From: Heiko Carstens <heiko.carstens@xxxxxxxxxx> Convert pfault code to new guest access functions. Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx> Reviewed-by: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- arch/s390/kvm/diag.c | 9 ++++----- arch/s390/kvm/kvm-s390.c | 5 +++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index ff768f1..5521ace 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -64,12 +64,12 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) int rc; u16 rx = (vcpu->arch.sie_block->ipa & 0xf0) >> 4; u16 ry = (vcpu->arch.sie_block->ipa & 0x0f); - unsigned long hva_token = KVM_HVA_ERR_BAD; if (vcpu->run->s.regs.gprs[rx] & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - if (copy_from_guest(vcpu, &parm, vcpu->run->s.regs.gprs[rx], sizeof(parm))) - return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); + rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm)); + if (rc) + return kvm_s390_inject_prog_cond(vcpu, rc); if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); @@ -89,8 +89,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) parm.token_addr & 7 || parm.zarch != 0x8000000000000000ULL) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - hva_token = gfn_to_hva(vcpu->kvm, gpa_to_gfn(parm.token_addr)); - if (kvm_is_error_hva(hva_token)) + if (kvm_is_error_gpa(vcpu->kvm, parm.token_addr)) return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); vcpu->arch.pfault_token = parm.token_addr; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index e1dfe24..6cee19c 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1058,8 +1058,9 @@ static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu) if (!vcpu->arch.gmap->pfault_enabled) return 0; - hva = gmap_fault(current->thread.gmap_addr, vcpu->arch.gmap); - if (copy_from_guest(vcpu, &arch.pfault_token, vcpu->arch.pfault_token, 8)) + hva = gfn_to_hva(vcpu->kvm, gpa_to_gfn(current->thread.gmap_addr)); + hva += current->thread.gmap_addr & ~PAGE_MASK; + if (read_guest_real(vcpu, vcpu->arch.pfault_token, &arch.pfault_token, 8)) return 0; rc = kvm_setup_async_pf(vcpu, current->thread.gmap_addr, hva, &arch); -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
