On Thu, Mar 28, 2024 at 04:29:50PM +0800, Binbin Wu <binbin.wu@xxxxxxxxxxxxxxx> wrote: > > > On 2/26/2024 4:26 PM, isaku.yamahata@xxxxxxxxx wrote: > > From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx> > > > > The private GPAs that typically guest memfd backs aren't subject to MMU > > notifier because it isn't mapped into virtual address of user process. > > kvm_tdp_mmu_handle_gfn() handles the callback of the MMU notifier, > > clear_flush_young(), clear_young(), test_young()() and change_pte(). Make > ^ > an extra "()" Will fix it. Thanks. > > kvm_tdp_mmu_handle_gfn() aware of private mapping and skip private mapping. > > > > Even with AS_UNMOVABLE set, those mmu notifier are called. For example, > > ksmd triggers change_pte(). > > The description about the "AS_UNMOVABLE", you are refering to shared memory, > right? > Then, it seems not related to the change of this patch. Ok, will remove this sentence. -- Isaku Yamahata <isaku.yamahata@xxxxxxxxx>