diff options
| -rw-r--r-- | arch/riscv/kvm/vcpu_onereg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index 81cb6b2784db..989ea32dbcbe 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -482,6 +482,9 @@ static int riscv_vcpu_set_isa_ext_single(struct kvm_vcpu *vcpu, if (!__riscv_isa_extension_available(NULL, host_isa_ext)) return -ENOENT; + if (reg_val == test_bit(host_isa_ext, vcpu->arch.isa)) + return 0; + if (!vcpu->arch.ran_atleast_once) { /* * All multi-letter extension and a few single letter |