Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

[pandora-kernel.git] / arch / s390 / kvm / kvm-s390.c

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index dc2b580..9610ba4 100644 (file)
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -46,6 +46,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
        { "instruction_lctlg", VCPU_STAT(instruction_lctlg) },
        { "instruction_lctl", VCPU_STAT(instruction_lctl) },
        { "deliver_emergency_signal", VCPU_STAT(deliver_emergency_signal) },
+       { "deliver_external_call", VCPU_STAT(deliver_external_call) },
        { "deliver_service_signal", VCPU_STAT(deliver_service_signal) },
        { "deliver_virtio_interrupt", VCPU_STAT(deliver_virtio_interrupt) },
        { "deliver_stop_signal", VCPU_STAT(deliver_stop_signal) },
@@ -64,6 +65,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
        { "instruction_stfl", VCPU_STAT(instruction_stfl) },
        { "instruction_tprot", VCPU_STAT(instruction_tprot) },
        { "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) },
+       { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) },
        { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) },
        { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) },
        { "instruction_sigp_set_arch", VCPU_STAT(instruction_sigp_arch) },
@@ -175,6 +177,8 @@ int kvm_arch_init_vm(struct kvm *kvm)
        if (rc)
                goto out_err;
 
+       rc = -ENOMEM;
+
        kvm->arch.sca = (struct sca_block *) get_zeroed_page(GFP_KERNEL);
        if (!kvm->arch.sca)
                goto out_err;
@@ -312,11 +316,17 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
                                      unsigned int id)
 {
-       struct kvm_vcpu *vcpu = kzalloc(sizeof(struct kvm_vcpu), GFP_KERNEL);
-       int rc = -ENOMEM;
+       struct kvm_vcpu *vcpu;
+       int rc = -EINVAL;
+
+       if (id >= KVM_MAX_VCPUS)
+               goto out;
 
+       rc = -ENOMEM;
+
+       vcpu = kzalloc(sizeof(struct kvm_vcpu), GFP_KERNEL);
        if (!vcpu)
-               goto out_nomem;
+               goto out;
 
        vcpu->arch.sie_block = (struct kvm_s390_sie_block *)
                                        get_zeroed_page(GFP_KERNEL);
@@ -352,7 +362,7 @@ out_free_sie_block:
        free_page((unsigned long)(vcpu->arch.sie_block));
 out_free_cpu:
        kfree(vcpu);
-out_nomem:
+out:
        return ERR_PTR(rc);
 }
 
@@ -386,6 +396,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 {
        memcpy(&vcpu->arch.guest_acrs, &sregs->acrs, sizeof(sregs->acrs));
        memcpy(&vcpu->arch.sie_block->gcr, &sregs->crs, sizeof(sregs->crs));
+       restore_access_regs(vcpu->arch.guest_acrs);
        return 0;
 }
 
@@ -401,6 +412,7 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 {
        memcpy(&vcpu->arch.guest_fpregs.fprs, &fpu->fprs, sizeof(fpu->fprs));
        vcpu->arch.guest_fpregs.fpc = fpu->fpc;
+       restore_fp_regs(&vcpu->arch.guest_fpregs);
        return 0;
 }