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| author |   Fan Zhang <zhangfan@linux.vnet.ibm.com> | 2016-08-15 04:53:22 +0200 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2016-09-08 13:40:39 +0200 |
| commit | 80cd8763388b52fa9129cbb4b57a3615a55afd40 (patch) | |
| tree | b3182213435cbe8c3a321c6ed6d8817dc5a4b251 /arch/s390/kvm/interrupt.c | |
| parent | KVM: s390: gaccess: simplify translation exception handling (diff) | |
| download | linux-dev-80cd8763388b52fa9129cbb4b57a3615a55afd40.tar.xz linux-dev-80cd8763388b52fa9129cbb4b57a3615a55afd40.zip | |
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>
Diffstat (limited to 'arch/s390/kvm/interrupt.c')
0 files changed, 0 insertions, 0 deletions