From: David Hildenbrand Date: Mon, 16 Nov 2015 15:17:45 +0000 (+0100) Subject: KVM: s390: read the correct opcode on SIE faults X-Git-Tag: MMI-PSA29.97-13-9~8348^2^2~20 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=659773227506f7b971cfd52e1aa146c896405187;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git KVM: s390: read the correct opcode on SIE faults Let's use our fresh new function read_guest_instr() to access guest storage via the correct addressing schema. Reviewed-by: Christian Borntraeger Signed-off-by: David Hildenbrand Signed-off-by: Christian Borntraeger --- diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 85e169b8e90d..aa51a8d5179f 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2163,7 +2163,6 @@ static int vcpu_pre_run(struct kvm_vcpu *vcpu) static int vcpu_post_run_fault_in_sie(struct kvm_vcpu *vcpu) { - psw_t *psw = &vcpu->arch.sie_block->gpsw; u8 opcode; int rc; @@ -2178,7 +2177,7 @@ static int vcpu_post_run_fault_in_sie(struct kvm_vcpu *vcpu) * to look up the current opcode to get the length of the instruction * to be able to forward the PSW. */ - rc = read_guest(vcpu, psw->addr, 0, &opcode, 1); + rc = read_guest_instr(vcpu, &opcode, 1); if (rc) return kvm_s390_inject_prog_cond(vcpu, rc); kvm_s390_forward_psw(vcpu, insn_length(opcode));