On (21/06/04 09:24), Paolo Bonzini wrote: > On 04/06/21 09:21, Vitaly Kuznetsov wrote: > > > preempt_notifier_inc(); > > > + kvm_init_pm_notifier(kvm); > > You've probably thought it through and I didn't but wouldn't it be > > easier to have one global pm_notifier call for KVM which would go > > through the list of VMs instead of registering/deregistering a > > pm_notifier call for every created/destroyed VM? > > That raises questions on the locking, i.e. if we can we take the kvm_lock > safely from the notifier. Right, I wanted to take the VM lock, rather than subsystem lock (kvm_lock).
