Since Pause-Loop Exiting is not supported by LoongArch hardware, nor pv spinlock feature is not supported, function kvm_vcpu_on_spin() is not used. Function kvm_arch_vcpu_preempted_in_kernel() is defined as stub function here since it is only called by unused function kvm_vcpu_on_spin(). Signed-off-by: Bibo Mao <maobibo@xxxxxxxxxxx> --- arch/loongarch/kvm/vcpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c index 20f941af3e9e..3318a55a0699 100644 --- a/arch/loongarch/kvm/vcpu.c +++ b/arch/loongarch/kvm/vcpu.c @@ -364,6 +364,11 @@ bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) return false; } +bool kvm_arch_vcpu_preempted_in_kernel(struct kvm_vcpu *vcpu) +{ + return false; +} + vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) { return VM_FAULT_SIGBUS; -- 2.39.3