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KVM: s390: optimize round trip time in request handling
authorChristian Borntraeger <borntraeger@de.ibm.com>
Thu, 16 Apr 2015 14:58:22 +0000 (16:58 +0200)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Fri, 8 May 2015 13:51:12 +0000 (15:51 +0200)
commit19c13b68d472b1a045ad0a29575ae7ed6662cfb3
tree230adb5cebc7fb963f7df9b90f89bb3486467f0ctree | snapshot
parentf86aab1c714dbf400ceee040f054d91919534978commit | diff
KVM: s390: optimize round trip time in request handling

The fast path for a sie exit is that no kvm reqest is pending.
Make an early check to skip all single bit checks.

Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
arch/s390/kvm/kvm-s390.c diff | blob | history
Linux Kernel Source Tree.