diff options
Diffstat (limited to 'arch/riscv/kvm/vcpu_sbi_v01.c')
| -rw-r--r-- | arch/riscv/kvm/vcpu_sbi_v01.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/arch/riscv/kvm/vcpu_sbi_v01.c b/arch/riscv/kvm/vcpu_sbi_v01.c index da4d6c99c2cf..8a91a14e7139 100644 --- a/arch/riscv/kvm/vcpu_sbi_v01.c +++ b/arch/riscv/kvm/vcpu_sbi_v01.c @@ -23,7 +23,6 @@ static int kvm_sbi_ext_v01_handler(struct kvm_vcpu *vcpu, struct kvm_run *run, int i, ret = 0; u64 next_cycle; struct kvm_vcpu *rvcpu; - struct cpumask cm; struct kvm *kvm = vcpu->kvm; struct kvm_cpu_context *cp = &vcpu->arch.guest_context; @@ -80,19 +79,29 @@ static int kvm_sbi_ext_v01_handler(struct kvm_vcpu *vcpu, struct kvm_run *run, if (utrap->scause) break; - cpumask_clear(&cm); - for_each_set_bit(i, &hmask, BITS_PER_LONG) { - rvcpu = kvm_get_vcpu_by_id(vcpu->kvm, i); - if (rvcpu->cpu < 0) - continue; - cpumask_set_cpu(rvcpu->cpu, &cm); - } if (cp->a7 == SBI_EXT_0_1_REMOTE_FENCE_I) - ret = sbi_remote_fence_i(&cm); - else if (cp->a7 == SBI_EXT_0_1_REMOTE_SFENCE_VMA) - ret = sbi_remote_hfence_vvma(&cm, cp->a1, cp->a2); - else - ret = sbi_remote_hfence_vvma_asid(&cm, cp->a1, cp->a2, cp->a3); + kvm_riscv_fence_i(vcpu->kvm, 0, hmask); + else if (cp->a7 == SBI_EXT_0_1_REMOTE_SFENCE_VMA) { + if (cp->a1 == 0 && cp->a2 == 0) + kvm_riscv_hfence_vvma_all(vcpu->kvm, + 0, hmask); + else + kvm_riscv_hfence_vvma_gva(vcpu->kvm, + 0, hmask, + cp->a1, cp->a2, + PAGE_SHIFT); + } else { + if (cp->a1 == 0 && cp->a2 == 0) + kvm_riscv_hfence_vvma_asid_all(vcpu->kvm, + 0, hmask, + cp->a3); + else + kvm_riscv_hfence_vvma_asid_gva(vcpu->kvm, + 0, hmask, + cp->a1, cp->a2, + PAGE_SHIFT, + cp->a3); + } break; default: ret = -EINVAL; |