From: Vitaly Kuznetsov Date: Wed, 26 May 2021 13:20:17 +0000 (+0200) Subject: KVM: nVMX: Don't set 'dirty_vmcs12' flag on enlightened VMPTRLD X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=6a789ca5d5038a60f51c374067fd9abab13df596;p=uclinux-h8%2Flinux.git KVM: nVMX: Don't set 'dirty_vmcs12' flag on enlightened VMPTRLD 'dirty_vmcs12' is only checked in prepare_vmcs02_early()/prepare_vmcs02() and both checks look like: 'vmx->nested.dirty_vmcs12 || evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)' so for eVMCS case the flag changes nothing. Drop the assignment to avoid the confusion. No functional change intended. Reported-by: Maxim Levitsky Signed-off-by: Vitaly Kuznetsov Signed-off-by: Paolo Bonzini Message-Id: <20210526132026.270394-3-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 84d9a8d569bb..dbee5479103f 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2021,7 +2021,6 @@ static enum nested_evmptrld_status nested_vmx_handle_enlightened_vmptrld( return EVMPTRLD_VMFAIL; } - vmx->nested.dirty_vmcs12 = true; vmx->nested.hv_evmcs_vmptr = evmcs_gpa; evmcs_gpa_changed = true;