tree d9d98623e18616a3c7eac0f652a57bd888c5cc70
parent 6e86841d05f371b5b9b86ce76c02aaee83352298
author Andrea Arcangeli <andrea@qumranet.com> 1216995999 +0200
committer Avi Kivity <avi@qumranet.com> 1217324020 +0300

KVM: Allow reading aliases with mmu_lock

This allows the mmu notifier code to run unalias_gfn with only the
mmu_lock held.  Only alias writes need the mmu_lock held. Readers will
either take the slots_lock in read mode or the mmu_lock.

Signed-off-by: Andrea Arcangeli <andrea@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>