diff options
Diffstat (limited to 'arch/riscv/kvm/vcpu_sbi_base.c')
| -rw-r--r-- | arch/riscv/kvm/vcpu_sbi_base.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/riscv/kvm/vcpu_sbi_base.c b/arch/riscv/kvm/vcpu_sbi_base.c index 5d65c634d301..66398065a6a6 100644 --- a/arch/riscv/kvm/vcpu_sbi_base.c +++ b/arch/riscv/kvm/vcpu_sbi_base.c @@ -19,6 +19,7 @@ static int kvm_sbi_ext_base_handler(struct kvm_vcpu *vcpu, struct kvm_run *run, { int ret = 0; struct kvm_cpu_context *cp = &vcpu->arch.guest_context; + const struct kvm_vcpu_sbi_extension *sbi_ext; switch (cp->a6) { case SBI_EXT_BASE_GET_SPEC_VERSION: @@ -43,8 +44,11 @@ static int kvm_sbi_ext_base_handler(struct kvm_vcpu *vcpu, struct kvm_run *run, */ kvm_riscv_vcpu_sbi_forward(vcpu, run); *exit = true; - } else - *out_val = kvm_vcpu_sbi_find_ext(cp->a0) ? 1 : 0; + } else { + sbi_ext = kvm_vcpu_sbi_find_ext(cp->a0); + *out_val = sbi_ext && sbi_ext->probe ? + sbi_ext->probe(vcpu) : !!sbi_ext; + } break; case SBI_EXT_BASE_GET_MVENDORID: *out_val = vcpu->arch.mvendorid; |