Re: [PATCH v2 3/4] KVM: x86/mmu: Factor out tdp_iter_return_to_root

On Mon, Mar 15, 2021, Ben Gardon wrote: > In tdp_mmu_iter_cond_resched there is a call to tdp_iter_start which > causes the iterator to continue its walk over the paging structure from > the root. This is needed after a yield as paging structure could have > been freed in the interim. > > The

[PATCH v2 3/4] KVM: x86/mmu: Factor out tdp_iter_return_to_root

In tdp_mmu_iter_cond_resched there is a call to tdp_iter_start which causes the iterator to continue its walk over the paging structure from the root. This is needed after a yield as paging structure could have been freed in the interim. The tdp_iter_start call is not very clear and something of