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authorSean Christopherson <sean.j.christopherson@intel.com>2019-01-14 23:12:02 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2019-01-25 20:52:54 +0300
commit85ba2b165d11029c0c57a58640d4cf41f9d9fa0d (patch)
tree6e19e1bc2451d7a7c61686452315e2809594d3c4
parent5cc244a20b86090c087073c124284381cdf47234 (diff)
downloadlinux-85ba2b165d11029c0c57a58640d4cf41f9d9fa0d.tar.xz
KVM: VMX: Use the correct field var when clearing VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL
Fix a recently introduced bug that results in the wrong VMCS control field being updated when applying a IA32_PERF_GLOBAL_CTRL errata. Fixes: c73da3fcab43 ("KVM: VMX: Properly handle dynamic VM Entry/Exit controls") Reported-by: Harald Arnesen <harald@skogtun.org> Tested-by: Harald Arnesen <harald@skogtun.org> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--arch/x86/kvm/vmx/vmx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index f6915f10e584..0762fcab8fc9 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -2344,7 +2344,7 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf,
case 37: /* AAT100 */
case 44: /* BC86,AAY89,BD102 */
case 46: /* BA97 */
- _vmexit_control &= ~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL;
+ _vmentry_control &= ~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL;
_vmexit_control &= ~VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL;
pr_warn_once("kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL "
"does not work properly. Using workaround\n");