linux-kernel - Re: [RFC PATCH v2 03/18] Revert "KVM: x86/tdp_mmu: Add a helper function to walk down the TDP MMU"

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Message-ID: <4a8df01a8dac0d3a880dfbe2439c80fb4138affc.camel@intel.com>
Date: Fri, 29 Aug 2025 19:00:53 +0000
From: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To: "pbonzini@...hat.com" <pbonzini@...hat.com>, "seanjc@...gle.com"
	<seanjc@...gle.com>
CC: "Huang, Kai" <kai.huang@...el.com>, "ackerleytng@...gle.com"
	<ackerleytng@...gle.com>, "Annapurve, Vishal" <vannapurve@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Zhao, Yan Y"
	<yan.y.zhao@...el.com>, "Weiny, Ira" <ira.weiny@...el.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>, "michael.roth@....com"
	<michael.roth@....com>
Subject: Re: [RFC PATCH v2 03/18] Revert "KVM: x86/tdp_mmu: Add a helper
 function to walk down the TDP MMU"

On Thu, 2025-08-28 at 17:06 -0700, Sean Christopherson wrote:
> Remove the helper and exports that were added to allow TDX code to reuse
> kvm_tdp_map_page() for its gmem post-populate flow now that a dedicated
> TDP MMU API is provided to install a mapping given a gfn+pfn pair.
> 
> This reverts commit 2608f105760115e94a03efd9f12f8fbfd1f9af4b.
> 
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>

Reviewed-by: Rick Edgecombe <rick.p.edgecombe@...el.com>