From 1bb78d161feae5b613c80eb822059eec60d2a538 Mon Sep 17 00:00:00 2001 From: Christian Borntraeger Date: Tue, 7 Jun 2016 09:57:08 +0200 Subject: [PATCH] KVM: s390: provide logging for diagnose 0x500 We might need to debug some virtio things, so better have diagnose 500 logged. Signed-off-by: Christian Borntraeger Acked-by: Cornelia Huck --- arch/s390/kvm/diag.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 1ea4095b67d7..ce865bd4f81d 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -212,6 +212,11 @@ static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu) (vcpu->run->s.regs.gprs[1] != KVM_S390_VIRTIO_CCW_NOTIFY)) return -EOPNOTSUPP; + VCPU_EVENT(vcpu, 4, "diag 0x500 schid 0x%8.8x queue 0x%x cookie 0x%llx", + (u32) vcpu->run->s.regs.gprs[2], + (u32) vcpu->run->s.regs.gprs[3], + vcpu->run->s.regs.gprs[4]); + /* * The layout is as follows: * - gpr 2 contains the subchannel id (passed as addr) -- 2.20.1