[v2,0/2] KVM: nVMX: Fix bugs in MPX VMX controls emulation

Message ID	20180913134741.19469-1-liran.alon@oracle.com (mailing list archive)
Headers	show Return-Path: <kvm-owner@kernel.org> From: Liran Alon <liran.alon@oracle.com> To: pbonzini@redhat.com, rkrcmar@redhat.com, kvm@vger.kernel.org Cc: idan.brown@oracle.com Subject: [PATCH v2 0/2] KVM: nVMX: Fix bugs in MPX VMX controls emulation Date: Thu, 13 Sep 2018 16:47:39 +0300 Message-Id: <20180913134741.19469-1-liran.alon@oracle.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk
Series	KVM: nVMX: Fix bugs in MPX VMX controls emulation \| expand [v2,0/2] KVM: nVMX: Fix bugs in MPX VMX controls emulation [v2,1/2] KVM: nVMX: Do not expose MPX VMX controls when guest MPX disabled [v2,2/2] KVM: nVMX: Fix emulation of VM_ENTRY_LOAD_BNDCFGS

Message ID

20180913134741.19469-1-liran.alon@oracle.com (mailing list archive)

Headers

From: Liran Alon <liran.alon@oracle.com>
To: pbonzini@redhat.com, rkrcmar@redhat.com, kvm@vger.kernel.org
Cc: idan.brown@oracle.com
Subject: [PATCH v2 0/2] KVM: nVMX: Fix bugs in MPX VMX controls emulation
Date: Thu, 13 Sep 2018 16:47:39 +0300
Message-Id: <20180913134741.19469-1-liran.alon@oracle.com>
Sender: kvm-owner@vger.kernel.org
Precedence: bulk

Series

KVM: nVMX: Fix bugs in MPX VMX controls emulation | expand

Message

Liran Alon Sept. 13, 2018, 1:47 p.m. UTC

Hi,

This series aims to fix 2 issues in MPX VMX controls emulation.

The 1st patch makes sure that we don't expose MPX VMX controls to guest
in case vCPU doesn't support MPX (It is not exposed via CPUID).

The 2nd patch fixes an issue in emulation of VM_ENTRY_LOAD_BNDCFGS.

Regards,
-Liran

v1->v2 Changes:
Fixed enter_vmx_non_root_mode() change to not vmcs_read(GUEST_BNDCFGS)
in case !vmx_mpx_supported() (Thanks to Sean J Christopherson)