29 files changed, 159 insertions, 167 deletions
diff --git a/include/asm-x86_64/a.out.h b/include/asm-x86_64/a.out.h
index 5952914f4121..7255cde06538 100644
--- a/include/asm-x86_64/a.out.h
+++ b/include/asm-x86_64/a.out.h
@@ -21,7 +21,7 @@ struct exec
 #ifdef __KERNEL__
 #include <linux/thread_info.h>
-#define STACK_TOP (test_thread_flag(TIF_IA32) ? IA32_PAGE_OFFSET : TASK_SIZE)
+#define STACK_TOP TASK_SIZE
 #endif
 #endif /* __A_OUT_GNU_H__ */
diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index e4b1017b8b2b..16ec82e16b21 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -77,7 +77,7 @@ static inline void ack_APIC_irq(void)
 extern int get_maxlvt (void);
 extern void clear_local_APIC (void);
 extern void connect_bsp_APIC (void);
-extern void disconnect_bsp_APIC (void);
+extern void disconnect_bsp_APIC (int virt_wire_setup);
 extern void disable_local_APIC (void);
 extern int verify_local_APIC (void);
 extern void cache_APIC_registers (void);
diff --git a/include/asm-x86_64/apicdef.h b/include/asm-x86_64/apicdef.h
index bfebdb690654..9388062c4f6e 100644
--- a/include/asm-x86_64/apicdef.h
+++ b/include/asm-x86_64/apicdef.h
@@ -94,7 +94,7 @@
 #define                 SET_APIC_DELIVERY_MODE(x,y)     (((x)&~0x700)|((y)<<8))
 #define                         APIC_MODE_FIXED         0x0
 #define                         APIC_MODE_NMI           0x4
-#define                         APIC_MODE_EXINT         0x7
+#define                         APIC_MODE_EXTINT        0x7
 #define         APIC_LVT1       0x360
 #define         APIC_LVTERR     0x370
 #define         APIC_TMICT      0x380
diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index 5dd7727c756b..a31bb99be53f 100644
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -411,8 +411,6 @@ static __inline__ int ffs(int x)
 /* find last set bit */
 #define fls(x) generic_fls(x)
-#define ARCH_HAS_ATOMIC_UNSIGNED 1
 #endif /* __KERNEL__ */
 #endif /* _X86_64_BITOPS_H */
diff --git a/include/asm-x86_64/ia32.h b/include/asm-x86_64/ia32.h
index c0a7717923ed..6efa00fe4e7b 100644
--- a/include/asm-x86_64/ia32.h
+++ b/include/asm-x86_64/ia32.h
@@ -94,7 +94,7 @@ typedef struct compat_siginfo{
                /* POSIX.1b timers */
                struct {
-                        int _tid;               /* timer id */
+                        compat_timer_t _tid;    /* timer id */
                        int _overrun;           /* overrun count */
                        compat_sigval_t _sigval;        /* same as below */
                        int _sys_private;       /* not to be passed to user */
diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h
index 94202703fae2..37fc3f149a5a 100644
--- a/include/asm-x86_64/io.h
+++ b/include/asm-x86_64/io.h
@@ -124,12 +124,7 @@ extern inline void * phys_to_virt(unsigned long address)
 /*
 * Change "struct page" to physical address.
 */
-#ifdef CONFIG_DISCONTIGMEM
-#include <asm/mmzone.h>
 #define page_to_phys(page)    ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
-#else
-#define page_to_phys(page)      ((page - mem_map) << PAGE_SHIFT)
-#endif
 #include <asm-generic/iomap.h>
diff --git a/include/asm-x86_64/io_apic.h b/include/asm-x86_64/io_apic.h
index 32573749004c..a8babd2bbe84 100644
--- a/include/asm-x86_64/io_apic.h
+++ b/include/asm-x86_64/io_apic.h
@@ -217,4 +217,6 @@ extern int assign_irq_vector(int irq);
 void enable_NMI_through_LVT0 (void * dummy);
+extern spinlock_t i8259A_lock;
 #endif
diff --git a/include/asm-x86_64/irq.h b/include/asm-x86_64/irq.h
index 3af50b3c3b05..eb3b7aa9eb9f 100644
--- a/include/asm-x86_64/irq.h
+++ b/include/asm-x86_64/irq.h
@@ -52,4 +52,9 @@ struct irqaction;
 struct pt_regs;
 int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
+#ifdef CONFIG_HOTPLUG_CPU
+#include <linux/cpumask.h>
+extern void fixup_irqs(cpumask_t map);
+#endif
 #endif /* _ASM_IRQ_H */
diff --git a/include/asm-x86_64/kdebug.h b/include/asm-x86_64/kdebug.h
index 6277f75cbb4b..b90341994d80 100644
--- a/include/asm-x86_64/kdebug.h
+++ b/include/asm-x86_64/kdebug.h
@@ -14,7 +14,7 @@ struct die_args {
 }; 
 /* Note - you should never unregister because that can race with NMIs.
-   If you really want to do it first unregister - then synchronize_kernel - then free. 
+   If you really want to do it first unregister - then synchronize_sched - then free.
  */
 int register_die_notifier(struct notifier_block *nb);
 extern struct notifier_block *die_chain;
diff --git a/include/asm-x86_64/kexec.h b/include/asm-x86_64/kexec.h
new file mode 100644
index 000000000000..42d2ff15c592
--- /dev/null
+++ b/include/asm-x86_64/kexec.h
@@ -0,0 +1,33 @@
+#ifndef _X86_64_KEXEC_H
+#define _X86_64_KEXEC_H
+#include <asm/page.h>
+#include <asm/proto.h>
+/*
+ * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
+ * I.e. Maximum page that is mapped directly into kernel memory,
+ * and kmap is not required.
+ *
+ * So far x86_64 is limited to 40 physical address bits.
+ */
+/* Maximum physical address we can use pages from */
+#define KEXEC_SOURCE_MEMORY_LIMIT      (0xFFFFFFFFFFUL)
+/* Maximum address we can reach in physical address mode */
+#define KEXEC_DESTINATION_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+/* Maximum address we can use for the control pages */
+#define KEXEC_CONTROL_MEMORY_LIMIT     (0xFFFFFFFFFFUL)
+/* Allocate one page for the pdp and the second for the code */
+#define KEXEC_CONTROL_CODE_SIZE  (4096UL + 4096UL)
+/* The native architecture */
+#define KEXEC_ARCH KEXEC_ARCH_X86_64
+#define MAX_NOTE_BYTES 1024
+typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
+extern note_buf_t crash_notes[];
+#endif /* _X86_64_KEXEC_H */
diff --git a/include/asm-x86_64/kprobes.h b/include/asm-x86_64/kprobes.h
index bfea52d516f8..6d6d883fdf6d 100644
--- a/include/asm-x86_64/kprobes.h
+++ b/include/asm-x86_64/kprobes.h
@@ -38,6 +38,9 @@ typedef u8 kprobe_opcode_t;
        : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
 #define JPROBE_ENTRY(pentry)    (kprobe_opcode_t *)pentry
+#define ARCH_SUPPORTS_KRETPROBES
+void kretprobe_trampoline(void);
 /* Architecture specific copy of original instruction*/
 struct arch_specific_insn {
diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h
index d95b7c240831..768413751b34 100644
--- a/include/asm-x86_64/mmzone.h
+++ b/include/asm-x86_64/mmzone.h
@@ -6,7 +6,7 @@
 #include <linux/config.h>
-#ifdef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_NUMA
 #define VIRTUAL_BUG_ON(x) 
@@ -30,27 +30,23 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr)
        return nid; 
 } 
-#define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
-#define kvaddr_to_nid(kaddr)    phys_to_nid(__pa(kaddr))
 #define NODE_DATA(nid)          (node_data[nid])
-#define node_mem_map(nid)       (NODE_DATA(nid)->node_mem_map)
-#define node_mem_map(nid)       (NODE_DATA(nid)->node_mem_map)
 #define node_start_pfn(nid)     (NODE_DATA(nid)->node_start_pfn)
 #define node_end_pfn(nid)       (NODE_DATA(nid)->node_start_pfn + \
                                 NODE_DATA(nid)->node_spanned_pages)
-#define local_mapnr(kvaddr) \
+#ifdef CONFIG_DISCONTIGMEM
-        ( (__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr)) )
+#define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
+#define kvaddr_to_nid(kaddr)    phys_to_nid(__pa(kaddr))
 /* AK: this currently doesn't deal with invalid addresses. We'll see 
   if the 2.5 kernel doesn't pass them
   (2.4 used to). */
 #define pfn_to_page(pfn) ({ \
        int nid = phys_to_nid(((unsigned long)(pfn)) << PAGE_SHIFT);    \
-        ((pfn) - node_start_pfn(nid)) + node_mem_map(nid);              \
+        ((pfn) - node_start_pfn(nid)) + NODE_DATA(nid)->node_mem_map;   \
 })
 #define page_to_pfn(page) \
@@ -60,4 +56,8 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr)
                        ({ u8 nid__ = pfn_to_nid(pfn); \
                           nid__ != 0xff && (pfn) >= node_start_pfn(nid__) && (pfn) <= node_end_pfn(nid__); }))
 #endif
+#define local_mapnr(kvaddr) \
+        ( (__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr)) )
+#endif
 #endif
diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h
index 513e52c71821..bc700232728d 100644
--- a/include/asm-x86_64/msr.h
+++ b/include/asm-x86_64/msr.h
@@ -57,11 +57,6 @@
     (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
 } while(0)
-#define rdpmc(counter,low,high) \
-     __asm__ __volatile__("rdpmc" \
-                          : "=a" (low), "=d" (high) \
-                          : "c" (counter))
 #define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
 #define rdpmc(counter,low,high) \
diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index f43048035a03..431318764af6 100644
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -28,6 +28,7 @@
 #define HPAGE_SIZE      ((1UL) << HPAGE_SHIFT)
 #define HPAGE_MASK      (~(HPAGE_SIZE - 1))
 #define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
+#define ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
@@ -63,12 +64,14 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #define __pgd(x) ((pgd_t) { (x) } )
 #define __pgprot(x)     ((pgprot_t) { (x) } )
-#define __START_KERNEL          0xffffffff80100000UL
+#define __PHYSICAL_START        ((unsigned long)CONFIG_PHYSICAL_START)
+#define __START_KERNEL          (__START_KERNEL_map + __PHYSICAL_START)
 #define __START_KERNEL_map      0xffffffff80000000UL
 #define __PAGE_OFFSET           0xffff810000000000UL
 #else
-#define __START_KERNEL          0xffffffff80100000
+#define __PHYSICAL_START        CONFIG_PHYSICAL_START
+#define __START_KERNEL          (__START_KERNEL_map + __PHYSICAL_START)
 #define __START_KERNEL_map      0xffffffff80000000
 #define __PAGE_OFFSET           0xffff810000000000
 #endif /* !__ASSEMBLY__ */
@@ -118,7 +121,9 @@ extern __inline__ int get_order(unsigned long size)
          __pa(v); })
 #define __va(x)                 ((void *)((unsigned long)(x)+PAGE_OFFSET))
-#ifndef CONFIG_DISCONTIGMEM
+#define __boot_va(x)            __va(x)
+#define __boot_pa(x)            __pa(x)
+#ifdef CONFIG_FLATMEM
 #define pfn_to_page(pfn)        (mem_map + (pfn))
 #define page_to_pfn(page)       ((unsigned long)((page) - mem_map))
 #define pfn_valid(pfn)          ((pfn) < max_mapnr)
diff --git a/include/asm-x86_64/param.h b/include/asm-x86_64/param.h
index b707f0568c9e..40b11937180d 100644
--- a/include/asm-x86_64/param.h
+++ b/include/asm-x86_64/param.h
@@ -1,9 +1,11 @@
+#include <linux/config.h>
 #ifndef _ASMx86_64_PARAM_H
 #define _ASMx86_64_PARAM_H
 #ifdef __KERNEL__
-# define HZ            1000            /* Internal kernel timer frequency */
+# define HZ            CONFIG_HZ        /* Internal kernel timer frequency */
-# define USER_HZ       100          /* .. some user interfaces are in "ticks */
+# define USER_HZ       100              /* .. some user interfaces are in "ticks */
 #define CLOCKS_PER_SEC        (USER_HZ)       /* like times() */
 #endif
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 8712520ca47f..c1961db88fac 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -123,6 +123,16 @@ pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr,
        flush_write_buffers();
 }
+#ifdef CONFIG_PCI
+static inline void pci_dma_burst_advice(struct pci_dev *pdev,
+                                        enum pci_dma_burst_strategy *strat,
+                                        unsigned long *strategy_parameter)
+{
+        *strat = PCI_DMA_BURST_INFINITY;
+        *strategy_parameter = ~0UL;
+}
+#endif
 #define HAVE_PCI_MMAP
 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
                               enum pci_mmap_state mmap_state, int write_combine);
diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h
index 415d73f3c8ef..9c71855736fb 100644
--- a/include/asm-x86_64/percpu.h
+++ b/include/asm-x86_64/percpu.h
@@ -39,7 +39,7 @@ extern void setup_per_cpu_areas(void);
 #define DEFINE_PER_CPU(type, name) \
    __typeof__(type) per_cpu__##name
-#define per_cpu(var, cpu)                       (*((void)cpu, &per_cpu__##var))
+#define per_cpu(var, cpu)                       (*((void)(cpu), &per_cpu__##var))
 #define __get_cpu_var(var)                      per_cpu__##var
 #endif  /* SMP */
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index db2a0efbf573..4eec176c3c39 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -253,6 +253,7 @@ extern inline int pte_young(pte_t pte)		{ return pte_val(pte) & _PAGE_ACCESSED;
 extern inline int pte_write(pte_t pte)          { return pte_val(pte) & _PAGE_RW; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
+#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT)
 extern inline pte_t pte_rdprotect(pte_t pte)    { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
 extern inline pte_t pte_exprotect(pte_t pte)    { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
 extern inline pte_t pte_mkclean(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
@@ -263,6 +264,7 @@ extern inline pte_t pte_mkexec(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _
 extern inline pte_t pte_mkdirty(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
 extern inline pte_t pte_mkyoung(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
 extern inline pte_t pte_mkwrite(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; }
+extern inline pte_t pte_mkhuge(pte_t pte)       { set_pte(&pte, __pte(pte_val(pte) | __LARGE_PTE)); return pte; }
 struct vm_area_struct;
@@ -290,7 +292,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 */
 #define pgprot_noncached(prot)  (__pgprot(pgprot_val(prot) | _PAGE_PCD | _PAGE_PWT))
-#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT) 
 static inline int pmd_large(pmd_t pte) { 
        return (pmd_val(pte) & __LARGE_PTE) == __LARGE_PTE; 
 }       
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index d641b19f6da5..106f666517bb 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -160,16 +160,17 @@ static inline void clear_in_cr4 (unsigned long mask)
 /*
 * User space process size. 47bits minus one guard page.
 */
-#define TASK_SIZE       (0x800000000000UL - 4096)
+#define TASK_SIZE64     (0x800000000000UL - 4096)
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
 #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? 0xc0000000 : 0xFFFFe000)
-#define TASK_UNMAPPED_32 PAGE_ALIGN(IA32_PAGE_OFFSET/3)
-#define TASK_UNMAPPED_64 PAGE_ALIGN(TASK_SIZE/3) 
+#define TASK_SIZE               (test_thread_flag(TIF_IA32) ? IA32_PAGE_OFFSET : TASK_SIZE64)
-#define TASK_UNMAPPED_BASE      \
+#define TASK_SIZE_OF(child)     ((test_tsk_thread_flag(child, TIF_IA32)) ? IA32_PAGE_OFFSET : TASK_SIZE64)
-        (test_thread_flag(TIF_IA32) ? TASK_UNMAPPED_32 : TASK_UNMAPPED_64)  
+#define TASK_UNMAPPED_BASE      PAGE_ALIGN(TASK_SIZE/3)
 /*
 * Size of io_bitmap.
@@ -279,6 +280,14 @@ struct thread_struct {
        set_fs(USER_DS);                                                         \
 } while(0) 
+#define get_debugreg(var, register)                             \
+                __asm__("movq %%db" #register ", %0"            \
+                        :"=r" (var))
+#define set_debugreg(value, register)                   \
+                __asm__("movq %0,%%db" #register                \
+                        : /* no output */                       \
+                        :"r" (value))
 struct task_struct;
 struct mm_struct;
diff --git a/include/asm-x86_64/ptrace.h b/include/asm-x86_64/ptrace.h
index 5bbc8d3141c8..ca6f15ff61d4 100644
--- a/include/asm-x86_64/ptrace.h
+++ b/include/asm-x86_64/ptrace.h
@@ -82,6 +82,7 @@ struct pt_regs {
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__) 
 #define user_mode(regs) (!!((regs)->cs & 3))
+#define user_mode_vm(regs) user_mode(regs)
 #define instruction_pointer(regs) ((regs)->rip)
 extern unsigned long profile_pc(struct pt_regs *regs);
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
diff --git a/include/asm-x86_64/serial.h b/include/asm-x86_64/serial.h
index dbab232044cd..dc752eafa681 100644
--- a/include/asm-x86_64/serial.h
+++ b/include/asm-x86_64/serial.h
@@ -22,109 +22,9 @@
 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
 #endif
-#ifdef CONFIG_SERIAL_MANY_PORTS
+#define SERIAL_PORT_DFNS                        \
-#define FOURPORT_FLAGS ASYNC_FOURPORT
-#define ACCENT_FLAGS 0
-#define BOCA_FLAGS 0
-#define HUB6_FLAGS 0
-#endif
-#define MCA_COM_FLAGS   (STD_COM_FLAGS|ASYNC_BOOT_ONLYMCA)
-/*
- * The following define the access methods for the HUB6 card. All
- * access is through two ports for all 24 possible chips. The card is
- * selected through the high 2 bits, the port on that card with the
- * "middle" 3 bits, and the register on that port with the bottom
- * 3 bits.
- *
- * While the access port and interrupt is configurable, the default
- * port locations are 0x302 for the port control register, and 0x303
- * for the data read/write register. Normally, the interrupt is at irq3
- * but can be anything from 3 to 7 inclusive. Note that using 3 will
- * require disabling com2.
- */
-#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
-#define STD_SERIAL_PORT_DEFNS                   \
        /* UART CLK   PORT IRQ     FLAGS        */                      \
        { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
        { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
        { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
        { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
-#ifdef CONFIG_SERIAL_MANY_PORTS
-#define EXTRA_SERIAL_PORT_DEFNS                 \
-        { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
-        { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
-        { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
-        { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
-        { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
-        { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
-        { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
-        { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
-        { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
-        { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS14 (spare) */            \
-        { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS15 (spare) */            \
-        { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
-        { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
-        { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
-        { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
-        { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
-        { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
-        { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
-        { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
-        { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
-        { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
-        { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
-        { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
-        { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
-        { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
-        { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
-        { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
-#else
-#define EXTRA_SERIAL_PORT_DEFNS
-#endif
-/* You can have up to four HUB6's in the system, but I've only
- * included two cards here for a total of twelve ports.
- */
-#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
-#define HUB6_SERIAL_PORT_DFNS           \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) },  /* ttyS32 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) },  /* ttyS33 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) },  /* ttyS34 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) },  /* ttyS35 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) },  /* ttyS36 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) },  /* ttyS37 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) },  /* ttyS38 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) },  /* ttyS39 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) },  /* ttyS40 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) },  /* ttyS41 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) },  /* ttyS42 */ \
-        { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) },  /* ttyS43 */
-#else
-#define HUB6_SERIAL_PORT_DFNS
-#endif
-#ifdef CONFIG_MCA
-#define MCA_SERIAL_PORT_DFNS                    \
-        { 0, BASE_BAUD, 0x3220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x3228, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x4220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x4228, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x5220, 3, MCA_COM_FLAGS },     \
-        { 0, BASE_BAUD, 0x5228, 3, MCA_COM_FLAGS },
-#else
-#define MCA_SERIAL_PORT_DFNS
-#endif
-#define SERIAL_PORT_DFNS                \
-        STD_SERIAL_PORT_DEFNS           \
-        EXTRA_SERIAL_PORT_DEFNS         \
-        HUB6_SERIAL_PORT_DFNS           \
-        MCA_SERIAL_PORT_DFNS
diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index 96844fecbde8..aeb1b73e21e1 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -43,6 +43,8 @@ extern cpumask_t cpu_callout_map;
 extern void smp_alloc_memory(void);
 extern volatile unsigned long smp_invalidate_needed;
 extern int pic_mode;
+extern void lock_ipi_call_lock(void);
+extern void unlock_ipi_call_lock(void);
 extern int smp_num_siblings;
 extern void smp_flush_tlb(void);
 extern void smp_message_irq(int cpl, void *dev_id, struct pt_regs *regs);
@@ -68,7 +70,7 @@ static inline int num_booting_cpus(void)
        return cpus_weight(cpu_callout_map);
 }
-#define __smp_processor_id() read_pda(cpunumber)
+#define raw_smp_processor_id() read_pda(cpunumber)
 extern __inline int hard_smp_processor_id(void)
 {
@@ -77,6 +79,8 @@ extern __inline int hard_smp_processor_id(void)
 }
 extern int safe_smp_processor_id(void);
+extern int __cpu_disable(void);
+extern void __cpu_die(unsigned int cpu);
 #endif /* !ASSEMBLY */
diff --git a/include/asm-x86_64/sparsemem.h b/include/asm-x86_64/sparsemem.h
new file mode 100644
index 000000000000..dabb16714a71
--- /dev/null
+++ b/include/asm-x86_64/sparsemem.h
@@ -0,0 +1,26 @@
+#ifndef _ASM_X86_64_SPARSEMEM_H
+#define _ASM_X86_64_SPARSEMEM_H 1
+#ifdef CONFIG_SPARSEMEM
+/*
+ * generic non-linear memory support:
+ *
+ * 1) we will not split memory into more chunks than will fit into the flags
+ *    field of the struct page
+ *
+ * SECTION_SIZE_BITS            2^n: size of each section
+ * MAX_PHYSADDR_BITS            2^n: max size of physical address space
+ * MAX_PHYSMEM_BITS             2^n: how much memory we can have in that space
+ *
+ */
+#define SECTION_SIZE_BITS       27 /* matt - 128 is convenient right now */
+#define MAX_PHYSADDR_BITS       40
+#define MAX_PHYSMEM_BITS        40
+extern int early_pfn_to_nid(unsigned long pfn);
+#endif /* CONFIG_SPARSEMEM */
+#endif /* _ASM_X86_64_SPARSEMEM_H */
diff --git a/include/asm-x86_64/suspend.h b/include/asm-x86_64/suspend.h
index ec745807feae..bb9f40597d09 100644
--- a/include/asm-x86_64/suspend.h
+++ b/include/asm-x86_64/suspend.h
@@ -16,7 +16,7 @@ arch_prepare_suspend(void)
 struct saved_context {
        u16 ds, es, fs, gs, ss;
        unsigned long gs_base, gs_kernel_base, fs_base;
-        unsigned long cr0, cr2, cr3, cr4;
+        unsigned long cr0, cr2, cr3, cr4, cr8;
        u16 gdt_pad;
        u16 gdt_limit;
        unsigned long gdt_base;
diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h
index f4b3b249639c..08eb6e4f3737 100644
--- a/include/asm-x86_64/thread_info.h
+++ b/include/asm-x86_64/thread_info.h
@@ -29,7 +29,7 @@ struct thread_info {
        __u32                   flags;          /* low level flags */
        __u32                   status;         /* thread synchronous flags */
        __u32                   cpu;            /* current CPU */
-        int                     preempt_count;
+        int                     preempt_count;  /* 0 => preemptable, <0 => BUG */
        mm_segment_t            addr_limit;     
        struct restart_block    restart_block;
diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h
index 34f31a18f90b..24ecf6a637cb 100644
--- a/include/asm-x86_64/timex.h
+++ b/include/asm-x86_64/timex.h
@@ -26,6 +26,9 @@ static inline cycles_t get_cycles (void)
 extern unsigned int cpu_khz;
+extern int read_current_timer(unsigned long *timer_value);
+#define ARCH_HAS_READ_CURRENT_TIMER     1
 extern struct vxtime_data vxtime;
 #endif
diff --git a/include/asm-x86_64/tlbflush.h b/include/asm-x86_64/tlbflush.h
index 2e811ac262af..061742382520 100644
--- a/include/asm-x86_64/tlbflush.h
+++ b/include/asm-x86_64/tlbflush.h
@@ -22,16 +22,18 @@
 */
 #define __flush_tlb_global()                                            \
        do {                                                            \
-                unsigned long tmpreg;                                   \
+                unsigned long tmpreg, cr4, cr4_orig;                    \
                                                                        \
                __asm__ __volatile__(                                   \
-                        "movq %1, %%cr4;  # turn off PGE     \n"        \
+                        "movq %%cr4, %2;  # turn off PGE     \n"        \
+                        "movq %2, %1;                        \n"        \
+                        "andq %3, %1;                        \n"        \
+                        "movq %1, %%cr4;                     \n"        \
                        "movq %%cr3, %0;  # flush TLB        \n"        \
                        "movq %0, %%cr3;                     \n"        \
                        "movq %2, %%cr4;  # turn PGE back on \n"        \
-                        : "=&r" (tmpreg)                                \
+                        : "=&r" (tmpreg), "=&r" (cr4), "=&r" (cr4_orig) \
-                        : "r" (mmu_cr4_features & ~X86_CR4_PGE),        \
+                        : "i" (~X86_CR4_PGE)                            \
-                          "r" (mmu_cr4_features)                        \
                        : "memory");                                    \
        } while (0)
diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h
index 67f24e0ea819..c1bc3fad482e 100644
--- a/include/asm-x86_64/topology.h
+++ b/include/asm-x86_64/topology.h
@@ -3,7 +3,7 @@
 #include <linux/config.h>
-#ifdef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_NUMA
 #include <asm/mpspec.h>
 #include <asm/bitops.h>
@@ -13,8 +13,8 @@
 extern cpumask_t cpu_online_map;
 extern unsigned char cpu_to_node[];
+extern unsigned char pci_bus_to_node[];
 extern cpumask_t     node_to_cpumask[];
-extern cpumask_t pci_bus_to_cpumask[];
 #ifdef CONFIG_ACPI_NUMA
 extern int __node_distance(int, int);
@@ -26,18 +26,9 @@ extern int __node_distance(int, int);
 #define parent_node(node)               (node)
 #define node_to_first_cpu(node)         (__ffs(node_to_cpumask[node]))
 #define node_to_cpumask(node)           (node_to_cpumask[node])
+#define pcibus_to_node(bus)             pci_bus_to_node[(bus)->number]
+#define pcibus_to_cpumask(bus)          node_to_cpumask(pcibus_to_node(bus));
-static inline cpumask_t __pcibus_to_cpumask(int bus)
-{
-        cpumask_t busmask = pci_bus_to_cpumask[bus];
-        cpumask_t online = cpu_online_map;
-        cpumask_t res;
-        cpus_and(res, busmask, online);
-        return res;
-}
-#define pcibus_to_cpumask(bus) __pcibus_to_cpumask(bus->number)
-#ifdef CONFIG_NUMA
 /* sched_domains SD_NODE_INIT for x86_64 machines */
 #define SD_NODE_INIT (struct sched_domain) {            \
        .span                   = CPU_MASK_NONE,        \
@@ -48,18 +39,21 @@ static inline cpumask_t __pcibus_to_cpumask(int bus)
        .busy_factor            = 32,                   \
        .imbalance_pct          = 125,                  \
        .cache_hot_time         = (10*1000000),         \
-        .cache_nice_tries       = 1,                    \
+        .cache_nice_tries       = 2,                    \
+        .busy_idx               = 3,                    \
+        .idle_idx               = 2,                    \
+        .newidle_idx            = 0,                    \
+        .wake_idx               = 1,                    \
+        .forkexec_idx           = 1,                    \
        .per_cpu_gain           = 100,                  \
        .flags                  = SD_LOAD_BALANCE       \
-                                | SD_BALANCE_NEWIDLE    \
+                                | SD_BALANCE_FORK       \
                                | SD_BALANCE_EXEC       \
-                                | SD_WAKE_IDLE          \
                                | SD_WAKE_BALANCE,      \
        .last_balance           = jiffies,              \
        .balance_interval       = 1,                    \
        .nr_balance_failed      = 0,                    \
 }
-#endif
 #endif
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 3c9af6fd4332..6560439a83e4 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -552,7 +552,7 @@ __SYSCALL(__NR_mq_notify, sys_mq_notify)
 #define __NR_mq_getsetattr      245
 __SYSCALL(__NR_mq_getsetattr, sys_mq_getsetattr)
 #define __NR_kexec_load         246
-__SYSCALL(__NR_kexec_load, sys_ni_syscall)
+__SYSCALL(__NR_kexec_load, sys_kexec_load)
 #define __NR_waitid             247
 __SYSCALL(__NR_waitid, sys_waitid)
 #define __NR_add_key            248
@@ -561,8 +561,12 @@ __SYSCALL(__NR_add_key, sys_add_key)
 __SYSCALL(__NR_request_key, sys_request_key)
 #define __NR_keyctl             250
 __SYSCALL(__NR_keyctl, sys_keyctl)
+#define __NR_ioprio_set         251
+__SYSCALL(__NR_ioprio_set, sys_ioprio_set)
+#define __NR_ioprio_get         252
+__SYSCALL(__NR_ioprio_get, sys_ioprio_get)
-#define __NR_syscall_max __NR_keyctl
+#define __NR_syscall_max __NR_ioprio_get
 #ifndef __NO_STUBS
 /* user-visible error numbers are in the range -1 - -4095 */