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Commit 1bb78d16 authored by Christian Borntraeger's avatar Christian Borntraeger
Browse files

KVM: s390: provide logging for diagnose 0x500 



We might need to debug some virtio things, so better have diagnose 500
logged.

Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Acked-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
parent f597d24e

arch/s390/kvm/diag.c

+5 −0
Original line number Diff line number Diff line
@@ -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)