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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2018-02-23 07:57:33 +0000 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2018-03-14 19:21:11 +0000 |
| commit | a5e0acea9ed644d622281a4a8fde94a2e24ec7e8 (patch) | |
| tree | b95edc129c05fca067662d141115fc6c9317dd4c /arch/s390/kvm | |
| parent | 5c2b4d5b78144dfe3e8769b52ae89f34d0efe3af (diff) | |
| download | op-kernel-dev-a5e0acea9ed644d622281a4a8fde94a2e24ec7e8.zip op-kernel-dev-a5e0acea9ed644d622281a4a8fde94a2e24ec7e8.tar.gz | |
KVM: s390: add exit io request stats and simplify code
We want to count IO exit requests in kvm_stat. At the same time
we can get rid of the handle_noop function.
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm')
| -rw-r--r-- | arch/s390/kvm/intercept.c | 17 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 1 |
2 files changed, 5 insertions, 13 deletions
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index 07c6e81..a389fa8 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -50,18 +50,6 @@ u8 kvm_s390_get_ilen(struct kvm_vcpu *vcpu) return ilen; } -static int handle_noop(struct kvm_vcpu *vcpu) -{ - switch (vcpu->arch.sie_block->icptcode) { - case 0x10: - vcpu->stat.exit_external_request++; - break; - default: - break; /* nothing */ - } - return 0; -} - static int handle_stop(struct kvm_vcpu *vcpu) { struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; @@ -465,8 +453,11 @@ int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu) switch (vcpu->arch.sie_block->icptcode) { case ICPT_EXTREQ: + vcpu->stat.exit_external_request++; + return 0; case ICPT_IOREQ: - return handle_noop(vcpu); + vcpu->stat.exit_io_request++; + return 0; case ICPT_INST: rc = handle_instruction(vcpu); break; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 957be1c..41adcfe 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -64,6 +64,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "exit_validity", VCPU_STAT(exit_validity) }, { "exit_stop_request", VCPU_STAT(exit_stop_request) }, { "exit_external_request", VCPU_STAT(exit_external_request) }, + { "exit_io_request", VCPU_STAT(exit_io_request) }, { "exit_external_interrupt", VCPU_STAT(exit_external_interrupt) }, { "exit_instruction", VCPU_STAT(exit_instruction) }, { "exit_pei", VCPU_STAT(exit_pei) }, |
