LoongArch: KVM: Add msgint registers in kvm_init_gcsr_flag()

Add flag HW_GCSR with msgint registers in function kvm_init_gcsr_flag().

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

diff --git a/arch/loongarch/kvm/main.c b/arch/loongarch/kvm/main.c
index 80ea63d465b8ea44b224171f096e8644bd9124b6..f3211fc447fd08ece5dd097648ca919401760aec 100644 (file)
--- a/arch/loongarch/kvm/main.c
+++ b/arch/loongarch/kvm/main.c
@@ -192,6 +192,13 @@ static void kvm_init_gcsr_flag(void)
        set_gcsr_sw_flag(LOONGARCH_CSR_PERFCNTR2);
        set_gcsr_sw_flag(LOONGARCH_CSR_PERFCTRL3);
        set_gcsr_sw_flag(LOONGARCH_CSR_PERFCNTR3);
+
+       if (cpu_has_msgint) {
+               set_gcsr_hw_flag(LOONGARCH_CSR_ISR0);
+               set_gcsr_hw_flag(LOONGARCH_CSR_ISR1);
+               set_gcsr_hw_flag(LOONGARCH_CSR_ISR2);
+               set_gcsr_hw_flag(LOONGARCH_CSR_ISR3);
+       }
 }
 
 static void kvm_update_vpid(struct kvm_vcpu *vcpu, int cpu)