Hi Sean, On Mon, Oct 21, 2019 at 05:35:31PM -0700, Sean Christopherson wrote: > Move memslot deletion into its own routine so that the success path for > other memslot updates does not need to use kvm_free_memslot(), i.e. can > explicitly destroy the dirty bitmap when necessary. This paves the way > for dropping @dont from kvm_free_memslot(), i.e. all callers now pass > NULL for @dont. > > Add a comment above the code to make a copy of the existing memslot > prior to deletion, it is not at all obvious that the pointer will become > stale due sorting and/or installation of new memslots. nit: due to / during > > Note, kvm_arch_commit_memory_region() allows an architecture to free > resources when moving a memslot or changing its flags, i.e. implement > logic similar to the dirty bitmap is handling, if such functionality is nit: s/is handling/handling/ > needed in the future. > > Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Otherwise looks good to me. Acked-by: Christoffer Dall <christoffer.dall@xxxxxxx>