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| author |   Christian Borntraeger <borntraeger@de.ibm.com> | 2017-02-09 17:15:41 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2017-03-16 13:04:37 +0100 |
| commit | 4d5f2c04c8a462a1c7ad3fdc138515c84fa65379 (patch) | |
| tree | fe729f9b00a8d6e705a3c79775d33b7a9d9bfb63 /arch/s390/kvm/priv.c | |
| parent | Linux 4.11-rc2 (diff) | |
| download | linux-dev-4d5f2c04c8a462a1c7ad3fdc138515c84fa65379.tar.xz linux-dev-4d5f2c04c8a462a1c7ad3fdc138515c84fa65379.zip | |
KVM: s390: log runtime instrumentation enablement
We handle runtime instrumentation enablement either lazy or via
sync_regs on migration. Make sure to add a debug log entry for that
per CPU on the first occurrence.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/priv.c')
| -rw-r--r-- | arch/s390/kvm/priv.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 64b6a309f2c4..93d6cde8c3ea 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -37,6 +37,7 @@ static int handle_ri(struct kvm_vcpu *vcpu) { if (test_kvm_facility(vcpu->kvm, 64)) { + VCPU_EVENT(vcpu, 3, "%s", "ENABLE: RI (lazy)"); vcpu->arch.sie_block->ecb3 |= 0x01; kvm_s390_retry_instr(vcpu); return 0; |