18 files changed, 220 insertions, 106 deletions

diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h
index e8659909e5f6..f62f4733606b 100644
--- a/include/asm-x86/bootparam.h
+++ b/include/asm-x86/bootparam.h
@@ -14,10 +14,10 @@
 
 /* extensible setup data list node */
 struct setup_data {
-        u64 next;
-        u32 type;
-        u32 len;
-        u8 data[0];
+        __u64 next;
+        __u32 type;
+        __u32 len;
+        __u8 data[0];
 };
 
 struct setup_header {
diff --git a/include/asm-x86/div64.h b/include/asm-x86/div64.h
index 0dbf8bf3ef0a..9a2d644c08ef 100644
--- a/include/asm-x86/div64.h
+++ b/include/asm-x86/div64.h
@@ -33,25 +33,25 @@
         __mod;                                                  \
 })
 
-/*
- * (long)X = ((long long)divs) / (long)div
- * (long)rem = ((long long)divs) % (long)div
- *
- * Warning, this will do an exception if X overflows.
- */
-#define div_long_long_rem(a, b, c) div_ll_X_l_rem(a, b, c)
-
-static inline long div_ll_X_l_rem(long long divs, long div, long *rem)
+static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
 {
-        long dum2;
-        asm("divl %2":"=a"(dum2), "=d"(*rem)
-            : "rm"(div), "A"(divs));
-
-        return dum2;
-
+        union {
+                u64 v64;
+                u32 v32[2];
+        } d = { dividend };
+        u32 upper;
+
+        upper = d.v32[1];
+        d.v32[1] = 0;
+        if (upper >= divisor) {
+                d.v32[1] = upper / divisor;
+                upper %= divisor;
+        }
+        asm ("divl %2" : "=a" (d.v32[0]), "=d" (*remainder) :
+                "rm" (divisor), "0" (d.v32[0]), "1" (upper));
+        return d.v64;
 }
-
-extern uint64_t div64_64(uint64_t dividend, uint64_t divisor);
+#define div_u64_rem     div_u64_rem
 
 #else
 # include <asm-generic/div64.h>
diff --git a/include/asm-x86/dmi.h b/include/asm-x86/dmi.h
index 1241e6ad1935..4edf7514a750 100644
--- a/include/asm-x86/dmi.h
+++ b/include/asm-x86/dmi.h
@@ -27,6 +27,7 @@ static inline void *dmi_alloc(unsigned len)
 
 #endif
 
+/* Use early IO mappings for DMI because it's initialized early */
 #define dmi_ioremap early_ioremap
 #define dmi_iounmap early_iounmap
 
diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h
index ac0fbf24d722..e7a76b37b333 100644
--- a/include/asm-x86/futex.h
+++ b/include/asm-x86/futex.h
@@ -4,12 +4,12 @@
 #ifdef __KERNEL__
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 
 #include <asm/asm.h>
 #include <asm/errno.h>
 #include <asm/processor.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 
 #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg)     \
         asm volatile("1:\t" insn "\n"                           \
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index 6e73467a4fb1..049e81e797a0 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -133,11 +133,6 @@ extern void *early_ioremap(unsigned long offset, unsigned long size);
 extern void early_iounmap(void *addr, unsigned long size);
 extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
 
-/* Use early IO mappings for DMI because it's initialized early */
-#define dmi_ioremap early_ioremap
-#define dmi_iounmap early_iounmap
-#define dmi_alloc alloc_bootmem
-
 /*
  * ISA I/O bus memory addresses are 1:1 with the physical address.
  */
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 9d963cd6533c..1d8cd01fa514 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -314,6 +314,9 @@ struct kvm_arch{
         struct page *apic_access_page;
 
         gpa_t wall_clock;
+
+        struct page *ept_identity_pagetable;
+        bool ept_identity_pagetable_done;
 };
 
 struct kvm_vm_stat {
@@ -422,6 +425,7 @@ struct kvm_x86_ops {
                                        struct kvm_run *run);
 
         int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
+        int (*get_tdp_level)(void);
 };
 
 extern struct kvm_x86_ops *kvm_x86_ops;
@@ -433,6 +437,9 @@ void kvm_mmu_destroy(struct kvm_vcpu *vcpu);
 int kvm_mmu_create(struct kvm_vcpu *vcpu);
 int kvm_mmu_setup(struct kvm_vcpu *vcpu);
 void kvm_mmu_set_nonpresent_ptes(u64 trap_pte, u64 notrap_pte);
+void kvm_mmu_set_base_ptes(u64 base_pte);
+void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
+                u64 dirty_mask, u64 nx_mask, u64 x_mask);
 
 int kvm_mmu_reset_context(struct kvm_vcpu *vcpu);
 void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot);
@@ -620,7 +627,7 @@ static inline void fx_restore(struct i387_fxsave_struct *image)
         asm("fxrstor (%0)":: "r" (image));
 }
 
-static inline void fpu_init(void)
+static inline void fx_finit(void)
 {
         asm("finit");
 }
@@ -644,6 +651,7 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
 #define ASM_VMX_VMWRITE_RSP_RDX   ".byte 0x0f, 0x79, 0xd4"
 #define ASM_VMX_VMXOFF            ".byte 0x0f, 0x01, 0xc4"
 #define ASM_VMX_VMXON_RAX         ".byte 0xf3, 0x0f, 0xc7, 0x30"
+#define ASM_VMX_INVEPT            ".byte 0x66, 0x0f, 0x38, 0x80, 0x08"
 #define ASM_VMX_INVVPID           ".byte 0x66, 0x0f, 0x38, 0x81, 0x08"
 
 #define MSR_IA32_TIME_STAMP_COUNTER             0x010
diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h
index 0a6634f62abe..21003b56ae95 100644
--- a/include/asm-x86/mach-default/mach_apic.h
+++ b/include/asm-x86/mach-default/mach_apic.h
@@ -109,13 +109,8 @@ static inline int cpu_to_logical_apicid(int cpu)
 
 static inline int cpu_present_to_apicid(int mps_cpu)
 {
-#ifdef CONFIG_X86_64
-        if (cpu_present(mps_cpu))
+        if (mps_cpu < NR_CPUS && cpu_present(mps_cpu))
                 return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
-#else
-        if (mps_cpu < get_physical_broadcast())
-                return  mps_cpu;
-#endif
         else
                 return BAD_APICID;
 }
diff --git a/include/asm-x86/olpc.h b/include/asm-x86/olpc.h
new file mode 100644
index 000000000000..97d47133486f
--- /dev/null
+++ b/include/asm-x86/olpc.h
@@ -0,0 +1,132 @@
+/* OLPC machine specific definitions */
+
+#ifndef ASM_OLPC_H_
+#define ASM_OLPC_H_
+
+#include <asm/geode.h>
+
+struct olpc_platform_t {
+        int flags;
+        uint32_t boardrev;
+        int ecver;
+};
+
+#define OLPC_F_PRESENT          0x01
+#define OLPC_F_DCON             0x02
+#define OLPC_F_VSA              0x04
+
+#ifdef CONFIG_OLPC
+
+extern struct olpc_platform_t olpc_platform_info;
+
+/*
+ * OLPC board IDs contain the major build number within the mask 0x0ff0,
+ * and the minor build number withing 0x000f.  Pre-builds have a minor
+ * number less than 8, and normal builds start at 8.  For example, 0x0B10
+ * is a PreB1, and 0x0C18 is a C1.
+ */
+
+static inline uint32_t olpc_board(uint8_t id)
+{
+        return (id << 4) | 0x8;
+}
+
+static inline uint32_t olpc_board_pre(uint8_t id)
+{
+        return id << 4;
+}
+
+static inline int machine_is_olpc(void)
+{
+        return (olpc_platform_info.flags & OLPC_F_PRESENT) ? 1 : 0;
+}
+
+/*
+ * The DCON is OLPC's Display Controller.  It has a number of unique
+ * features that we might want to take advantage of..
+ */
+static inline int olpc_has_dcon(void)
+{
+        return (olpc_platform_info.flags & OLPC_F_DCON) ? 1 : 0;
+}
+
+/*
+ * The VSA is software from AMD that typical Geode bioses will include.
+ * It is used to emulate the PCI bus, VGA, etc.  OLPC's Open Firmware does
+ * not include the VSA; instead, PCI is emulated by the kernel.
+ *
+ * The VSA is described further in arch/x86/pci/olpc.c.
+ */
+static inline int olpc_has_vsa(void)
+{
+        return (olpc_platform_info.flags & OLPC_F_VSA) ? 1 : 0;
+}
+
+/*
+ * The "Mass Production" version of OLPC's XO is identified as being model
+ * C2.  During the prototype phase, the following models (in chronological
+ * order) were created: A1, B1, B2, B3, B4, C1.  The A1 through B2 models
+ * were based on Geode GX CPUs, and models after that were based upon
+ * Geode LX CPUs.  There were also some hand-assembled models floating
+ * around, referred to as PreB1, PreB2, etc.
+ */
+static inline int olpc_board_at_least(uint32_t rev)
+{
+        return olpc_platform_info.boardrev >= rev;
+}
+
+#else
+
+static inline int machine_is_olpc(void)
+{
+        return 0;
+}
+
+static inline int olpc_has_dcon(void)
+{
+        return 0;
+}
+
+static inline int olpc_has_vsa(void)
+{
+        return 0;
+}
+
+#endif
+
+/* EC related functions */
+
+extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
+                unsigned char *outbuf, size_t outlen);
+
+extern int olpc_ec_mask_set(uint8_t bits);
+extern int olpc_ec_mask_unset(uint8_t bits);
+
+/* EC commands */
+
+#define EC_FIRMWARE_REV         0x08
+
+/* SCI source values */
+
+#define EC_SCI_SRC_EMPTY        0x00
+#define EC_SCI_SRC_GAME         0x01
+#define EC_SCI_SRC_BATTERY      0x02
+#define EC_SCI_SRC_BATSOC       0x04
+#define EC_SCI_SRC_BATERR       0x08
+#define EC_SCI_SRC_EBOOK        0x10
+#define EC_SCI_SRC_WLAN         0x20
+#define EC_SCI_SRC_ACPWR        0x40
+#define EC_SCI_SRC_ALL          0x7F
+
+/* GPIO assignments */
+
+#define OLPC_GPIO_MIC_AC        geode_gpio(1)
+#define OLPC_GPIO_DCON_IRQ      geode_gpio(7)
+#define OLPC_GPIO_THRM_ALRM     geode_gpio(10)
+#define OLPC_GPIO_SMB_CLK       geode_gpio(14)
+#define OLPC_GPIO_SMB_DATA      geode_gpio(15)
+#define OLPC_GPIO_WORKAUX       geode_gpio(24)
+#define OLPC_GPIO_LID           geode_gpio(26)
+#define OLPC_GPIO_ECSCI         geode_gpio(27)
+
+#endif
diff --git a/include/asm-x86/pci.h b/include/asm-x86/pci.h
index ddd8e248fc0a..30bbde0cb34b 100644
--- a/include/asm-x86/pci.h
+++ b/include/asm-x86/pci.h
@@ -19,6 +19,8 @@ struct pci_sysdata {
 };
 
 /* scan a bus after allocating a pci_sysdata for it */
+extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops,
+                                            int node);
 extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
 
 static inline int pci_domain_nr(struct pci_bus *bus)
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 2e7974ec77ec..559105220a47 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -3,9 +3,6 @@
 
 #include <asm/processor-flags.h>
 
-/* migration helper, for KVM - will be removed in 2.6.25: */
-#define Xgt_desc_struct desc_ptr
-
 /* Forward declaration, a strange C thing */
 struct task_struct;
 struct mm_struct;
diff --git a/include/asm-x86/proto.h b/include/asm-x86/proto.h
index 1e17bcce450e..6c8b41b03f6d 100644
--- a/include/asm-x86/proto.h
+++ b/include/asm-x86/proto.h
@@ -20,7 +20,11 @@ extern void syscall32_cpu_init(void);
 
 extern void check_efer(void);
 
+#ifdef CONFIG_X86_BIOS_REBOOT
 extern int reboot_force;
+#else
+static const int reboot_force = 0;
+#endif
 
 long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
 
diff --git a/include/asm-x86/thread_info_32.h b/include/asm-x86/thread_info_32.h
index 531859962096..b6338829d1a8 100644
--- a/include/asm-x86/thread_info_32.h
+++ b/include/asm-x86/thread_info_32.h
@@ -131,7 +131,6 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SYSCALL_EMU         5       /* syscall emulation active */
 #define TIF_SYSCALL_AUDIT       6       /* syscall auditing active */
 #define TIF_SECCOMP             7       /* secure computing */
-#define TIF_RESTORE_SIGMASK     8       /* restore signal mask in do_signal() */
 #define TIF_HRTICK_RESCHED      9       /* reprogram hrtick timer */
 #define TIF_MEMDIE              16
 #define TIF_DEBUG               17      /* uses debug registers */
@@ -151,7 +150,6 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SYSCALL_EMU        (1 << TIF_SYSCALL_EMU)
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP            (1 << TIF_SECCOMP)
-#define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
 #define _TIF_HRTICK_RESCHED     (1 << TIF_HRTICK_RESCHED)
 #define _TIF_DEBUG              (1 << TIF_DEBUG)
 #define _TIF_IO_BITMAP          (1 << TIF_IO_BITMAP)
@@ -188,9 +186,20 @@ static inline struct thread_info *current_thread_info(void)
                                            this quantum (SMP) */
 #define TS_POLLING              0x0002  /* True if in idle loop
                                            and not sleeping */
+#define TS_RESTORE_SIGMASK      0x0004  /* restore signal mask in do_signal() */
 
 #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
 
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK        1
+static inline void set_restore_sigmask(void)
+{
+        struct thread_info *ti = current_thread_info();
+        ti->status |= TS_RESTORE_SIGMASK;
+        set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif  /* !__ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/include/asm-x86/thread_info_64.h b/include/asm-x86/thread_info_64.h
index ed664e874dec..cb69f70abba1 100644
--- a/include/asm-x86/thread_info_64.h
+++ b/include/asm-x86/thread_info_64.h
@@ -109,7 +109,6 @@ static inline struct thread_info *stack_thread_info(void)
 #define TIF_IRET                5       /* force IRET */
 #define TIF_SYSCALL_AUDIT       7       /* syscall auditing active */
 #define TIF_SECCOMP             8       /* secure computing */
-#define TIF_RESTORE_SIGMASK     9       /* restore signal mask in do_signal */
 #define TIF_MCE_NOTIFY          10      /* notify userspace of an MCE */
 #define TIF_HRTICK_RESCHED      11      /* reprogram hrtick timer */
 /* 16 free */
@@ -133,7 +132,6 @@ static inline struct thread_info *stack_thread_info(void)
 #define _TIF_IRET               (1 << TIF_IRET)
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP            (1 << TIF_SECCOMP)
-#define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
 #define _TIF_MCE_NOTIFY         (1 << TIF_MCE_NOTIFY)
 #define _TIF_HRTICK_RESCHED     (1 << TIF_HRTICK_RESCHED)
 #define _TIF_IA32               (1 << TIF_IA32)
@@ -178,9 +176,20 @@ static inline struct thread_info *stack_thread_info(void)
 #define TS_COMPAT               0x0002  /* 32bit syscall active */
 #define TS_POLLING              0x0004  /* true if in idle loop
                                            and not sleeping */
+#define TS_RESTORE_SIGMASK      0x0008  /* restore signal mask in do_signal() */
 
 #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
 
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK        1
+static inline void set_restore_sigmask(void)
+{
+        struct thread_info *ti = current_thread_info();
+        ti->status |= TS_RESTORE_SIGMASK;
+        set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif  /* !__ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/include/asm-x86/time.h b/include/asm-x86/time.h
index 68779b048a3e..bce72d7a958c 100644
--- a/include/asm-x86/time.h
+++ b/include/asm-x86/time.h
@@ -1,7 +1,6 @@
 #ifndef _ASMX86_TIME_H
 #define _ASMX86_TIME_H
 
-extern void (*late_time_init)(void);
 extern void hpet_time_init(void);
 
 #include <asm/mc146818rtc.h>
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 22073268b481..4f35a0fb4f22 100644
--- a/include/asm-x86/topology.h
+++ b/include/asm-x86/topology.h
@@ -193,9 +193,29 @@ extern cpumask_t cpu_coregroup_map(int cpu);
 #define topology_thread_siblings(cpu)           (per_cpu(cpu_sibling_map, cpu))
 #endif
 
+static inline void arch_fix_phys_package_id(int num, u32 slot)
+{
+}
+
+struct pci_bus;
+void set_pci_bus_resources_arch_default(struct pci_bus *b);
+
 #ifdef CONFIG_SMP
 #define mc_capable()                    (boot_cpu_data.x86_max_cores > 1)
 #define smt_capable()                   (smp_num_siblings > 1)
 #endif
 
+#ifdef CONFIG_NUMA
+extern int get_mp_bus_to_node(int busnum);
+extern void set_mp_bus_to_node(int busnum, int node);
+#else
+static inline int get_mp_bus_to_node(int busnum)
+{
+        return 0;
+}
+static inline void set_mp_bus_to_node(int busnum, int node)
+{
+}
+#endif
+
 #endif
diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index d2d8eb5b55f5..548873ab5fc1 100644
--- a/include/asm-x86/tsc.h
+++ b/include/asm-x86/tsc.h
@@ -32,7 +32,7 @@ static inline cycles_t get_cycles(void)
         return ret;
 }
 
-static inline cycles_t vget_cycles(void)
+static __always_inline cycles_t vget_cycles(void)
 {
         /*
          * We only do VDSOs on TSC capable CPUs, so this shouldnt
diff --git a/include/asm-x86/types.h b/include/asm-x86/types.h
index 63733f315688..1ac80cd9acf8 100644
--- a/include/asm-x86/types.h
+++ b/include/asm-x86/types.h
@@ -1,34 +1,12 @@
 #ifndef _ASM_X86_TYPES_H
 #define _ASM_X86_TYPES_H
 
+#include <asm-generic/int-ll64.h>
+
 #ifndef __ASSEMBLY__
 
 typedef unsigned short umode_t;
 
-/*
- * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
- * header files exported to user space
- */
-
-typedef __signed__ char __s8;
-typedef unsigned char __u8;
-
-typedef __signed__ short __s16;
-typedef unsigned short __u16;
-
-typedef __signed__ int __s32;
-typedef unsigned int __u32;
-
-#ifdef __i386__
-# ifdef __GNUC__
-__extension__ typedef __signed__ long long __s64;
-__extension__ typedef unsigned long long __u64;
-# endif
-#else
-typedef __signed__ long long __s64;
-typedef unsigned long long __u64;
-#endif
-
 #endif /* __ASSEMBLY__ */
 
 /*
@@ -44,18 +22,6 @@ typedef unsigned long long __u64;
 
 #ifndef __ASSEMBLY__
 
-typedef signed char s8;
-typedef unsigned char u8;
-
-typedef signed short s16;
-typedef unsigned short u16;
-
-typedef signed int s32;
-typedef unsigned int u32;
-
-typedef signed long long s64;
-typedef unsigned long long u64;
-
 typedef u64 dma64_addr_t;
 #if defined(CONFIG_X86_64) || defined(CONFIG_HIGHMEM64G)
 /* DMA addresses come in 32-bit and 64-bit flavours. */
diff --git a/include/asm-x86/unaligned.h b/include/asm-x86/unaligned.h
index d270ffe72759..a7bd416b4763 100644
--- a/include/asm-x86/unaligned.h
+++ b/include/asm-x86/unaligned.h
@@ -3,35 +3,12 @@
 
 /*
  * The x86 can do unaligned accesses itself.
- *
- * The strange macros are there to make sure these can't
- * be misused in a way that makes them not work on other
- * architectures where unaligned accesses aren't as simple.
  */
 
-/**
- * get_unaligned - get value from possibly mis-aligned location
- * @ptr: pointer to value
- *
- * This macro should be used for accessing values larger in size than
- * single bytes at locations that are expected to be improperly aligned,
- * e.g. retrieving a u16 value from a location not u16-aligned.
- *
- * Note that unaligned accesses can be very expensive on some architectures.
- */
-#define get_unaligned(ptr) (*(ptr))
+#include <linux/unaligned/access_ok.h>
+#include <linux/unaligned/generic.h>
 
-/**
- * put_unaligned - put value to a possibly mis-aligned location
- * @val: value to place
- * @ptr: pointer to location
- *
- * This macro should be used for placing values larger in size than
- * single bytes at locations that are expected to be improperly aligned,
- * e.g. writing a u16 value to a location not u16-aligned.
- *
- * Note that unaligned accesses can be very expensive on some architectures.
- */
-#define put_unaligned(val, ptr) ((void)(*(ptr) = (val)))
+#define get_unaligned __get_unaligned_le
+#define put_unaligned __put_unaligned_le
 
 #endif /* _ASM_X86_UNALIGNED_H */