LoongArch: KVM: Use CSR_CRMD_PLV in kvm_arch_vcpu_in_kernel()

The function reads LOONGARCH_CSR_CRMD but uses CSR_PRMD_PPLV to
extract the privilege level. While both masks have the same value
(0x3), CSR_CRMD_PLV is the semantically correct constant for CRMD.

Cc: stable@vger.kernel.org
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Tao Cui <cuitao@kylinos.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c
index 831f381a8fd1218748e3c969440a19b471f94a3f..ed2cfcd76f60738c2f6afabe00d2a5d033969574 100644 (file)
--- a/arch/loongarch/kvm/vcpu.c
+++ b/arch/loongarch/kvm/vcpu.c
@@ -402,7 +402,7 @@ bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
        val = gcsr_read(LOONGARCH_CSR_CRMD);
        preempt_enable();
 
-       return (val & CSR_PRMD_PPLV) == PLV_KERN;
+       return (val & CSR_CRMD_PLV) == PLV_KERN;
 }
 
 #ifdef CONFIG_GUEST_PERF_EVENTS