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

4 files changed, 10 insertions, 13 deletions

diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h
index 18a7e49abbc5..bc90c75adf67 100644
--- a/arch/ia64/include/asm/kvm.h
+++ b/arch/ia64/include/asm/kvm.h
@@ -60,6 +60,7 @@ struct kvm_ioapic_state {
 #define KVM_IRQCHIP_PIC_MASTER   0
 #define KVM_IRQCHIP_PIC_SLAVE    1
 #define KVM_IRQCHIP_IOAPIC       2
+#define KVM_NR_IRQCHIPS          3
 
 #define KVM_CONTEXT_SIZE        8*1024
 
diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index d9b6325a9328..a362e67e0ca6 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -475,7 +475,6 @@ struct kvm_arch {
         struct list_head assigned_dev_head;
         struct iommu_domain *iommu_domain;
         int iommu_flags;
-        struct hlist_head irq_ack_notifier_list;
 
         unsigned long irq_sources_bitmap;
         unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
index 0bb99b732908..1089b3e918ac 100644
--- a/arch/ia64/kvm/Makefile
+++ b/arch/ia64/kvm/Makefile
@@ -49,7 +49,7 @@ EXTRA_CFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
 EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
 
 common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
-                coalesced_mmio.o irq_comm.o)
+                coalesced_mmio.o irq_comm.o assigned-dev.o)
 
 ifeq ($(CONFIG_IOMMU_API),y)
 common-objs += $(addprefix ../../../virt/kvm/, iommu.o)
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 0ad09f05efa9..5fdeec5fddcf 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -124,7 +124,7 @@ long ia64_pal_vp_create(u64 *vpd, u64 *host_iva, u64 *opt_handler)
 
 static  DEFINE_SPINLOCK(vp_lock);
 
-void kvm_arch_hardware_enable(void *garbage)
+int kvm_arch_hardware_enable(void *garbage)
 {
         long  status;
         long  tmp_base;
@@ -137,7 +137,7 @@ void kvm_arch_hardware_enable(void *garbage)
         slot = ia64_itr_entry(0x3, KVM_VMM_BASE, pte, KVM_VMM_SHIFT);
         local_irq_restore(saved_psr);
         if (slot < 0)
-                return;
+                return -EINVAL;
 
         spin_lock(&vp_lock);
         status = ia64_pal_vp_init_env(kvm_vsa_base ?
@@ -145,7 +145,7 @@ void kvm_arch_hardware_enable(void *garbage)
                         __pa(kvm_vm_buffer), KVM_VM_BUFFER_BASE, &tmp_base);
         if (status != 0) {
                 printk(KERN_WARNING"kvm: Failed to Enable VT Support!!!!\n");
-                return ;
+                return -EINVAL;
         }
 
         if (!kvm_vsa_base) {
@@ -154,6 +154,8 @@ void kvm_arch_hardware_enable(void *garbage)
         }
         spin_unlock(&vp_lock);
         ia64_ptr_entry(0x3, slot);
+
+        return 0;
 }
 
 void kvm_arch_hardware_disable(void *garbage)
@@ -851,8 +853,7 @@ static int kvm_vm_ioctl_get_irqchip(struct kvm *kvm,
         r = 0;
         switch (chip->chip_id) {
         case KVM_IRQCHIP_IOAPIC:
-                memcpy(&chip->chip.ioapic, ioapic_irqchip(kvm),
-                                sizeof(struct kvm_ioapic_state));
+                r = kvm_get_ioapic(kvm, &chip->chip.ioapic);
                 break;
         default:
                 r = -EINVAL;
@@ -868,9 +869,7 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip)
         r = 0;
         switch (chip->chip_id) {
         case KVM_IRQCHIP_IOAPIC:
-                memcpy(ioapic_irqchip(kvm),
-                                &chip->chip.ioapic,
-                                sizeof(struct kvm_ioapic_state));
+                r = kvm_set_ioapic(kvm, &chip->chip.ioapic);
                 break;
         default:
                 r = -EINVAL;
@@ -944,7 +943,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
 {
         struct kvm *kvm = filp->private_data;
         void __user *argp = (void __user *)arg;
-        int r = -EINVAL;
+        int r = -ENOTTY;
 
         switch (ioctl) {
         case KVM_SET_MEMORY_REGION: {
@@ -985,10 +984,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
                         goto out;
                 if (irqchip_in_kernel(kvm)) {
                         __s32 status;
-                        mutex_lock(&kvm->irq_lock);
                         status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
                                     irq_event.irq, irq_event.level);
-                        mutex_unlock(&kvm->irq_lock);
                         if (ioctl == KVM_IRQ_LINE_STATUS) {
                                 irq_event.status = status;
                                 if (copy_to_user(argp, &irq_event,