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Diffstat (limited to 'arch/riscv/kvm/vcpu_sbi_replace.c')
-rw-r--r--arch/riscv/kvm/vcpu_sbi_replace.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/riscv/kvm/vcpu_sbi_replace.c b/arch/riscv/kvm/vcpu_sbi_replace.c
index 4c034d8a606a..1b8b3fa5f74a 100644
--- a/arch/riscv/kvm/vcpu_sbi_replace.c
+++ b/arch/riscv/kvm/vcpu_sbi_replace.c
@@ -91,14 +91,14 @@ static int kvm_sbi_ext_rfence_handler(struct kvm_vcpu *vcpu, struct kvm_run *run
kvm_riscv_fence_i(vcpu->kvm, hbase, hmask);
break;
case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA:
- if (cp->a2 == 0 && cp->a3 == 0)
+ if ((cp->a2 == 0 && cp->a3 == 0) || cp->a3 == -1UL)
kvm_riscv_hfence_vvma_all(vcpu->kvm, hbase, hmask);
else
kvm_riscv_hfence_vvma_gva(vcpu->kvm, hbase, hmask,
cp->a2, cp->a3, PAGE_SHIFT);
break;
case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID:
- if (cp->a2 == 0 && cp->a3 == 0)
+ if ((cp->a2 == 0 && cp->a3 == 0) || cp->a3 == -1UL)
kvm_riscv_hfence_vvma_asid_all(vcpu->kvm,
hbase, hmask, cp->a4);
else
@@ -113,9 +113,9 @@ static int kvm_sbi_ext_rfence_handler(struct kvm_vcpu *vcpu, struct kvm_run *run
case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID:
/*
* Until nested virtualization is implemented, the
- * SBI HFENCE calls should be treated as NOPs
+ * SBI HFENCE calls should return not supported
+ * hence fallthrough.
*/
- break;
default:
ret = -EOPNOTSUPP;
}