Re: [PATCH v3 13/17] KVM: x86/tdp_mmu: Support mirror root for TDP MMU

From: Yan Zhao
Date: Thu Jul 11 2024 - 21:44:06 EST


On Fri, Jul 12, 2024 at 07:54:50AM +0800, Edgecombe, Rick P wrote:
> On Tue, 2024-07-09 at 15:38 -0700, Rick Edgecombe wrote:
> > > Could we move them to tdp_mmu.c and rename them to something like
> > > tdp_mmu_type_to_root() and tdp_mmu_fault_to_root() ?
> >
> > tdp_mmu_get_root_for_fault() was proposed by Paolo, and tdp_mmu_get_root() was
> > discussed without comment. Not to say there is anything wrong with the names
> > proposed, but I think this is wading into bikeshedding territory at this
> > stage.
>
> I kept thinking about this comment. On more consideration tdp_mmu_get_root() is
> a problematically terrible name since "get" usually means take a reference to
> something which is something you can do to roots and (and what
> kvm_tdp_mmu_get_root() is doing). So people might think tdp_mmu_get_root() is
> taking a reference.
Right, I have exactly the same feeling to "get".