Commit f78e627a authored by Namhyung Kim's avatar Namhyung Kim Committed by Paolo Bonzini
Browse files

KVM: VMX: Fix a wrong MSR update in add_atomic_switch_msr() 



The previous change had a bug to update a guest MSR with a host value.

Fixes: c3d6a721 ("KVM: VMX: Dedup code for adding MSR to VMCS's auto list")
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Reviewed-by: default avatarDapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://patch.msgid.link/20260220220216.389475-1-namhyung@kernel.org


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent a5264387

arch/x86/kvm/vmx/vmx.c

+1 −1
Original line number Diff line number Diff line
@@ -1149,7 +1149,7 @@ static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr, 
	}



	vmx_add_auto_msr(&m->guest, msr, guest_val, VM_ENTRY_MSR_LOAD_COUNT, kvm);

	vmx_add_auto_msr(&m->guest, msr, host_val, VM_EXIT_MSR_LOAD_COUNT, kvm);

	vmx_add_auto_msr(&m->host, msr, host_val, VM_EXIT_MSR_LOAD_COUNT, kvm);

}



static bool update_transition_efer(struct vcpu_vmx *vmx)