linux-kernel - Re: [PATCH 10/16] KVM: x86/tdp_mmu: Support TDX private mapping for TDP MMU

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Date: Tue, 28 May 2024 18:59:32 +0200
From: Paolo Bonzini <pbonzini@...hat.com>
To: "Huang, Kai" <kai.huang@...el.com>
Cc: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>, 
	"Yamahata, Isaku" <isaku.yamahata@...el.com>, "dmatlack@...gle.com" <dmatlack@...gle.com>, 
	"seanjc@...gle.com" <seanjc@...gle.com>, "sagis@...gle.com" <sagis@...gle.com>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Zhao, Yan Y" <yan.y.zhao@...el.com>, 
	"Aktas, Erdem" <erdemaktas@...gle.com>, "kvm@...r.kernel.org" <kvm@...r.kernel.org>, 
	"isaku.yamahata@...il.com" <isaku.yamahata@...il.com>
Subject: Re: [PATCH 10/16] KVM: x86/tdp_mmu: Support TDX private mapping for
 TDP MMU

On Thu, May 16, 2024 at 4:11 AM Huang, Kai <kai.huang@...el.com> wrote:
>
>
> >>>> +       gfn_t raw_gfn;
> >>>> +       bool is_private = fault->is_private && kvm_gfn_shared_mask(kvm);
> >>>
> >>> Ditto.  I wish we can have 'has_mirrored_private_pt'.
> >>
> >> Which name do you prefer? has_mirrored_pt or has_mirrored_private_pt?
> >
> > Why not helpers that wrap vm_type like:
> > https://lore.kernel.org/kvm/d4c96caffd2633a70a140861d91794cdb54c7655.camel@intel.com/
>
> I am fine with any of them -- boolean (with either name) or helper.

Helpers are fine.

Paolo