| commit | 80cd8763388b52fa9129cbb4b57a3615a55afd40 | [log] [tgz] |
|---|---|---|
| author | Fan Zhang <zhangfan@linux.vnet.ibm.com> | Mon Aug 15 04:53:22 2016 +0200 |
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | Thu Sep 08 13:40:39 2016 +0200 |
| tree | b3182213435cbe8c3a321c6ed6d8817dc5a4b251 | |
| parent | c14b88d76624e02b9895914b85b9d8b2c984563c [diff] |
KVM: s390: lazy enable RI Only enable runtime instrumentation if the guest issues an RI related instruction or if userspace changes the riccb to a valid state. This makes entry/exit a tiny bit faster. Initial patch by Christian Borntraeger Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>