| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.17 265/324] kvm: nVMX: Restore exit qual for VM-entry failure due to MSR loading | Date | Thu, 23 Aug 2018 09:55:31 +0200 |
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4.17-stable review patch. If anyone has any objections, please let me know.
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From: Jim Mattson <jmattson@google.com>
[ Upstream commit 0b88abdc3f964c28ec03bc69eb17cb6b3b034564 ]
This exit qualification was inadvertently dropped when the two VM-entry failure blocks were coalesced.
Fixes: e79f245ddec1 ("X86/KVM: Properly update 'tsc_offset' to represent the running guest") Signed-off-by: Jim Mattson <jmattson@google.com> Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/kvm/vmx.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
--- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -11791,7 +11791,6 @@ static int enter_vmx_non_root_mode(struc { struct vcpu_vmx *vmx = to_vmx(vcpu); struct vmcs12 *vmcs12 = get_vmcs12(vcpu); - u32 msr_entry_idx; u32 exit_qual; int r; @@ -11813,10 +11812,10 @@ static int enter_vmx_non_root_mode(struc nested_get_vmcs12_pages(vcpu, vmcs12); r = EXIT_REASON_MSR_LOAD_FAIL; - msr_entry_idx = nested_vmx_load_msr(vcpu, - vmcs12->vm_entry_msr_load_addr, - vmcs12->vm_entry_msr_load_count); - if (msr_entry_idx) + exit_qual = nested_vmx_load_msr(vcpu, + vmcs12->vm_entry_msr_load_addr, + vmcs12->vm_entry_msr_load_count); + if (exit_qual) goto fail; /*
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