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authorChristian Borntraeger <borntraeger@de.ibm.com>2016-06-07 10:57:08 +0300
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-10 13:07:26 +0300
commit1bb78d161feae5b613c80eb822059eec60d2a538 (patch)
tree1877fcaee456751a105e50c9eed94bbe2efea2c1 /arch/s390/kvm/diag.c
parentf597d24eee2dd9486edaac7a1821f35bc4d349c2 (diff)
downloadlinux-1bb78d161feae5b613c80eb822059eec60d2a538.tar.xz
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 <borntraeger@de.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/diag.c')
-rw-r--r--arch/s390/kvm/diag.c5
1 files changed, 5 insertions, 0 deletions
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)