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Commit 15e8b5da authored by Christian Borntraeger's avatar Christian Borntraeger
Browse files

KVM: s390: Improve vcpu event debugging for diagnoses 



Let's add a vcpu event for the page reference handling and change
the default debugging level for the ipl diagnose. Both are not
frequent AND change the global state, so lets log them always.

Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 175a5c9e

arch/s390/kvm/diag.c

+3 −1
Original line number Diff line number Diff line
@@ -75,6 +75,8 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) 
	u16 rx = (vcpu->arch.sie_block->ipa & 0xf0) >> 4;

	u16 ry = (vcpu->arch.sie_block->ipa & 0x0f);



	VCPU_EVENT(vcpu, 3, "diag page reference parameter block at 0x%llx",

		   vcpu->run->s.regs.gprs[rx]);

	vcpu->stat.diagnose_258++;

	if (vcpu->run->s.regs.gprs[rx] & 7)

		return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
@@ -175,7 +177,7 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu) 
	unsigned int reg = vcpu->arch.sie_block->ipa & 0xf;

	unsigned long subcode = vcpu->run->s.regs.gprs[reg] & 0xffff;



	VCPU_EVENT(vcpu, 5, "diag ipl functions, subcode %lx", subcode);

	VCPU_EVENT(vcpu, 3, "diag ipl functions, subcode %lx", subcode);

	vcpu->stat.diagnose_308++;

	switch (subcode) {

	case 3: