KVM: kvm-io: support cookies
authorCornelia Huck <cornelia.huck@de.ibm.com>
Wed, 3 Jul 2013 14:30:53 +0000 (16:30 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 18 Jul 2013 10:29:23 +0000 (12:29 +0200)
commit126a5af520eff9b99a0bb1ca4bb4a0b7973f7d5a
tree74084d4e3bb3526c132f58b0ca8b9c98065452b9
parent1c118b8226922d225a7df4127926ed2a2d73baaf
KVM: kvm-io: support cookies

Add new functions kvm_io_bus_{read,write}_cookie() that allows users of
the kvm io infrastructure to use a cookie value to speed up lookup of a
device on an io bus.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
include/linux/kvm_host.h
virt/kvm/kvm_main.c