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

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Message-ID: <91444be8576ac220fb66cd8546697912988c4a87.camel@intel.com>
Date: Mon, 20 May 2024 19:02:23 +0000
From: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To: "Huang, Kai" <kai.huang@...el.com>, "Yamahata, Isaku"
	<isaku.yamahata@...el.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"seanjc@...gle.com" <seanjc@...gle.com>, "sagis@...gle.com"
	<sagis@...gle.com>, "isaku.yamahata@...ux.intel.com"
	<isaku.yamahata@...ux.intel.com>, "isaku.yamahata@...il.com"
	<isaku.yamahata@...il.com>, "Zhao, Yan Y" <yan.y.zhao@...el.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>, "dmatlack@...gle.com"
	<dmatlack@...gle.com>, "pbonzini@...hat.com" <pbonzini@...hat.com>, "Aktas,
 Erdem" <erdemaktas@...gle.com>
Subject: Re: [PATCH 10/16] KVM: x86/tdp_mmu: Support TDX private mapping for
 TDP MMU

On Mon, 2024-05-20 at 11:58 -0700, Isaku Yamahata wrote:
> For hook names, we can use mirrored_private or reflect or handle?
> (or whatever better name)
> 
> The current hook names
>   {link, free}_private_spt(),
>   {set, remove, zap}_private_spte()
> 
> =>
>   # use mirrored_private
>   {link, free}_mirrored_private_spt(),
>   {set, remove, zap}_mirrored_private_spte()
> 
>   or 
>   # use reflect (update or handle?) mirrored to private
>   reflect_{linked, freeed}_mirrored_spt(),
>   reflect_{set, removed, zapped}_mirrored_spte()

reflect is a nice name. I'm trying this path right now. I'll share a branch.

> 
>   or 
>   # Don't add anything.  I think this would be confusing. 
>   {link, free}_spt(),
>   {set, remove, zap}_spte()