[PATCH 5.8 059/177] KVM: nVMX: Fix the update value of nested load IA32_PERF_GLOBAL_CTRL control

From: Greg Kroah-Hartman
Date: Tue Sep 15 2020 - 19:26:13 EST


From: Chenyi Qiang <chenyi.qiang@xxxxxxxxx>

[ Upstream commit c6b177a3beb9140dc0ba05b61c5142fcec5f2bf7 ]

A minor fix for the update of VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL field
in exit_ctls_high.

Fixes: 03a8871add95 ("KVM: nVMX: Expose load IA32_PERF_GLOBAL_CTRL
VM-{Entry,Exit} control")
Signed-off-by: Chenyi Qiang <chenyi.qiang@xxxxxxxxx>
Reviewed-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx>
Message-Id: <20200828085622.8365-5-chenyi.qiang@xxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/x86/kvm/vmx/nested.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 11e4df5600183..a5810928b011f 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -4620,7 +4620,7 @@ void nested_vmx_pmu_entry_exit_ctls_update(struct kvm_vcpu *vcpu)
vmx->nested.msrs.entry_ctls_high &=
~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL;
vmx->nested.msrs.exit_ctls_high &=
- ~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL;
+ ~VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL;
}
}

--
2.25.1