hv_kvm: support for CPU pinning
hv_kvm: support for CPU pinning

Signed-off-by: Tsachy Shacham <6019a60d58c02d39487b5a5fc19d70cca251111d@google.com>
Signed-off-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>
[acf83a5274f31a43af6b914614365999469c1a31@google.com: fixed some small code and style issues]
Reviewed-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>

ganeti-github-testing/ganeti-test-1,apyrgio/snf-ganeti,ganeti/ganeti,yiannist/ganeti,yiannist/ganeti,bitemyapp/ganeti,leshchevds/ganeti,apyrgio/ganeti,ganeti/ganeti,dimara/ganeti,grnet/snf-ganeti,leshchevds/ganeti,dimara/ganeti,ganeti-github-testing/ganeti-test-1,apyrgio/ganeti,onponomarev/ganeti,grnet/snf-ganeti,apyrgio/snf-ganeti,leshchevds/ganeti,andir/ganeti,mbakke/ganeti,ganeti/ganeti,mbakke/ganeti,andir/ganeti,onponomarev/ganeti,yiannist/ganeti,andir/ganeti,bitemyapp/ganeti,mbakke/ganeti