diff options
Diffstat (limited to 'arch/arm64/kvm/reset.c')
| -rw-r--r-- | arch/arm64/kvm/reset.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index 426bd7fbc3fd..c7a0249df840 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -94,6 +94,8 @@ static int kvm_vcpu_finalize_sve(struct kvm_vcpu *vcpu) { void *buf; unsigned int vl; + size_t reg_sz; + int ret; vl = vcpu->arch.sve_max_vl; @@ -106,10 +108,17 @@ static int kvm_vcpu_finalize_sve(struct kvm_vcpu *vcpu) vl > SVE_VL_ARCH_MAX)) return -EIO; - buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL_ACCOUNT); + reg_sz = vcpu_sve_state_size(vcpu); + buf = kzalloc(reg_sz, GFP_KERNEL_ACCOUNT); if (!buf) return -ENOMEM; + ret = create_hyp_mappings(buf, buf + reg_sz, PAGE_HYP); + if (ret) { + kfree(buf); + return ret; + } + vcpu->arch.sve_state = buf; vcpu->arch.flags |= KVM_ARM64_VCPU_SVE_FINALIZED; return 0; |