diff options
| author | Bibo Mao <maobibo@loongson.cn> | 2026-02-06 09:27:47 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2026-02-06 09:27:47 +0800 |
| commit | b1388a9598fbe77b193cbb8368eed46e982212c5 (patch) | |
| tree | 0cdab9c5ed5a57632e48cb4c9576c59d09464b04 /arch | |
| parent | 37da26e0e8396def86ff4ca70ece0a5f5619dbd4 (diff) | |
LoongArch: KVM: Move LBT capability check in exception handler
Like FPU exception handler, check LBT capability in the LBT exception
handler rather than function kvm_own_lbt().
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/loongarch/kvm/exit.c | 4 | ||||
| -rw-r--r-- | arch/loongarch/kvm/vcpu.c | 3 |
2 files changed, 3 insertions, 4 deletions
diff --git a/arch/loongarch/kvm/exit.c b/arch/loongarch/kvm/exit.c index 74b427287e96..65ec10a7245a 100644 --- a/arch/loongarch/kvm/exit.c +++ b/arch/loongarch/kvm/exit.c @@ -820,8 +820,10 @@ static int kvm_handle_lasx_disabled(struct kvm_vcpu *vcpu, int ecode) static int kvm_handle_lbt_disabled(struct kvm_vcpu *vcpu, int ecode) { - if (kvm_own_lbt(vcpu)) + if (!kvm_guest_has_lbt(&vcpu->arch)) kvm_queue_exception(vcpu, EXCCODE_INE, 0); + else + kvm_own_lbt(vcpu); return RESUME_GUEST; } diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c index 53d720a15617..07c427a5e156 100644 --- a/arch/loongarch/kvm/vcpu.c +++ b/arch/loongarch/kvm/vcpu.c @@ -1304,9 +1304,6 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) #ifdef CONFIG_CPU_HAS_LBT int kvm_own_lbt(struct kvm_vcpu *vcpu) { - if (!kvm_guest_has_lbt(&vcpu->arch)) - return -EINVAL; - preempt_disable(); if (!(vcpu->arch.aux_inuse & KVM_LARCH_LBT)) { set_csr_euen(CSR_EUEN_LBTEN); |