are
+ * established ways to produce a usable pointer from the percpu variable
+ * offset.
+ */
+#define per_cpu(var, cpu) \
+	(*SHIFT_PERCPU_PTR(var, per_cpu_offset(cpu)))
+#define __get_cpu_var(var) \
+	(*SHIFT_PERCPU_PTR(var, my_cpu_offset))
+#define __raw_get_cpu_var(var) \
+	(*SHIFT_PERCPU_PTR(var, __my_cpu_offset))
+
+#else /* ! SMP */
+
+#define per_cpu(var, cpu)		(*((void)(cpu), &per_cpu_var(var)))
+#define __get_cpu_var(var)		per_cpu_var(var)
+#define __raw_get_cpu_var(var)		per_cpu_var(var)
+
+#define PER_CPU_ATTRIBUTES
+
+#endif /* SMP */
+
+#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu_var(name)
 
 #endif /* __ALPHA_PERCPU_H */
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index ed221d6..afe20fa 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -184,7 +184,7 @@ enum amask_enum {
    __amask; })
 
 #define __CALL_PAL_R0(NAME, TYPE)				\
-static inline TYPE NAME(void)					\
+extern inline TYPE NAME(void)					\
 {								\
 	register TYPE __r0 __asm__("$0");			\
 	__asm__ __volatile__(					\
@@ -196,7 +196,7 @@ static inline TYPE NAME(void)					\
 }
 
 #define __CALL_PAL_W1(NAME, TYPE0)				\
-static inline void NAME(TYPE0 arg0)				\
+extern inline void NAME(TYPE0 arg0)				\
 {								\
 	register TYPE0 __r16 __asm__("$16") = arg0;		\
 	__asm__ __volatile__(					\
@@ -207,7 +207,7 @@ static inline void NAME(TYPE0 arg0)				\
 }
 
 #define __CALL_PAL_W2(NAME, TYPE0, TYPE1)			\
-static inline void NAME(TYPE0 arg0, TYPE1 arg1)			\
+extern inline void NAME(TYPE0 arg0, TYPE1 arg1)			\
 {								\
 	register TYPE0 __r16 __asm__("$16") = arg0;		\
 	register TYPE1 __r17 __asm__("$17") = arg1;		\
@@ -219,7 +219,7 @@ static inline void NAME(TYPE0 arg0, TYPE1 arg1)			\
 }
 
 #define __CALL_PAL_RW1(NAME, RTYPE, TYPE0)			\
-static inline RTYPE NAME(TYPE0 arg0)				\
+extern inline RTYPE NAME(TYPE0 arg0)				\
 {								\
 	register RTYPE __r0 __asm__("$0");			\
 	register TYPE0 __r16 __asm__("$16") = arg0;		\
@@ -232,7 +232,7 @@ static inline RTYPE NAME(TYPE0 arg0)				\
 }
 
 #define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1)		\
-static inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1)		\
+extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1)		\
 {								\
 	register RTYPE __r0 __asm__("$0");			\
 	register TYPE0 __r16 __asm__("$16") = arg0;		\
diff --git a/include/asm-alpha/vga.h b/include/asm-alpha/vga.h
index e8df1e7..c00106b 100644
--- a/include/asm-alpha/vga.h
+++ b/include/asm-alpha/vga.h
@@ -13,7 +13,7 @@
 #define VT_BUF_HAVE_MEMSETW
 #define VT_BUF_HAVE_MEMCPYW
 
-extern inline void scr_writew(u16 val, volatile u16 *addr)
+static inline void scr_writew(u16 val, volatile u16 *addr)
 {
 	if (__is_ioaddr(addr))
 		__raw_writew(val, (volatile u16 __iomem *) addr);
@@ -21,7 +21,7 @@ extern inline void scr_writew(u16 val, volatile u16 *addr)
 		*addr = val;
 }
 
-extern inline u16 scr_readw(volatile const u16 *addr)
+static inline u16 scr_readw(volatile const u16 *addr)
 {
 	if (__is_ioaddr(addr))
 		return __raw_readw((volatile const u16 __iomem *) addr);
@@ -29,7 +29,7 @@ extern inline u16 scr_readw(volatile const u16 *addr)
 		return *addr;
 }
 
-extern inline void scr_memsetw(u16 *s, u16 c, unsigned int count)
+static inline void scr_memsetw(u16 *s, u16 c, unsigned int count)
 {
 	if (__is_ioaddr(s))
 		memsetw_io((u16 __iomem *) s, c, count);
diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
index 96bd09e..2526b6e 100644
--- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
@@ -96,7 +96,7 @@ struct bfin_serial_port {
 	struct work_struct tx_dma_workqueue;
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-	struct work_struct cts_workqueue;
+	struct timer_list cts_timer;
 	int cts_pin;
 	int rts_pin;
 #endif
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index e924569..ebf592b 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -88,7 +88,7 @@ struct bfin_serial_port {
 # endif
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-	struct work_struct 	cts_workqueue;
+	struct timer_list       cts_timer;
 	int			cts_pin;
 	int			rts_pin;
 #endif
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
index 41d7b64..1bf56ff 100644
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
@@ -96,7 +96,7 @@ struct bfin_serial_port {
 	struct work_struct	tx_dma_workqueue;
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-	struct work_struct 	cts_workqueue;
+	struct timer_list 	cts_timer;
 	int		cts_pin;
 	int 		rts_pin;
 #endif
diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
index 59b4ad4..5e29446 100644
--- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
@@ -99,7 +99,7 @@ struct bfin_serial_port {
 	struct work_struct	tx_dma_workqueue;
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-	struct work_struct 	cts_workqueue;
+	struct timer_list 	cts_timer;
 	int		cts_pin;
 	int 		rts_pin;
 #endif
@@ -187,7 +187,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 
 #ifdef CONFIG_BFIN_UART1_CTSRTS
 	peripheral_request(P_UART1_RTS, DRIVER_NAME);
-	peripheral_request(P_UART1_CTS DRIVER_NAME);
+	peripheral_request(P_UART1_CTS, DRIVER_NAME);
 #endif
 #endif
 
@@ -202,7 +202,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 
 #ifdef CONFIG_BFIN_UART3_CTSRTS
 	peripheral_request(P_UART3_RTS, DRIVER_NAME);
-	peripheral_request(P_UART3_CTS DRIVER_NAME);
+	peripheral_request(P_UART3_CTS, DRIVER_NAME);
 #endif
 #endif
 	SSYNC();
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
index 30d90b5..8aa0278 100644
--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
@@ -88,7 +88,7 @@ struct bfin_serial_port {
 # endif
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-	struct work_struct 	cts_workqueue;
+	struct timer_list       cts_timer;
 	int			cts_pin;
 	int			rts_pin;
 #endif
diff --git a/include/asm-ia64/sn/simulator.h b/include/asm-ia64/sn/simulator.h
index c3fd3eb..c2611f6 100644
--- a/include/asm-ia64/sn/simulator.h
+++ b/include/asm-ia64/sn/simulator.h
@@ -8,7 +8,7 @@
 #ifndef _ASM_IA64_SN_SIMULATOR_H
 #define _ASM_IA64_SN_SIMULATOR_H
 
-
+#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_SGI_UV)
 #define SNMAGIC 0xaeeeeeee8badbeefL
 #define IS_MEDUSA()			({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
 
@@ -16,5 +16,10 @@
 #define IS_RUNNING_ON_SIMULATOR()	(sn_prom_type)
 #define IS_RUNNING_ON_FAKE_PROM()	(sn_prom_type == 2)
 extern int sn_prom_type;		/* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
+#else
+#define IS_MEDUSA()			0
+#define SIMULATOR_SLEEP()
+#define IS_RUNNING_ON_SIMULATOR()	0
+#endif
 
 #endif /* _ASM_IA64_SN_SIMULATOR_H */
diff --git a/include/asm-mips/cpu-info.h b/include/asm-mips/cpu-info.h
index 0c5a358..2de73db 100644
--- a/include/asm-mips/cpu-info.h
+++ b/include/asm-mips/cpu-info.h
@@ -56,7 +56,7 @@ struct cpuinfo_mips {
 	struct cache_desc	tcache;	/* Tertiary/split secondary cache */
 	int			srsets;	/* Shadow register sets */
 	int			core;	/* physical core number */
-#if defined(CONFIG_MIPS_MT_SMTC)
+#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
 	/*
 	 * In the MIPS MT "SMTC" model, each TC is considered
 	 * to be a "CPU" for the purposes of scheduling, but
@@ -64,7 +64,7 @@ struct cpuinfo_mips {
 	 * to all TCs within the same VPE.
 	 */
 	int			vpe_id;  /* Virtual Processor number */
-#endif /* CONFIG_MIPS_MT */
+#endif
 #ifdef CONFIG_MIPS_MT_SMTC
 	int			tc_id;   /* Thread Context number */
 #endif
diff --git a/include/asm-mips/gic.h b/include/asm-mips/gic.h
index 3a492f2..954807d 100644
--- a/include/asm-mips/gic.h
+++ b/include/asm-mips/gic.h
@@ -24,8 +24,8 @@
 
 #define MSK(n) ((1 << (n)) - 1)
 #define REG32(addr)		(*(volatile unsigned int *) (addr))
-#define REG(base, offs)		REG32((unsigned int)(base) + offs##_##OFS)
-#define REGP(base, phys)	REG32((unsigned int)(base) + (phys))
+#define REG(base, offs)		REG32((unsigned long)(base) + offs##_##OFS)
+#define REGP(base, phys)	REG32((unsigned long)(base) + (phys))
 
 /* Accessors */
 #define GIC_REG(segment, offset) \
diff --git a/include/asm-mips/lasat/serial.h b/include/asm-mips/lasat/serial.h
index bafe68b..1c37d70 100644
--- a/include/asm-mips/lasat/serial.h
+++ b/include/asm-mips/lasat/serial.h
@@ -4,10 +4,10 @@
 #define LASAT_BASE_BAUD_100 		(7372800 / 16)
 #define LASAT_UART_REGS_BASE_100	0x1c8b0000
 #define LASAT_UART_REGS_SHIFT_100	2
-#define LASATINT_UART_100		8
+#define LASATINT_UART_100		16
 
 /* * LASAT 200 boards serial configuration */
 #define LASAT_BASE_BAUD_200		(100000000 / 16 / 12)
 #define LASAT_UART_REGS_BASE_200	(Vrc5074_PHYS_BASE + 0x0300)
 #define LASAT_UART_REGS_SHIFT_200	3
-#define LASATINT_UART_200		13
+#define LASATINT_UART_200		21
diff --git a/include/asm-mips/mach-au1x00/au1000.h b/include/asm-mips/mach-au1x00/au1000.h
index 1b5064d..0d302ba 100644
--- a/include/asm-mips/mach-au1x00/au1000.h
+++ b/include/asm-mips/mach-au1x00/au1000.h
@@ -615,6 +615,7 @@ enum soc_au1500_ints {
 	AU1000_RTC_MATCH1_INT,
 	AU1000_RTC_MATCH2_INT,
 	AU1500_PCI_ERR_INT,
+	AU1500_RESERVED_INT,
 	AU1000_USB_DEV_REQ_INT,
 	AU1000_USB_DEV_SUS_INT,
 	AU1000_USB_HOST_INT,
diff --git a/include/asm-mips/pgtable-bits.h b/include/asm-mips/pgtable-bits.h
index 60e2f93..51b34a4 100644
--- a/include/asm-mips/pgtable-bits.h
+++ b/include/asm-mips/pgtable-bits.h
@@ -134,6 +134,4 @@
 
 #define _PAGE_CHG_MASK  (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _CACHE_MASK)
 
-#define CONF_CM_DEFAULT		(PAGE_CACHABLE_DEFAULT>>_CACHE_SHIFT)
-
 #endif /* _ASM_PGTABLE_BITS_H */
diff --git a/include/asm-powerpc/mediabay.h b/include/asm-powerpc/mediabay.h
index df111c3..b2efb33 100644
--- a/include/asm-powerpc/mediabay.h
+++ b/include/asm-powerpc/mediabay.h
@@ -17,8 +17,6 @@
 #define MB_POWER	6	/* media bay contains a Power device (???) */
 #define MB_NO		7	/* media bay contains nothing */
 
-int check_media_bay(struct device_node *which_bay, int what);
-
 /* Number of bays in the machine or 0 */
 extern int media_bay_count;
 
@@ -29,6 +27,16 @@ int check_media_bay_by_base(unsigned long base, int what);
 /* called by IDE PMAC host driver to register IDE controller for media bay */
 int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base,
 			    int irq, ide_hwif_t *hwif);
+
+int check_media_bay(struct device_node *which_bay, int what);
+
+#else
+
+static inline int check_media_bay(struct device_node *which_bay, int what)
+{
+	return -ENODEV;
+}
+
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 6abead6..99348c1 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -131,7 +131,6 @@ struct spu {
 	u64 flags;
 	u64 class_0_pending;
 	u64 class_0_dar;
-	u64 class_0_dsisr;
 	u64 class_1_dar;
 	u64 class_1_dsisr;
 	size_t ls_size;
diff --git a/include/asm-powerpc/spu_csa.h b/include/asm-powerpc/spu_csa.h
index 129ec14..a40fd49 100644
--- a/include/asm-powerpc/spu_csa.h
+++ b/include/asm-powerpc/spu_csa.h
@@ -254,7 +254,7 @@ struct spu_state {
 	u64 spu_chnldata_RW[32];
 	u32 spu_mailbox_data[4];
 	u32 pu_mailbox_data[1];
-	u64 class_0_dar, class_0_dsisr, class_0_pending;
+	u64 class_0_dar, class_0_pending;
 	u64 class_1_dar, class_1_dsisr;
 	unsigned long suspend_time;
 	spinlock_t register_lock;
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 2b6559a..5235f87 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -34,7 +34,7 @@
  * SMP since it is only used to order updates to system memory.
  */
 #define mb()   __asm__ __volatile__ ("sync" : : : "memory")
-#define rmb()  __asm__ __volatile__ (__stringify(LWSYNC) : : : "memory")
+#define rmb()  __asm__ __volatile__ ("sync" : : : "memory")
 #define wmb()  __asm__ __volatile__ ("sync" : : : "memory")
 #define read_barrier_depends()  do { } while(0)
 
diff --git a/include/asm-x86/geode.h b/include/asm-x86/geode.h
index 6e64588..bb06027 100644
--- a/include/asm-x86/geode.h
+++ b/include/asm-x86/geode.h
@@ -112,8 +112,8 @@ extern int geode_get_dev_base(unsigned int dev);
 #define VSA_VR_UNLOCK		0xFC53	/* unlock virtual register */
 #define VSA_VR_SIGNATURE	0x0003
 #define VSA_VR_MEM_SIZE		0x0200
-#define VSA_SIG			0x4132	/* signature is ascii 'VSA2' */
-
+#define AMD_VSA_SIG		0x4132	/* signature is ascii 'VSA2' */
+#define GSW_VSA_SIG		0x534d  /* General Software signature */
 /* GPIO */
 
 #define GPIO_OUTPUT_VAL		0x00
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 1d8cd01..844f2a8 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -18,6 +18,7 @@
 #include <linux/kvm_para.h>
 #include <linux/kvm_types.h>
 
+#include <asm/pvclock-abi.h>
 #include <asm/desc.h>
 
 #define KVM_MAX_VCPUS 16
@@ -282,7 +283,8 @@ struct kvm_vcpu_arch {
 	struct x86_emulate_ctxt emulate_ctxt;
 
 	gpa_t time;
-	struct kvm_vcpu_time_info hv_clock;
+	struct pvclock_vcpu_time_info hv_clock;
+	unsigned int hv_clock_tsc_khz;
 	unsigned int time_offset;
 	struct page *time_page;
 };
diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h
index 5098459..bfd9900 100644
--- a/include/asm-x86/kvm_para.h
+++ b/include/asm-x86/kvm_para.h
@@ -48,24 +48,6 @@ struct kvm_mmu_op_release_pt {
 #ifdef __KERNEL__
 #include <asm/processor.h>
 
-/* xen binary-compatible interface. See xen headers for details */
-struct kvm_vcpu_time_info {
-	uint32_t version;
-	uint32_t pad0;
-	uint64_t tsc_timestamp;
-	uint64_t system_time;
-	uint32_t tsc_to_system_mul;
-	int8_t   tsc_shift;
-	int8_t	 pad[3];
-} __attribute__((__packed__)); /* 32 bytes */
-
-struct kvm_wall_clock {
-	uint32_t wc_version;
-	uint32_t wc_sec;
-	uint32_t wc_nsec;
-} __attribute__((__packed__));
-
-
 extern void kvmclock_init(void);
 
 
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index 424e82f..ccf0ba3 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -14,7 +14,8 @@
 #define __PAGE_OFFSET		_AC(CONFIG_PAGE_OFFSET, UL)
 
 #ifdef CONFIG_X86_PAE
-#define __PHYSICAL_MASK_SHIFT	36
+/* 44=32+12, the limit we can fit into an unsigned long pfn */
+#define __PHYSICAL_MASK_SHIFT	44
 #define __VIRTUAL_MASK_SHIFT	32
 #define PAGETABLE_LEVELS	3
 
diff --git a/include/asm-x86/pvclock-abi.h b/include/asm-x86/pvclock-abi.h
new file mode 100644
index 0000000..6857f84
--- /dev/null
+++ b/include/asm-x86/pvclock-abi.h
@@ -0,0 +1,42 @@
+#ifndef _ASM_X86_PVCLOCK_ABI_H_
+#define _ASM_X86_PVCLOCK_ABI_H_
+#ifndef __ASSEMBLY__
+
+/*
+ * These structs MUST NOT be changed.
+ * They are the ABI between hypervisor and guest OS.
+ * Both Xen and KVM are using this.
+ *
+ * pvclock_vcpu_time_info holds the system time and the tsc timestamp
+ * of the last update. So the guest can use the tsc delta to get a
+ * more precise system time.  There is one per virtual cpu.
+ *
+ * pvclock_wall_clock references the point in time when the system
+ * time was zero (usually boot time), thus the guest calculates the
+ * current wall clock by adding the system time.
+ *
+ * Protocol for the "version" fields is: hypervisor raises it (making
+ * it uneven) before it starts updating the fields and raises it again
+ * (making it even) when it is done.  Thus the guest can make sure the
+ * time values it got are consistent by checking the version before
+ * and after reading them.
+ */
+
+struct pvclock_vcpu_time_info {
+	u32   version;
+	u32   pad0;
+	u64   tsc_timestamp;
+	u64   system_time;
+	u32   tsc_to_system_mul;
+	s8    tsc_shift;
+	u8    pad[3];
+} __attribute__((__packed__)); /* 32 bytes */
+
+struct pvclock_wall_clock {
+	u32   version;
+	u32   sec;
+	u32   nsec;
+} __attribute__((__packed__));
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_X86_PVCLOCK_ABI_H_ */
diff --git a/include/asm-x86/pvclock.h b/include/asm-x86/pvclock.h
new file mode 100644
index 0000000..85b1bba
--- /dev/null
+++ b/include/asm-x86/pvclock.h
@@ -0,0 +1,13 @@
+#ifndef _ASM_X86_PVCLOCK_H_
+#define _ASM_X86_PVCLOCK_H_
+
+#include <linux/clocksource.h>
+#include <asm/pvclock-abi.h>
+
+/* some helper functions for xen and kvm pv clock sources */
+cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src);
+void pvclock_read_wallclock(struct pvclock_wall_clock *wall,
+			    struct pvclock_vcpu_time_info *vcpu,
+			    struct timespec *ts);
+
+#endif /* _ASM_X86_PVCLOCK_H_ */
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 93b9885..b6fbb25 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -166,6 +166,9 @@ unifdef-y += acct.h
 unifdef-y += adb.h
 unifdef-y += adfs_fs.h
 unifdef-y += agpgart.h
+ifeq ($(wildcard include/asm-$(SRCARCH)/a.out.h),include/asm-$(SRCARCH)/a.out.h)
+unifdef-y += a.out.h
+endif
 unifdef-y += apm_bios.h
 unifdef-y += atalk.h
 unifdef-y += atmdev.h
diff --git a/include/linux/a.out.h b/include/linux/a.out.h
index 208f4e8..e86dfca 100644
--- a/include/linux/a.out.h
+++ b/include/linux/a.out.h
@@ -1,8 +1,6 @@
 #ifndef __A_OUT_GNU_H__
 #define __A_OUT_GNU_H__
 
-#ifdef CONFIG_ARCH_SUPPORTS_AOUT
-
 #define __GNU_EXEC_MACROS__
 
 #ifndef __STRUCT_EXEC_OVERRIDE__
@@ -277,10 +275,4 @@ struct relocation_info
 #endif /* no N_RELOCATION_INFO_DECLARED.  */
 
 #endif /*__ASSEMBLY__ */
-#else /* CONFIG_ARCH_SUPPORTS_AOUT */
-#ifndef __ASSEMBLY__
-struct exec {
-};
-#endif
-#endif /* CONFIG_ARCH_SUPPORTS_AOUT */
 #endif /* __A_OUT_GNU_H__ */
diff --git a/include/linux/agp_backend.h b/include/linux/agp_backend.h
index 661d90d..972b12b 100644
--- a/include/linux/agp_backend.h
+++ b/include/linux/agp_backend.h
@@ -30,14 +30,6 @@
 #ifndef _AGP_BACKEND_H
 #define _AGP_BACKEND_H 1
 
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-#ifndef FALSE
-#define FALSE 0
-#endif
-
 enum chipset_type {
 	NOT_SUPPORTED,
 	SUPPORTED,
@@ -57,7 +49,7 @@ struct agp_kern_info {
 	size_t aper_size;
 	int max_memory;		/* In pages */
 	int current_memory;
-	int cant_use_aperture;
+	bool cant_use_aperture;
 	unsigned long page_mask;
 	struct vm_operations_struct *vm_ops;
 };
@@ -83,9 +75,9 @@ struct agp_memory {
 	off_t pg_start;
 	u32 type;
 	u32 physical;
-	u8 is_bound;
-	u8 is_flushed;
-        u8 vmalloc_flag;
+	bool is_bound;
+	bool is_flushed;
+        bool vmalloc_flag;
 };
 
 #define AGP_NORMAL_MEMORY 0
diff --git a/include/linux/agpgart.h b/include/linux/agpgart.h
index 62aef58..c8fdb6e 100644
--- a/include/linux/agpgart.h
+++ b/include/linux/agpgart.h
@@ -206,8 +206,8 @@ struct agp_front_data {
 	struct agp_controller *current_controller;
 	struct agp_controller *controllers;
 	struct agp_file_private *file_priv_list;
-	u8 used_by_controller;
-	u8 backend_acquired;
+	bool used_by_controller;
+	bool backend_acquired;
 };
 
 #endif				/* __KERNEL__ */
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 6a5dbdc..686895b 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -94,7 +94,7 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat,
 				       unsigned long freepfn,
 				       unsigned long startpfn,
 				       unsigned long endpfn);
-extern void reserve_bootmem_node(pg_data_t *pgdat,
+extern int reserve_bootmem_node(pg_data_t *pgdat,
 				 unsigned long physaddr,
 				 unsigned long size,
 				 int flags);
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index f1fbe9c..d4efe40 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -41,7 +41,7 @@ struct ip_tunnel_prl {
 	__u16			__reserved;
 	__u32			datalen;
 	__u32			__reserved2;
-	void __user		*data;
+	/* data follows */
 };
 
 /* PRL flags */
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 092b1b2..de9d1df 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -33,6 +33,7 @@
 #define KVM_REQ_REPORT_TPR_ACCESS  2
 #define KVM_REQ_MMU_RELOAD         3
 #define KVM_REQ_TRIPLE_FAULT       4
+#define KVM_REQ_PENDING_TIMER      5
 
 struct kvm_vcpu;
 extern struct kmem_cache *kvm_vcpu_cache;
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 59f1c0b..d2a0035 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -27,8 +27,7 @@
  * 	This routine is called by the kernel to write a series of
  * 	characters to the tty device.  The characters may come from
  * 	user space or kernel space.  This routine will return the
- *	number of characters actually accepted for writing.  This
- *	routine is mandatory.
+ *	number of characters actually accepted for writing.
  *
  *	Optional: Required for writable devices.
  *
@@ -134,7 +133,7 @@
  * 	This routine notifies the tty driver that it should hangup the
  * 	tty device.
  *
- *	Required:
+ *	Optional:
  *
  * void (*break_ctl)(struct tty_stuct *tty, int state);
  *
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index e0a612b..f422f72 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -367,6 +367,12 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
 		 a->s6_addr32[2] | a->s6_addr32[3] ) == 0); 
 }
 
+static inline int ipv6_addr_loopback(const struct in6_addr *a)
+{
+	return ((a->s6_addr32[0] | a->s6_addr32[1] |
+		 a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0);
+}
+
 static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
 {
 	return ((a->s6_addr32[0] | a->s6_addr32[1] |
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index aa540e6..d9dd0f70 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -95,6 +95,11 @@ extern struct list_head net_namespace_list;
 #ifdef CONFIG_NET_NS
 extern void __put_net(struct net *net);
 
+static inline int net_alive(struct net *net)
+{
+	return net && atomic_read(&net->count);
+}
+
 static inline struct net *get_net(struct net *net)
 {
 	atomic_inc(&net->count);
@@ -125,6 +130,12 @@ int net_eq(const struct net *net1, const struct net *net2)
 	return net1 == net2;
 }
 #else
+
+static inline int net_alive(struct net *net)
+{
+	return 1;
+}
+
 static inline struct net *get_net(struct net *net)
 {
 	return net;
diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h
index f736e84..f80c0ed 100644
--- a/include/net/netfilter/nf_conntrack_extend.h
+++ b/include/net/netfilter/nf_conntrack_extend.h
@@ -15,6 +15,7 @@ enum nf_ct_ext_id
 
 /* Extensions: optional stuff which isn't permanently in struct. */
 struct nf_ct_ext {
+	struct rcu_head rcu;
 	u8 offset[NF_CT_EXT_NUM];
 	u8 len;
 	char data[0];
diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index 9b018da..819a033 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -10,6 +10,7 @@
 #define __XEN_PUBLIC_XEN_H__
 
 #include <asm/xen/interface.h>
+#include <asm/pvclock-abi.h>
 
 /*
  * XEN "SYSTEM CALLS" (a.k.a. HYPERCALLS).
@@ -336,7 +337,7 @@ struct vcpu_info {
 	uint8_t evtchn_upcall_mask;
 	unsigned long evtchn_pending_sel;
 	struct arch_vcpu_info arch;
-	struct vcpu_time_info time;
+	struct pvclock_vcpu_time_info time;
 }; /* 64 bytes (x86) */
 
 /*
@@ -384,9 +385,7 @@ struct shared_info {
 	 * Wallclock time: updated only by control software. Guests should base
 	 * their gettimeofday() syscall on this wallclock-base value.
 	 */
-	uint32_t wc_version;      /* Version counter: see vcpu_time_info_t. */
-	uint32_t wc_sec;          /* Secs  00:00:00 UTC, Jan 1, 1970.  */
-	uint32_t wc_nsec;         /* Nsecs 00:00:00 UTC, Jan 1, 1970.  */
+	struct pvclock_wall_clock wc;
 
 	struct arch_shared_info arch;