Merge branch 'kvm-updates/2.6.33' of git://git.kernel.org/pub/scm/virt/kvm/kvm

* 'kvm-updates/2.6.33' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (84 commits)
  KVM: VMX: Fix comparison of guest efer with stale host value
  KVM: s390: Fix prefix register checking in arch/s390/kvm/sigp.c
  KVM: Drop user return notifier when disabling virtualization on a cpu
  KVM: VMX: Disable unrestricted guest when EPT disabled
  KVM: x86 emulator: limit instructions to 15 bytes
  KVM: s390: Make psw available on all exits, not just a subset
  KVM: x86: Add KVM_GET/SET_VCPU_EVENTS
  KVM: VMX: Report unexpected simultaneous exceptions as internal errors
  KVM: Allow internal errors reported to userspace to carry extra data
  KVM: Reorder IOCTLs in main kvm.h
  KVM: x86: Polish exception injection via KVM_SET_GUEST_DEBUG
  KVM: only clear irq_source_id if irqchip is present
  KVM: x86: disallow KVM_{SET,GET}_LAPIC without allocated in-kernel lapic
  KVM: x86: disallow multiple KVM_CREATE_IRQCHIP
  KVM: VMX: Remove vmx->msr_offset_efer
  KVM: MMU: update invlpg handler comment
  KVM: VMX: move CR3/PDPTR update to vmx_set_cr3
  KVM: remove duplicated task_switch check
  KVM: powerpc: Fix BUILD_BUG_ON condition
  KVM: VMX: Use shared msr infrastructure
  ...

Trivial conflicts due to new Kconfig options in arch/Kconfig and kernel/Makefile

3 files changed, 253 insertions, 121 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index f8f8900fc5ec..2d241da07236 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -14,12 +14,76 @@
 
 #define KVM_API_VERSION 12
 
-/* for KVM_TRACE_ENABLE, deprecated */
+/* *** Deprecated interfaces *** */
+
+#define KVM_TRC_SHIFT           16
+
+#define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
+#define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
+
+#define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
+#define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
+#define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
+
+#define KVM_TRC_HEAD_SIZE       12
+#define KVM_TRC_CYCLE_SIZE      8
+#define KVM_TRC_EXTRA_MAX       7
+
+#define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
+#define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
+#define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
+#define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
+#define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
+#define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
+#define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
+#define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
+#define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
+#define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
+#define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
+#define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
+#define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
+#define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
+#define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
+#define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
+#define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
+#define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
+#define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
+#define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
+#define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
+#define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
+#define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
+#define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
+
 struct kvm_user_trace_setup {
-        __u32 buf_size; /* sub_buffer size of each per-cpu */
-        __u32 buf_nr; /* the number of sub_buffers of each per-cpu */
+        __u32 buf_size;
+        __u32 buf_nr;
+};
+
+#define __KVM_DEPRECATED_MAIN_W_0x06 \
+        _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
+#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
+#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
+
+#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
+
+struct kvm_breakpoint {
+        __u32 enabled;
+        __u32 padding;
+        __u64 address;
+};
+
+struct kvm_debug_guest {
+        __u32 enabled;
+        __u32 pad;
+        struct kvm_breakpoint breakpoints[4];
+        __u32 singlestep;
 };
 
+#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
+
+/* *** End of deprecated interfaces *** */
+
+
 /* for KVM_CREATE_MEMORY_REGION */
 struct kvm_memory_region {
         __u32 slot;
@@ -99,6 +163,7 @@ struct kvm_pit_config {
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 #define KVM_INTERNAL_ERROR_EMULATION 1
+#define KVM_INTERNAL_ERROR_SIMUL_EX 2
 
 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 struct kvm_run {
@@ -116,6 +181,11 @@ struct kvm_run {
         __u64 cr8;
         __u64 apic_base;
 
+#ifdef __KVM_S390
+        /* the processor status word for s390 */
+        __u64 psw_mask; /* psw upper half */
+        __u64 psw_addr; /* psw lower half */
+#endif
         union {
                 /* KVM_EXIT_UNKNOWN */
                 struct {
@@ -167,8 +237,6 @@ struct kvm_run {
                 /* KVM_EXIT_S390_SIEIC */
                 struct {
                         __u8 icptcode;
-                        __u64 mask; /* psw upper half */
-                        __u64 addr; /* psw lower half */
                         __u16 ipa;
                         __u32 ipb;
                 } s390_sieic;
@@ -187,6 +255,9 @@ struct kvm_run {
                 } dcr;
                 struct {
                         __u32 suberror;
+                        /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
+                        __u32 ndata;
+                        __u64 data[16];
                 } internal;
                 /* Fix the size of the union. */
                 char padding[256];
@@ -329,24 +400,6 @@ struct kvm_ioeventfd {
         __u8  pad[36];
 };
 
-#define KVM_TRC_SHIFT           16
-/*
- * kvm trace categories
- */
-#define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
-#define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1)) /* only 12 bits */
-
-/*
- * kvm trace action
- */
-#define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
-#define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
-#define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
-
-#define KVM_TRC_HEAD_SIZE       12
-#define KVM_TRC_CYCLE_SIZE      8
-#define KVM_TRC_EXTRA_MAX       7
-
 #define KVMIO 0xAE
 
 /*
@@ -367,12 +420,10 @@ struct kvm_ioeventfd {
  */
 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
-/*
- * ioctls for kvm trace
- */
-#define KVM_TRACE_ENABLE          _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
-#define KVM_TRACE_PAUSE           _IO(KVMIO,  0x07)
-#define KVM_TRACE_DISABLE         _IO(KVMIO,  0x08)
+#define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
+#define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
+#define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
+
 /*
  * Extension capability list.
  */
@@ -436,6 +487,15 @@ struct kvm_ioeventfd {
 #endif
 #define KVM_CAP_IOEVENTFD 36
 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
+#ifdef __KVM_HAVE_XEN_HVM
+#define KVM_CAP_XEN_HVM 38
+#endif
+#define KVM_CAP_ADJUST_CLOCK 39
+#define KVM_CAP_INTERNAL_ERROR_DATA 40
+#ifdef __KVM_HAVE_VCPU_EVENTS
+#define KVM_CAP_VCPU_EVENTS 41
+#endif
+#define KVM_CAP_S390_PSW 42
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -488,6 +548,18 @@ struct kvm_x86_mce {
 };
 #endif
 
+#ifdef KVM_CAP_XEN_HVM
+struct kvm_xen_hvm_config {
+        __u32 flags;
+        __u32 msr;
+        __u64 blob_addr_32;
+        __u64 blob_addr_64;
+        __u8 blob_size_32;
+        __u8 blob_size_64;
+        __u8 pad2[30];
+};
+#endif
+
 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
 
 struct kvm_irqfd {
@@ -497,55 +569,66 @@ struct kvm_irqfd {
         __u8  pad[20];
 };
 
+struct kvm_clock_data {
+        __u64 clock;
+        __u32 flags;
+        __u32 pad[9];
+};
+
 /*
  * ioctls for VM fds
  */
-#define KVM_SET_MEMORY_REGION     _IOW(KVMIO, 0x40, struct kvm_memory_region)
+#define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
 /*
  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
  * a vcpu fd.
  */
-#define KVM_CREATE_VCPU           _IO(KVMIO,  0x41)
-#define KVM_GET_DIRTY_LOG         _IOW(KVMIO, 0x42, struct kvm_dirty_log)
-#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO, 0x43, struct kvm_memory_alias)
-#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO, 0x44)
-#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO, 0x45)
-#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46,\
+#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
+#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
+#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
+#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
+#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
+#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
                                         struct kvm_userspace_memory_region)
-#define KVM_SET_TSS_ADDR          _IO(KVMIO, 0x47)
-#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
+#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
+#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
 /* Device model IOC */
-#define KVM_CREATE_IRQCHIP        _IO(KVMIO,  0x60)
-#define KVM_IRQ_LINE              _IOW(KVMIO, 0x61, struct kvm_irq_level)
-#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
-#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
-#define KVM_CREATE_PIT            _IO(KVMIO,  0x64)
-#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
-#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
-#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
+#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
+#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
+#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
+#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
+#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
+#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
+#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
+#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
 #define KVM_REGISTER_COALESCED_MMIO \
                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
 #define KVM_UNREGISTER_COALESCED_MMIO \
                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
-#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
-                                   struct kvm_assigned_pci_dev)
-#define KVM_SET_GSI_ROUTING       _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
+#define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
+                                       struct kvm_assigned_pci_dev)
+#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
-#define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \
-                            struct kvm_assigned_irq)
-#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
-#define KVM_REINJECT_CONTROL      _IO(KVMIO, 0x71)
-#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
-                                     struct kvm_assigned_pci_dev)
-#define KVM_ASSIGN_SET_MSIX_NR \
-                        _IOW(KVMIO, 0x73, struct kvm_assigned_msix_nr)
-#define KVM_ASSIGN_SET_MSIX_ENTRY \
-                        _IOW(KVMIO, 0x74, struct kvm_assigned_msix_entry)
-#define KVM_DEASSIGN_DEV_IRQ       _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
-#define KVM_IRQFD                  _IOW(KVMIO, 0x76, struct kvm_irqfd)
-#define KVM_CREATE_PIT2            _IOW(KVMIO, 0x77, struct kvm_pit_config)
-#define KVM_SET_BOOT_CPU_ID        _IO(KVMIO, 0x78)
-#define KVM_IOEVENTFD             _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
+#define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
+#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
+#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
+#define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
+                                       struct kvm_assigned_pci_dev)
+#define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
+                                       struct kvm_assigned_msix_nr)
+#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
+                                       struct kvm_assigned_msix_entry)
+#define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
+#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
+#define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
+#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
+#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
+#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
+#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
+#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
+/* Available with KVM_CAP_PIT_STATE2 */
+#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
+#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
 
 /*
  * ioctls for vcpu fds
@@ -558,7 +641,7 @@ struct kvm_irqfd {
 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
-#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_DEBUG_GUEST
+#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
@@ -570,7 +653,7 @@ struct kvm_irqfd {
 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
 /* Available with KVM_CAP_VAPIC */
-#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO,  0x92, struct kvm_tpr_access_ctl)
+#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
 /* Available with KVM_CAP_VAPIC */
 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
@@ -582,66 +665,23 @@ struct kvm_irqfd {
 /* initial ipl psw for s390 */
 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
 /* initial reset for s390 */
-#define KVM_S390_INITIAL_RESET    _IO(KVMIO,  0x97)
+#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
 /* Available with KVM_CAP_NMI */
-#define KVM_NMI                   _IO(KVMIO,  0x9a)
+#define KVM_NMI                   _IO(KVMIO,   0x9a)
 /* Available with KVM_CAP_SET_GUEST_DEBUG */
 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
 /* MCE for x86 */
 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
-
-/*
- * Deprecated interfaces
- */
-struct kvm_breakpoint {
-        __u32 enabled;
-        __u32 padding;
-        __u64 address;
-};
-
-struct kvm_debug_guest {
-        __u32 enabled;
-        __u32 pad;
-        struct kvm_breakpoint breakpoints[4];
-        __u32 singlestep;
-};
-
-#define __KVM_DEPRECATED_DEBUG_GUEST _IOW(KVMIO,  0x87, struct kvm_debug_guest)
-
+/* IA64 stack access */
 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
-
-#define KVM_GET_PIT2   _IOR(KVMIO,   0x9f, struct kvm_pit_state2)
-#define KVM_SET_PIT2   _IOW(KVMIO,   0xa0, struct kvm_pit_state2)
-
-#define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
-#define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
-#define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
-#define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
-#define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
-#define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
-#define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
-#define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
-#define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
-#define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
-#define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
-#define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
-#define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
-#define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
-#define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
-#define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
-#define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
-#define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
-#define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
-#define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
-#define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
-#define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
-#define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
-#define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
+/* Available with KVM_CAP_VCPU_EVENTS */
+#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
+#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 
@@ -696,4 +736,4 @@ struct kvm_assigned_msix_entry {
         __u16 padding[3];
 };
 
-#endif
+#endif /* __LINUX_KVM_H */
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index b7bbb5ddd7ae..bd5a616d9373 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -120,7 +120,7 @@ struct kvm_kernel_irq_routing_entry {
         u32 gsi;
         u32 type;
         int (*set)(struct kvm_kernel_irq_routing_entry *e,
-                    struct kvm *kvm, int level);
+                   struct kvm *kvm, int irq_source_id, int level);
         union {
                 struct {
                         unsigned irqchip;
@@ -128,9 +128,28 @@ struct kvm_kernel_irq_routing_entry {
                 } irqchip;
                 struct msi_msg msi;
         };
-        struct list_head link;
+        struct hlist_node link;
+};
+
+#ifdef __KVM_HAVE_IOAPIC
+
+struct kvm_irq_routing_table {
+        int chip[KVM_NR_IRQCHIPS][KVM_IOAPIC_NUM_PINS];
+        struct kvm_kernel_irq_routing_entry *rt_entries;
+        u32 nr_rt_entries;
+        /*
+         * Array indexed by gsi. Each entry contains list of irq chips
+         * the gsi is connected to.
+         */
+        struct hlist_head map[0];
 };
 
+#else
+
+struct kvm_irq_routing_table {};
+
+#endif
+
 struct kvm {
         spinlock_t mmu_lock;
         spinlock_t requests_lock;
@@ -166,8 +185,9 @@ struct kvm {
 
         struct mutex irq_lock;
 #ifdef CONFIG_HAVE_KVM_IRQCHIP
-        struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */
+        struct kvm_irq_routing_table *irq_routing;
         struct hlist_head mask_notifier_list;
+        struct hlist_head irq_ack_notifier_list;
 #endif
 
 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER
@@ -266,6 +286,7 @@ int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
 
 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
+void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu);
 void kvm_resched(struct kvm_vcpu *vcpu);
 void kvm_load_guest_fpu(struct kvm_vcpu *vcpu);
 void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
@@ -325,7 +346,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);
 
 int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu);
-void kvm_arch_hardware_enable(void *garbage);
+int kvm_arch_hardware_enable(void *garbage);
 void kvm_arch_hardware_disable(void *garbage);
 int kvm_arch_hardware_setup(void);
 void kvm_arch_hardware_unsetup(void);
@@ -390,7 +411,12 @@ void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
                                       struct kvm_irq_mask_notifier *kimn);
 void kvm_fire_mask_notifiers(struct kvm *kvm, int irq, bool mask);
 
-int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
+#ifdef __KVM_HAVE_IOAPIC
+void kvm_get_intr_delivery_bitmask(struct kvm_ioapic *ioapic,
+                                   union kvm_ioapic_redirect_entry *entry,
+                                   unsigned long *deliver_bitmask);
+#endif
+int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level);
 void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
 void kvm_register_irq_ack_notifier(struct kvm *kvm,
                                    struct kvm_irq_ack_notifier *kian);
@@ -552,4 +578,21 @@ static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu)
         return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id;
 }
 #endif
+
+#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
+
+long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
+                                  unsigned long arg);
+
+#else
+
+static inline long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
+                                                unsigned long arg)
+{
+        return -ENOTTY;
+}
+
 #endif
+
+#endif
+
diff --git a/include/linux/user-return-notifier.h b/include/linux/user-return-notifier.h
new file mode 100644
index 000000000000..9c4a445bb43c
--- /dev/null
+++ b/include/linux/user-return-notifier.h
@@ -0,0 +1,49 @@
+#ifndef _LINUX_USER_RETURN_NOTIFIER_H
+#define _LINUX_USER_RETURN_NOTIFIER_H
+
+#ifdef CONFIG_USER_RETURN_NOTIFIER
+
+#include <linux/list.h>
+#include <linux/sched.h>
+
+struct user_return_notifier {
+        void (*on_user_return)(struct user_return_notifier *urn);
+        struct hlist_node link;
+};
+
+
+void user_return_notifier_register(struct user_return_notifier *urn);
+void user_return_notifier_unregister(struct user_return_notifier *urn);
+
+static inline void propagate_user_return_notify(struct task_struct *prev,
+                                                struct task_struct *next)
+{
+        if (test_tsk_thread_flag(prev, TIF_USER_RETURN_NOTIFY)) {
+                clear_tsk_thread_flag(prev, TIF_USER_RETURN_NOTIFY);
+                set_tsk_thread_flag(next, TIF_USER_RETURN_NOTIFY);
+        }
+}
+
+void fire_user_return_notifiers(void);
+
+static inline void clear_user_return_notifier(struct task_struct *p)
+{
+        clear_tsk_thread_flag(p, TIF_USER_RETURN_NOTIFY);
+}
+
+#else
+
+struct user_return_notifier {};
+
+static inline void propagate_user_return_notify(struct task_struct *prev,
+                                                struct task_struct *next)
+{
+}
+
+static inline void fire_user_return_notifiers(void) {}
+
+static inline void clear_user_return_notifier(struct task_struct *p) {}
+
+#endif
+
+#endif