Merge ../linus

Conflicts:

	drivers/cpufreq/cpufreq.c

39 files changed, 367 insertions, 293 deletions

diff --git a/include/asm-x86_64/Kbuild b/include/asm-x86_64/Kbuild
index 1ee9b07f3fe..ebd7117782a 100644
--- a/include/asm-x86_64/Kbuild
+++ b/include/asm-x86_64/Kbuild
@@ -6,13 +6,11 @@ ALTARCHDEF := defined __i386__
 
 header-y += boot.h
 header-y += bootsetup.h
-header-y += cpufeature.h
 header-y += debugreg.h
 header-y += ldt.h
 header-y += msr.h
 header-y += prctl.h
 header-y += ptrace-abi.h
-header-y += setup.h
 header-y += sigcontext32.h
 header-y += ucontext.h
 header-y += vsyscall32.h
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h
index ed59aa4c6ff..9d1916e59c0 100644
--- a/include/asm-x86_64/acpi.h
+++ b/include/asm-x86_64/acpi.h
@@ -163,6 +163,7 @@ extern u8 x86_acpiid_to_apicid[];
 #define ARCH_HAS_POWER_INIT 1
 
 extern int acpi_skip_timer_override;
+extern int acpi_use_timer_override;
 
 #endif /*__KERNEL__*/
 
diff --git a/include/asm-x86_64/alternative.h b/include/asm-x86_64/alternative.h
index a584826cc57..a6657b4f3e0 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 <linux/stddef.h>
 #include <asm/cpufeature.h>
 
 struct alt_instr {
@@ -133,4 +134,15 @@ static inline void alternatives_smp_switch(int smp) {}
 #define LOCK_PREFIX ""
 #endif
 
+struct paravirt_patch;
+#ifdef CONFIG_PARAVIRT
+void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end);
+#else
+static inline void
+apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end)
+{}
+#define __start_parainstructions NULL
+#define __stop_parainstructions NULL
+#endif
+
 #endif /* _X86_64_ALTERNATIVE_H */
diff --git a/include/asm-x86_64/atomic.h b/include/asm-x86_64/atomic.h
index 007e88d6d43..706ca4b6000 100644
--- a/include/asm-x86_64/atomic.h
+++ b/include/asm-x86_64/atomic.h
@@ -21,7 +21,7 @@
  * on us. We need to use _exactly_ the address the user gave us,
  * not some alias that contains the same information.
  */
-typedef struct { volatile int counter; } atomic_t;
+typedef struct { int counter; } atomic_t;
 
 #define ATOMIC_INIT(i)	{ (i) }
 
@@ -189,9 +189,9 @@ static __inline__ int atomic_add_return(int i, atomic_t *v)
 {
 	int __i = i;
 	__asm__ __volatile__(
-		LOCK_PREFIX "xaddl %0, %1;"
-		:"=r"(i)
-		:"m"(v->counter), "0"(i));
+		LOCK_PREFIX "xaddl %0, %1"
+		:"+r" (i), "+m" (v->counter)
+		: : "memory");
 	return i + __i;
 }
 
diff --git a/include/asm-x86_64/bug.h b/include/asm-x86_64/bug.h
index 80ac1fe966a..68260641491 100644
--- a/include/asm-x86_64/bug.h
+++ b/include/asm-x86_64/bug.h
@@ -1,30 +1,30 @@
 #ifndef __ASM_X8664_BUG_H
 #define __ASM_X8664_BUG_H 1
 
-#include <linux/stringify.h>
-
-/*
- * Tell the user there is some problem.  The exception handler decodes 
- * this frame.
- */
-struct bug_frame {
-	unsigned char ud2[2];
-	unsigned char push;
-	signed int filename;
-	unsigned char ret;
-	unsigned short line;
-} __attribute__((packed));
-
 #ifdef CONFIG_BUG
 #define HAVE_ARCH_BUG
-/* We turn the bug frame into valid instructions to not confuse
-   the disassembler. Thanks to Jan Beulich & Suresh Siddha
-   for nice instruction selection.
-   The magic numbers generate mov $64bitimm,%eax ; ret $offset. */
-#define BUG() 								\
-	asm volatile(							\
-	"ud2 ; pushq $%c1 ; ret $%c0" :: 				\
-		     "i"(__LINE__), "i" (__FILE__))
+
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+#define BUG()								\
+	do {								\
+		asm volatile("1:\tud2\n"				\
+			     ".pushsection __bug_table,\"a\"\n"		\
+			     "2:\t.quad 1b, %c0\n"			\
+			     "\t.word %c1, 0\n"				\
+			     "\t.org 2b+%c2\n"				\
+			     ".popsection"				\
+			     : : "i" (__FILE__), "i" (__LINE__),	\
+			        "i" (sizeof(struct bug_entry)));	\
+		for(;;) ;						\
+	} while(0)
+#else
+#define BUG()								\
+	do {								\
+		asm volatile("ud2");					\
+		for(;;) ;						\
+	} while(0)
+#endif
+
 void out_of_line_bug(void);
 #else
 static inline void out_of_line_bug(void) { }
diff --git a/include/asm-x86_64/calgary.h b/include/asm-x86_64/calgary.h
index 6b93f5a3a5c..7ee90064571 100644
--- a/include/asm-x86_64/calgary.h
+++ b/include/asm-x86_64/calgary.h
@@ -51,6 +51,8 @@ struct iommu_table {
 #define TCE_TABLE_SIZE_4M		6
 #define TCE_TABLE_SIZE_8M		7
 
+extern int use_calgary;
+
 #ifdef CONFIG_CALGARY_IOMMU
 extern int calgary_iommu_init(void);
 extern void detect_calgary(void);
diff --git a/include/asm-x86_64/checksum.h b/include/asm-x86_64/checksum.h
index 989469e8e0b..419fe88a034 100644
--- a/include/asm-x86_64/checksum.h
+++ b/include/asm-x86_64/checksum.h
@@ -19,15 +19,16 @@
  * the last step before putting a checksum into a packet.
  * Make sure not to mix with 64bit checksums.
  */
-static inline unsigned int csum_fold(unsigned int sum)
+static inline __sum16 csum_fold(__wsum sum)
 {
 	__asm__(
 		"  addl %1,%0\n"
 		"  adcl $0xffff,%0"
 		: "=r" (sum)
-		: "r" (sum << 16), "0" (sum & 0xffff0000)
+		: "r" ((__force u32)sum << 16),
+		  "0" ((__force u32)sum & 0xffff0000)
 	);
-	return (~sum) >> 16;
+	return (__force __sum16)(~(__force u32)sum >> 16);
 }
 
 /*
@@ -43,7 +44,7 @@ static inline unsigned int csum_fold(unsigned int sum)
  * iph: ipv4 header
  * ihl: length of header / 4
  */ 
-static inline unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) 
+static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
 {
 	unsigned int sum;
 
@@ -70,7 +71,7 @@ static inline unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
 	: "=r" (sum), "=r" (iph), "=r" (ihl)
 	: "1" (iph), "2" (ihl)
 	: "memory");
-	return(sum);
+	return (__force __sum16)sum;
 }
 
 /** 
@@ -84,16 +85,17 @@ static inline unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
  * Returns the pseudo header checksum the input data. Result is 
  * 32bit unfolded.
  */
-static inline unsigned long 
-csum_tcpudp_nofold(unsigned saddr, unsigned daddr, unsigned short len,
-		   unsigned short proto, unsigned int sum) 
+static inline __wsum
+csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+		   unsigned short proto, __wsum sum)
 {
 	asm("  addl %1, %0\n"
 	    "  adcl %2, %0\n"
 	    "  adcl %3, %0\n"
 	    "  adcl $0, %0\n"
 		: "=r" (sum)
-	    : "g" (daddr), "g" (saddr), "g" ((ntohs(len)<<16)+proto*256), "0" (sum));
+	    : "g" (daddr), "g" (saddr),
+	      "g" ((len + proto)<<8), "0" (sum));
     return sum;
 }
 
@@ -109,9 +111,9 @@ csum_tcpudp_nofold(unsigned saddr, unsigned daddr, unsigned short len,
  * Returns the 16bit pseudo header checksum the input data already
  * complemented and ready to be filled in.
  */
-static inline unsigned short int 
-csum_tcpudp_magic(unsigned long saddr, unsigned long daddr,
-		  unsigned short len, unsigned short proto, unsigned int sum) 
+static inline __sum16
+csum_tcpudp_magic(__be32 saddr, __be32 daddr,
+		  unsigned short len, unsigned short proto, __wsum sum)
 {
 	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
 }
@@ -126,25 +128,25 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr,
  * Before filling it in it needs to be csum_fold()'ed.
  * buff should be aligned to a 64bit boundary if possible.
  */ 
-extern unsigned int csum_partial(const unsigned char *buff, unsigned len, unsigned int sum);
+extern __wsum csum_partial(const void *buff, int len, __wsum sum);
 
 #define  _HAVE_ARCH_COPY_AND_CSUM_FROM_USER 1
 #define HAVE_CSUM_COPY_USER 1
 
 
 /* Do not call this directly. Use the wrappers below */
-extern unsigned long csum_partial_copy_generic(const unsigned char *src, const unsigned char *dst,
-					       unsigned len,
-					       unsigned sum, 
+extern __wsum csum_partial_copy_generic(const void *src, const void *dst,
+					       int len,
+					       __wsum sum,
 					       int *src_err_ptr, int *dst_err_ptr);
 
 
-extern unsigned int csum_partial_copy_from_user(const unsigned char __user *src, unsigned char *dst,
-				       int len, unsigned int isum, int *errp);
-extern unsigned int csum_partial_copy_to_user(const unsigned char *src, unsigned char __user *dst,
-				      int len, unsigned int isum, int *errp);
-extern unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char *dst, int len,
-					      unsigned int sum);
+extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+				       int len, __wsum isum, int *errp);
+extern __wsum csum_partial_copy_to_user(const void *src, void __user *dst,
+				      int len, __wsum isum, int *errp);
+extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len,
+					      __wsum sum);
 
 /* Old names. To be removed. */
 #define csum_and_copy_to_user csum_partial_copy_to_user
@@ -158,7 +160,7 @@ extern unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned
  * Returns the 16bit folded/inverted checksum of the passed buffer.
  * Ready to fill in.
  */
-extern unsigned short ip_compute_csum(unsigned char * buff, int len);
+extern __sum16 ip_compute_csum(const void *buff, int len);
 
 /**
  * csum_ipv6_magic - Compute checksum of an IPv6 pseudo header.
@@ -176,9 +178,9 @@ extern unsigned short ip_compute_csum(unsigned char * buff, int len);
 struct in6_addr;
 
 #define _HAVE_ARCH_IPV6_CSUM 1
-extern unsigned short 
-csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr,
-		__u32 len, unsigned short proto, unsigned int sum);
+extern __sum16
+csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr,
+		__u32 len, unsigned short proto, __wsum sum);
 
 static inline unsigned add32_with_carry(unsigned a, unsigned b)
 {
diff --git a/include/asm-x86_64/cpufeature.h b/include/asm-x86_64/cpufeature.h
index ee792faaca0..0b3c686139f 100644
--- a/include/asm-x86_64/cpufeature.h
+++ b/include/asm-x86_64/cpufeature.h
@@ -29,7 +29,7 @@
 #define X86_FEATURE_PSE36	(0*32+17) /* 36-bit PSEs */
 #define X86_FEATURE_PN		(0*32+18) /* Processor serial number */
 #define X86_FEATURE_CLFLSH	(0*32+19) /* Supports the CLFLUSH instruction */
-#define X86_FEATURE_DTES	(0*32+21) /* Debug Trace Store */
+#define X86_FEATURE_DS		(0*32+21) /* Debug Store */
 #define X86_FEATURE_ACPI	(0*32+22) /* ACPI via MSR */
 #define X86_FEATURE_MMX		(0*32+23) /* Multimedia Extensions */
 #define X86_FEATURE_FXSR	(0*32+24) /* FXSAVE and FXRSTOR instructions (fast save and restore */
@@ -68,6 +68,8 @@
 #define X86_FEATURE_FXSAVE_LEAK (3*32+7)  /* FIP/FOP/FDP leaks through FXSAVE */
 #define X86_FEATURE_UP		(3*32+8) /* SMP kernel running on UP */
 #define X86_FEATURE_ARCH_PERFMON (3*32+9) /* Intel Architectural PerfMon */
+#define X86_FEATURE_PEBS	(3*32+10) /* Precise-Event Based Sampling */
+#define X86_FEATURE_BTS		(3*32+11) /* Branch Trace Store */
 
 /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
 #define X86_FEATURE_XMM3	(4*32+ 0) /* Streaming SIMD Extensions-3 */
@@ -112,5 +114,8 @@
 #define cpu_has_cyrix_arr      0
 #define cpu_has_centaur_mcr    0
 #define cpu_has_clflush	       boot_cpu_has(X86_FEATURE_CLFLSH)
+#define cpu_has_ds 	       boot_cpu_has(X86_FEATURE_DS)
+#define cpu_has_pebs 	       boot_cpu_has(X86_FEATURE_PEBS)
+#define cpu_has_bts 	       boot_cpu_has(X86_FEATURE_BTS)
 
 #endif /* __ASM_X8664_CPUFEATURE_H */
diff --git a/include/asm-x86_64/delay.h b/include/asm-x86_64/delay.h
index 65f64acc531..c2669f1f552 100644
--- a/include/asm-x86_64/delay.h
+++ b/include/asm-x86_64/delay.h
@@ -7,18 +7,21 @@
  * Delay routines calling functions in arch/x86_64/lib/delay.c
  */
  
+/* Undefined functions to get compile-time errors */
 extern void __bad_udelay(void);
 extern void __bad_ndelay(void);
 
 extern void __udelay(unsigned long usecs);
-extern void __ndelay(unsigned long usecs);
+extern void __ndelay(unsigned long nsecs);
 extern void __const_udelay(unsigned long usecs);
 extern void __delay(unsigned long loops);
 
+/* 0x10c7 is 2**32 / 1000000 (rounded up) */
 #define udelay(n) (__builtin_constant_p(n) ? \
-	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
+	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
 	__udelay(n))
 
+/* 0x5 is 2**32 / 1000000000 (rounded up) */
 #define ndelay(n) (__builtin_constant_p(n) ? \
        ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
        __ndelay(n))
diff --git a/include/asm-x86_64/desc.h b/include/asm-x86_64/desc.h
index eb7723a4679..913d6ac0003 100644
--- a/include/asm-x86_64/desc.h
+++ b/include/asm-x86_64/desc.h
@@ -9,64 +9,13 @@
 
 #include <linux/string.h>
 #include <linux/smp.h>
+#include <asm/desc_defs.h>
 
 #include <asm/segment.h>
 #include <asm/mmu.h>
 
-// 8 byte segment descriptor
-struct desc_struct { 
-	u16 limit0;
-	u16 base0;
-	unsigned base1 : 8, type : 4, s : 1, dpl : 2, p : 1;
-	unsigned limit : 4, avl : 1, l : 1, d : 1, g : 1, base2 : 8;
-} __attribute__((packed)); 
-
-struct n_desc_struct { 
-	unsigned int a,b;
-}; 	
-
 extern struct desc_struct cpu_gdt_table[GDT_ENTRIES];
 
-enum { 
-	GATE_INTERRUPT = 0xE, 
-	GATE_TRAP = 0xF, 	
-	GATE_CALL = 0xC,
-}; 	
-
-// 16byte gate
-struct gate_struct {          
-	u16 offset_low;
-	u16 segment; 
-	unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1;
-	u16 offset_middle;
-	u32 offset_high;
-	u32 zero1; 
-} __attribute__((packed));
-
-#define PTR_LOW(x) ((unsigned long)(x) & 0xFFFF) 
-#define PTR_MIDDLE(x) (((unsigned long)(x) >> 16) & 0xFFFF)
-#define PTR_HIGH(x) ((unsigned long)(x) >> 32)
-
-enum { 
-	DESC_TSS = 0x9,
-	DESC_LDT = 0x2,
-}; 
-
-// LDT or TSS descriptor in the GDT. 16 bytes.
-struct ldttss_desc { 
-	u16 limit0;
-	u16 base0;
-	unsigned base1 : 8, type : 5, dpl : 2, p : 1;
-	unsigned limit1 : 4, zero0 : 3, g : 1, base2 : 8;
-	u32 base3;
-	u32 zero1; 
-} __attribute__((packed)); 
-
-struct desc_ptr {
-	unsigned short size;
-	unsigned long address;
-} __attribute__((packed)) ;
-
 #define load_TR_desc() asm volatile("ltr %w0"::"r" (GDT_ENTRY_TSS*8))
 #define load_LDT_desc() asm volatile("lldt %w0"::"r" (GDT_ENTRY_LDT*8))
 #define clear_LDT()  asm volatile("lldt %w0"::"r" (0))
diff --git a/include/asm-x86_64/desc_defs.h b/include/asm-x86_64/desc_defs.h
new file mode 100644
index 00000000000..08900407009
--- /dev/null
+++ b/include/asm-x86_64/desc_defs.h
@@ -0,0 +1,69 @@
+/* Written 2000 by Andi Kleen */
+#ifndef __ARCH_DESC_DEFS_H
+#define __ARCH_DESC_DEFS_H
+
+/*
+ * Segment descriptor structure definitions, usable from both x86_64 and i386
+ * archs.
+ */
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+// 8 byte segment descriptor
+struct desc_struct {
+	u16 limit0;
+	u16 base0;
+	unsigned base1 : 8, type : 4, s : 1, dpl : 2, p : 1;
+	unsigned limit : 4, avl : 1, l : 1, d : 1, g : 1, base2 : 8;
+} __attribute__((packed));
+
+struct n_desc_struct {
+	unsigned int a,b;
+};
+
+enum {
+	GATE_INTERRUPT = 0xE,
+	GATE_TRAP = 0xF,
+	GATE_CALL = 0xC,
+};
+
+// 16byte gate
+struct gate_struct {
+	u16 offset_low;
+	u16 segment;
+	unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1;
+	u16 offset_middle;
+	u32 offset_high;
+	u32 zero1;
+} __attribute__((packed));
+
+#define PTR_LOW(x) ((unsigned long)(x) & 0xFFFF)
+#define PTR_MIDDLE(x) (((unsigned long)(x) >> 16) & 0xFFFF)
+#define PTR_HIGH(x) ((unsigned long)(x) >> 32)
+
+enum {
+	DESC_TSS = 0x9,
+	DESC_LDT = 0x2,
+};
+
+// LDT or TSS descriptor in the GDT. 16 bytes.
+struct ldttss_desc {
+	u16 limit0;
+	u16 base0;
+	unsigned base1 : 8, type : 5, dpl : 2, p : 1;
+	unsigned limit1 : 4, zero0 : 3, g : 1, base2 : 8;
+	u32 base3;
+	u32 zero1;
+} __attribute__((packed));
+
+struct desc_ptr {
+	unsigned short size;
+	unsigned long address;
+} __attribute__((packed)) ;
+
+
+#endif /* !__ASSEMBLY__ */
+
+#endif
diff --git a/include/asm-x86_64/device.h b/include/asm-x86_64/device.h
new file mode 100644
index 00000000000..3afa03f33a3
--- /dev/null
+++ b/include/asm-x86_64/device.h
@@ -0,0 +1,15 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#ifndef _ASM_X86_64_DEVICE_H
+#define _ASM_X86_64_DEVICE_H
+
+struct dev_archdata {
+#ifdef CONFIG_ACPI
+	void	*acpi_handle;
+#endif
+};
+
+#endif /* _ASM_X86_64_DEVICE_H */
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index 10174b110a5..be9ec689072 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -180,12 +180,13 @@ static inline int dma_get_cache_alignment(void)
 	return boot_cpu_data.x86_clflush_size;
 }
 
-#define dma_is_consistent(h) 1
+#define dma_is_consistent(d, h) 1
 
 extern int dma_set_mask(struct device *dev, u64 mask);
 
 static inline void
-dma_cache_sync(void *vaddr, size_t size, enum dma_data_direction dir)
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+	enum dma_data_direction dir)
 {
 	flush_write_buffers();
 }
diff --git a/include/asm-x86_64/elf.h b/include/asm-x86_64/elf.h
index a406fcb1e92..6d24ea7c4d9 100644
--- a/include/asm-x86_64/elf.h
+++ b/include/asm-x86_64/elf.h
@@ -45,7 +45,6 @@ typedef struct user_i387_struct elf_fpregset_t;
 
 #ifdef __KERNEL__
 #include <asm/processor.h>
-#include <asm/compat.h>
 
 /*
  * This is used to ensure we don't load something for the wrong architecture.
diff --git a/include/asm-x86_64/futex.h b/include/asm-x86_64/futex.h
index 9804bf07b09..5cdfb08013c 100644
--- a/include/asm-x86_64/futex.h
+++ b/include/asm-x86_64/futex.h
@@ -55,7 +55,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
 		return -EFAULT;
 
-	inc_preempt_count();
+	pagefault_disable();
 
 	switch (op) {
 	case FUTEX_OP_SET:
@@ -78,7 +78,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 		ret = -ENOSYS;
 	}
 
-	dec_preempt_count();
+	pagefault_enable();
 
 	if (!ret) {
 		switch (cmp) {
diff --git a/include/asm-x86_64/genapic.h b/include/asm-x86_64/genapic.h
index a0e9a4b9348..b80f4bb5f27 100644
--- a/include/asm-x86_64/genapic.h
+++ b/include/asm-x86_64/genapic.h
@@ -30,6 +30,6 @@ struct genapic {
 };
 
 
-extern struct genapic *genapic;
+extern struct genapic *genapic, *genapic_force, apic_flat;
 
 #endif
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index 792dd52fcd7..179cce755aa 100644
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -76,6 +76,8 @@
 #ifndef __ASSEMBLY__
 typedef int vector_irq_t[NR_VECTORS];
 DECLARE_PER_CPU(vector_irq_t, vector_irq);
+extern void __setup_vector_irq(int cpu);
+extern spinlock_t vector_lock;
 
 /*
  * Various low-level irq details needed by irq.c, process.c,
diff --git a/include/asm-x86_64/io_apic.h b/include/asm-x86_64/io_apic.h
index 171ec2dc8c0..561ecbfd4cb 100644
--- a/include/asm-x86_64/io_apic.h
+++ b/include/asm-x86_64/io_apic.h
@@ -12,10 +12,6 @@
 
 #define APIC_MISMATCH_DEBUG
 
-#define IO_APIC_BASE(idx) \
-		((volatile int *)(__fix_to_virt(FIX_IO_APIC_BASE_0 + idx) \
-		+ (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK)))
-
 /*
  * The structure of the IO-APIC:
  */
@@ -119,36 +115,6 @@ extern struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
 /* non-0 if default (table-less) MP configuration */
 extern int mpc_default_type;
 
-static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
-{
-	*IO_APIC_BASE(apic) = reg;
-	return *(IO_APIC_BASE(apic)+4);
-}
-
-static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value)
-{
-	*IO_APIC_BASE(apic) = reg;
-	*(IO_APIC_BASE(apic)+4) = value;
-}
-
-/*
- * Re-write a value: to be used for read-modify-write
- * cycles where the read already set up the index register.
- */
-static inline void io_apic_modify(unsigned int apic, unsigned int value)
-{
-	*(IO_APIC_BASE(apic)+4) = value;
-}
-
-/*
- * Synchronize the IO-APIC and the CPU by doing
- * a dummy read from the IO-APIC
- */
-static inline void io_apic_sync(unsigned int apic)
-{
-	(void) *(IO_APIC_BASE(apic)+4);
-}
-
 /* 1 if "noapic" boot option passed */
 extern int skip_ioapic_setup;
 
diff --git a/include/asm-x86_64/ioctls.h b/include/asm-x86_64/ioctls.h
index 62caf8b6e4e..3fc0b15a0d7 100644
--- a/include/asm-x86_64/ioctls.h
+++ b/include/asm-x86_64/ioctls.h
@@ -46,6 +46,10 @@
 #define TIOCSBRK	0x5427  /* BSD compatibility */
 #define TIOCCBRK	0x5428  /* BSD compatibility */
 #define TIOCGSID	0x5429  /* Return the session ID of FD */
+#define TCGETS2		_IOR('T',0x2A, struct termios2)
+#define TCSETS2		_IOW('T',0x2B, struct termios2)
+#define TCSETSW2	_IOW('T',0x2C, struct termios2)
+#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 */
 
diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h
index 207fed998a0..3227bc93d69 100644
--- a/include/asm-x86_64/msr.h
+++ b/include/asm-x86_64/msr.h
@@ -169,8 +169,8 @@ static inline unsigned int cpuid_edx(unsigned int op)
 #define MSR_LSTAR 0xc0000082 		/* long mode SYSCALL target */
 #define MSR_CSTAR 0xc0000083		/* compatibility mode SYSCALL target */
 #define MSR_SYSCALL_MASK 0xc0000084	/* EFLAGS mask for syscall */
-#define MSR_FS_BASE 0xc0000100		/* 64bit GS base */
-#define MSR_GS_BASE 0xc0000101		/* 64bit FS base */
+#define MSR_FS_BASE 0xc0000100		/* 64bit FS base */
+#define MSR_GS_BASE 0xc0000101		/* 64bit GS base */
 #define MSR_KERNEL_GS_BASE  0xc0000102	/* SwapGS GS shadow (or USER_GS from kernel) */ 
 /* EFER bits: */ 
 #define _EFER_SCE 0  /* SYSCALL/SYSRET */
@@ -211,6 +211,10 @@ static inline unsigned int cpuid_edx(unsigned int op)
 #define MSR_IA32_LASTINTFROMIP     0x1dd
 #define MSR_IA32_LASTINTTOIP       0x1de
 
+#define MSR_IA32_PEBS_ENABLE		0x3f1
+#define MSR_IA32_DS_AREA		0x600
+#define MSR_IA32_PERF_CAPABILITIES	0x345
+
 #define MSR_MTRRfix64K_00000	0x250
 #define MSR_MTRRfix16K_80000	0x258
 #define MSR_MTRRfix16K_A0000	0x259
@@ -411,4 +415,13 @@ static inline unsigned int cpuid_edx(unsigned int op)
 #define MSR_P4_U2L_ESCR0 		0x3b0
 #define MSR_P4_U2L_ESCR1 		0x3b1
 
+/* Intel Core-based CPU performance counters */
+#define MSR_CORE_PERF_FIXED_CTR0	0x309
+#define MSR_CORE_PERF_FIXED_CTR1	0x30a
+#define MSR_CORE_PERF_FIXED_CTR2	0x30b
+#define MSR_CORE_PERF_FIXED_CTR_CTRL	0x38d
+#define MSR_CORE_PERF_GLOBAL_STATUS	0x38e
+#define MSR_CORE_PERF_GLOBAL_CTRL	0x38f
+#define MSR_CORE_PERF_GLOBAL_OVF_CTRL	0x390
+
 #endif
diff --git a/include/asm-x86_64/nmi.h b/include/asm-x86_64/nmi.h
index f367d4014b4..72375e7d32a 100644
--- a/include/asm-x86_64/nmi.h
+++ b/include/asm-x86_64/nmi.h
@@ -77,4 +77,7 @@ extern int proc_nmi_enabled(struct ctl_table *, int , struct file *,
 
 extern int unknown_nmi_panic;
 
+void __trigger_all_cpu_backtrace(void);
+#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
+
 #endif /* ASM_NMI_H */
diff --git a/include/asm-x86_64/pci-direct.h b/include/asm-x86_64/pci-direct.h
index eba9cb471df..6823fa4f1af 100644
--- a/include/asm-x86_64/pci-direct.h
+++ b/include/asm-x86_64/pci-direct.h
@@ -10,6 +10,7 @@ extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 of