On Tue, Nov 30, 2021, Maciej S. Szmigiero wrote: > From: "Maciej S. Szmigiero" <maciej.szmigiero@xxxxxxxxxx> > > There is no need to copy the whole memslot data after releasing > slots_arch_lock for a moment to install temporary memslots copy in > kvm_set_memslot() since this lock only protects the arch field of each > memslot. > > Just resync this particular field after reacquiring slots_arch_lock. > > Note, this also eliminates the need to manually clear the INVALID flag > when restoring memslots; the "setting" of the INVALID flag was an > unwanted side effect of copying the entire memslots. > > Since kvm_copy_memslots() has just one caller remaining now > open-code it instead. > > Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@xxxxxxxxxx> > [sean: tweak shortlog, note INVALID flag in changelog, revert comment] > Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> Heh, I think you can drop my SoB? This is new territory for me, I don't know the rules for this particular situation. Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>