diff options
| author | Julian Stecklina <jsteckli@os.inf.tu-dresden.de> | 2012-12-05 15:26:19 +0100 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2012-12-05 18:00:07 +0200 |
| commit | 66f7b72e117180d0007e7a65b8dc5bd1c8126e3b (patch) | |
| tree | 215798d481c12903a48136631ab6978be440ed99 /arch/x86/kvm/x86.c | |
| parent | 2b3c5cbc0d814437fe4d70cc11ed60550b95b29f (diff) | |
KVM: x86: Make register state after reset conform to specification
VMX behaves now as SVM wrt to FPU initialization. Code has been moved to
generic code path. General-purpose registers are now cleared on reset and
INIT. SVM code properly initializes EDX.
Signed-off-by: Julian Stecklina <jsteckli@os.inf.tu-dresden.de>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 3bdaf298b8c7..57c76e86e9bd 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6461,6 +6461,10 @@ static int kvm_vcpu_reset(struct kvm_vcpu *vcpu) kvm_pmu_reset(vcpu); + memset(vcpu->arch.regs, 0, sizeof(vcpu->arch.regs)); + vcpu->arch.regs_avail = ~0; + vcpu->arch.regs_dirty = ~0; + return kvm_x86_ops->vcpu_reset(vcpu); } @@ -6629,11 +6633,17 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, GFP_KERNEL)) goto fail_free_mce_banks; + r = fx_init(vcpu); + if (r) + goto fail_free_wbinvd_dirty_mask; + vcpu->arch.ia32_tsc_adjust_msr = 0x0; kvm_async_pf_hash_reset(vcpu); kvm_pmu_init(vcpu); return 0; +fail_free_wbinvd_dirty_mask: + free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); fail_free_mce_banks: kfree(vcpu->arch.mce_banks); fail_free_lapic: |