diff options
Diffstat (limited to 'drivers/kvm/kvm_main.c')
| -rw-r--r-- | drivers/kvm/kvm_main.c | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index b6b8a41b5ec8..fd1bb870545c 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -72,18 +72,7 @@ static struct dentry *debugfs_dir; #define CR8_RESEVED_BITS (~0x0fULL) #define EFER_RESERVED_BITS 0xfffffffffffff2fe -struct vmx_msr_entry *find_msr_entry(struct kvm_vcpu *vcpu, u32 msr) -{ - int i; - - for (i = 0; i < vcpu->nmsrs; ++i) - if (vcpu->guest_msrs[i].index == msr) - return &vcpu->guest_msrs[i]; - return 0; -} -EXPORT_SYMBOL_GPL(find_msr_entry); - -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 // LDT or TSS descriptor in the GDT. 16 bytes. struct segment_descriptor_64 { struct segment_descriptor s; @@ -115,7 +104,7 @@ unsigned long segment_base(u16 selector) } d = (struct segment_descriptor *)(table_base + (selector & ~7)); v = d->base_low | ((ul)d->base_mid << 16) | ((ul)d->base_high << 24); -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 if (d->system == 0 && (d->type == 2 || d->type == 9 || d->type == 11)) v |= ((ul)((struct segment_descriptor_64 *)d)->base_higher) << 32; @@ -216,7 +205,6 @@ static struct kvm_vcpu *vcpu_load(struct kvm *kvm, int vcpu_slot) static void vcpu_put(struct kvm_vcpu *vcpu) { kvm_arch_ops->vcpu_put(vcpu); - put_cpu(); mutex_unlock(&vcpu->mutex); } @@ -351,7 +339,7 @@ void set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) } if (!is_paging(vcpu) && (cr0 & CR0_PG_MASK)) { -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 if ((vcpu->shadow_efer & EFER_LME)) { int cs_db, cs_l; @@ -1120,12 +1108,10 @@ static int get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) return kvm_arch_ops->get_msr(vcpu, msr_index, pdata); } -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 void set_efer(struct kvm_vcpu *vcpu, u64 efer) { - struct vmx_msr_entry *msr; - if (efer & EFER_RESERVED_BITS) { printk(KERN_DEBUG "set_efer: 0x%llx #GP, reserved bits\n", efer); @@ -1140,16 +1126,12 @@ void set_efer(struct kvm_vcpu *vcpu, u64 efer) return; } + kvm_arch_ops->set_efer(vcpu, efer); + efer &= ~EFER_LMA; efer |= vcpu->shadow_efer & EFER_LMA; vcpu->shadow_efer = efer; - - msr = find_msr_entry(vcpu, MSR_EFER); - - if (!(efer & EFER_LMA)) - efer &= ~EFER_LME; - msr->data = efer; } EXPORT_SYMBOL_GPL(set_efer); @@ -1243,7 +1225,7 @@ static int kvm_dev_ioctl_get_regs(struct kvm *kvm, struct kvm_regs *regs) regs->rdi = vcpu->regs[VCPU_REGS_RDI]; regs->rsp = vcpu->regs[VCPU_REGS_RSP]; regs->rbp = vcpu->regs[VCPU_REGS_RBP]; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 regs->r8 = vcpu->regs[VCPU_REGS_R8]; regs->r9 = vcpu->regs[VCPU_REGS_R9]; regs->r10 = vcpu->regs[VCPU_REGS_R10]; @@ -1287,7 +1269,7 @@ static int kvm_dev_ioctl_set_regs(struct kvm *kvm, struct kvm_regs *regs) vcpu->regs[VCPU_REGS_RDI] = regs->rdi; vcpu->regs[VCPU_REGS_RSP] = regs->rsp; vcpu->regs[VCPU_REGS_RBP] = regs->rbp; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 vcpu->regs[VCPU_REGS_R8] = regs->r8; vcpu->regs[VCPU_REGS_R9] = regs->r9; vcpu->regs[VCPU_REGS_R10] = regs->r10; @@ -1401,7 +1383,7 @@ static int kvm_dev_ioctl_set_sregs(struct kvm *kvm, struct kvm_sregs *sregs) vcpu->cr8 = sregs->cr8; mmu_reset_needed |= vcpu->shadow_efer != sregs->efer; -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 kvm_arch_ops->set_efer(vcpu, sregs->efer); #endif vcpu->apic_base = sregs->apic_base; @@ -1434,7 +1416,7 @@ static int kvm_dev_ioctl_set_sregs(struct kvm *kvm, struct kvm_sregs *sregs) static u32 msrs_to_save[] = { MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP, MSR_K6_STAR, -#ifdef __x86_64__ +#ifdef CONFIG_X86_64 MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, #endif MSR_IA32_TIME_STAMP_COUNTER, |