diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 5e7be150466411be852d473cf79c66c25fd5a4a5..96d9c7da14c246d711ae1d700ba435993f7b79d0 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -495,7 +495,7 @@ void vcpu_put(struct kvm_vcpu *vcpu); void decache_vcpus_on_cpu(int cpu); -int kvm_init(struct kvm_x86_ops *ops, unsigned int vcpu_size, +int kvm_init(void *opaque, unsigned int vcpu_size, struct module *module); void kvm_exit(void); @@ -649,7 +649,8 @@ int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg); int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); -__init void kvm_arch_init(void); +int kvm_arch_init(void *opaque); +void kvm_arch_exit(void); int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu); diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 2b3736e7483ceedb37fa7d07b4a1e4d77b91e67b..e0f20d02028177fa7a68412440c584ec05df2d47 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -1434,7 +1434,7 @@ static void kvm_sched_out(struct preempt_notifier *pn, kvm_arch_vcpu_put(vcpu); } -int kvm_init(struct kvm_x86_ops *ops, unsigned int vcpu_size, +int kvm_init(void *opaque, unsigned int vcpu_size, struct module *module) { int r; @@ -1446,7 +1446,9 @@ int kvm_init(struct kvm_x86_ops *ops, unsigned int vcpu_size, kvm_init_debug(); - kvm_arch_init(); + r = kvm_arch_init(opaque); + if (r) + goto out4; bad_page = alloc_page(GFP_KERNEL | __GFP_ZERO); @@ -1455,22 +1457,6 @@ int kvm_init(struct kvm_x86_ops *ops, unsigned int vcpu_size, goto out; } - if (kvm_x86_ops) { - printk(KERN_ERR "kvm: already loaded the other module\n"); - return -EEXIST; - } - - if (!ops->cpu_has_kvm_support()) { - printk(KERN_ERR "kvm: no hardware support\n"); - return -EOPNOTSUPP; - } - if (ops->disabled_by_bios()) { - printk(KERN_ERR "kvm: disabled by bios\n"); - return -EOPNOTSUPP; - } - - kvm_x86_ops = ops; - r = kvm_arch_hardware_setup(); if (r < 0) goto out; @@ -1534,7 +1520,7 @@ int kvm_init(struct kvm_x86_ops *ops, unsigned int vcpu_size, out_free_0: kvm_arch_hardware_unsetup(); out: - kvm_x86_ops = NULL; + kvm_arch_exit(); kvm_exit_debug(); kvm_mmu_module_exit(); out4: @@ -1552,7 +1538,7 @@ void kvm_exit(void) unregister_cpu_notifier(&kvm_cpu_notifier); on_each_cpu(hardware_disable, NULL, 0, 1); kvm_arch_hardware_unsetup(); - kvm_x86_ops = NULL; + kvm_arch_exit(); kvm_exit_debug(); __free_page(bad_page); kvm_mmu_module_exit(); diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c index 4902b35060f5bff642b3e6938f0a3bac4b998a48..bbfa810bf8bdfbe1d2be997a0ba76c2c1fa97dc5 100644 --- a/drivers/kvm/x86.c +++ b/drivers/kvm/x86.c @@ -1645,11 +1645,36 @@ int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, } EXPORT_SYMBOL_GPL(kvm_emulate_pio_string); -__init void kvm_arch_init(void) +int kvm_arch_init(void *opaque) { + struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque; + kvm_init_msr_list(); + + if (kvm_x86_ops) { + printk(KERN_ERR "kvm: already loaded the other module\n"); + return -EEXIST; + } + + if (!ops->cpu_has_kvm_support()) { + printk(KERN_ERR "kvm: no hardware support\n"); + return -EOPNOTSUPP; + } + if (ops->disabled_by_bios()) { + printk(KERN_ERR "kvm: disabled by bios\n"); + return -EOPNOTSUPP; + } + + kvm_x86_ops = ops; + + return 0; } +void kvm_arch_exit(void) +{ + kvm_x86_ops = NULL; + } + int kvm_emulate_halt(struct kvm_vcpu *vcpu) { ++vcpu->stat.halt_exits;