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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-29 12:53:58 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-29 12:53:58 +0200 |
| commit | 554726d33c20791653dbd1c047c83f93459bc586 (patch) | |
| tree | 422a4fa2cd8bed59bed081722d86e6af37db18a2 /arch/s390/kvm/diag.c | |
| parent | 5492830370171b6a4ede8a3bfba687a8d0f25fa5 (diff) | |
| parent | c92ea7b9f7d256cabf7ee08a7627a5227e356dec (diff) | |
Merge tag 'kvm-s390-next-20150728' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-next
KVM: s390: Fixes and features for kvm/next (4.3)
1. Rework logging infrastructure (s390dbf) to integrate feedback learned
when debugging performance and test issues
2. Some cleanups and simplifications for CMMA handling
3. Fix gdb debugging and single stepping on some instructions
4. Error handling for storage key setup
Diffstat (limited to 'arch/s390/kvm/diag.c')
| -rw-r--r-- | arch/s390/kvm/diag.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index fc7ec95848c3..5fbfb88f8477 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -27,13 +27,13 @@ static int diag_release_pages(struct kvm_vcpu *vcpu) start = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; end = vcpu->run->s.regs.gprs[vcpu->arch.sie_block->ipa & 0xf] + 4096; + vcpu->stat.diagnose_10++; if (start & ~PAGE_MASK || end & ~PAGE_MASK || start >= end || start < 2 * PAGE_SIZE) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); VCPU_EVENT(vcpu, 5, "diag release pages %lX %lX", start, end); - vcpu->stat.diagnose_10++; /* * We checked for start >= end above, so lets check for the @@ -75,6 +75,9 @@ 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); rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm)); @@ -85,6 +88,9 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) switch (parm.subcode) { case 0: /* TOKEN */ + VCPU_EVENT(vcpu, 3, "pageref token addr 0x%llx " + "select mask 0x%llx compare mask 0x%llx", + parm.token_addr, parm.select_mask, parm.compare_mask); if (vcpu->arch.pfault_token != KVM_S390_PFAULT_TOKEN_INVALID) { /* * If the pagefault handshake is already activated, @@ -114,6 +120,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) * the cancel, therefore to reduce code complexity, we assume * all outstanding tokens are already pending. */ + VCPU_EVENT(vcpu, 3, "pageref cancel addr 0x%llx", parm.token_addr); if (parm.token_addr || parm.select_mask || parm.compare_mask || parm.zarch) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); @@ -174,7 +181,8 @@ 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: vcpu->run->s390_reset_flags = KVM_S390_RESET_CLEAR; @@ -202,6 +210,7 @@ static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu) { int ret; + vcpu->stat.diagnose_500++; /* No virtio-ccw notification? Get out quickly. */ if (!vcpu->kvm->arch.css_support || (vcpu->run->s.regs.gprs[1] != KVM_S390_VIRTIO_CCW_NOTIFY)) |