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Diffstat (limited to 'arch/x86/kvm/vmx/nested.c')
-rw-r--r--arch/x86/kvm/vmx/nested.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 8578513907d7..4ff859c99946 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -3527,7 +3527,7 @@ static void vmcs12_save_pending_event(struct kvm_vcpu *vcpu,
}
-static void nested_mark_vmcs12_pages_dirty(struct kvm_vcpu *vcpu)
+void nested_mark_vmcs12_pages_dirty(struct kvm_vcpu *vcpu)
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
gfn_t gfn;
@@ -5543,8 +5543,7 @@ bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
- if (vmx->nested.nested_run_pending)
- return false;
+ WARN_ON_ONCE(vmx->nested.nested_run_pending);
if (unlikely(vmx->fail)) {
trace_kvm_nested_vmenter_failed(
@@ -5553,19 +5552,6 @@ bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
return true;
}
- /*
- * The host physical addresses of some pages of guest memory
- * are loaded into the vmcs02 (e.g. vmcs12's Virtual APIC
- * Page). The CPU may write to these pages via their host
- * physical address while L2 is running, bypassing any
- * address-translation-based dirty tracking (e.g. EPT write
- * protection).
- *
- * Mark them dirty on every exit from L2 to prevent them from
- * getting out of sync with dirty tracking.
- */
- nested_mark_vmcs12_pages_dirty(vcpu);
-
trace_kvm_nested_vmexit(kvm_rip_read(vcpu), exit_reason,
vmcs_readl(EXIT_QUALIFICATION),
vmx->idt_vectoring_info,