linux-kernel - Re: [RFC PATCH v5 03/45] KVM: TDX: Account all non-transient page allocations for per-TD structures

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Message-ID: <fd2a286aec5fc94d0ccfa8c13819b322b5b52aa1.camel@intel.com>
Date: Tue, 3 Feb 2026 10:36:14 +0000
From: "Huang, Kai" <kai.huang@...el.com>
To: "seanjc@...gle.com" <seanjc@...gle.com>, "x86@...nel.org"
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CC: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>, "ackerleytng@...gle.com"
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Subject: Re: [RFC PATCH v5 03/45] KVM: TDX: Account all non-transient page
 allocations for per-TD structures

On Wed, 2026-01-28 at 17:14 -0800, Sean Christopherson wrote:
> Account all non-transient allocations associated with a single TD (or its
> vCPUs), as KVM's ABI is that allocations that are active for the lifetime
> of a VM are accounted.  Leave temporary allocations, i.e. allocations that
> are freed within a single function/ioctl, unaccounted, to again align with
> KVM's existing behavior, e.g. see commit dd103407ca31 ("KVM: X86: Remove
> unnecessary GFP_KERNEL_ACCOUNT for temporary variables").
> 
> Fixes: 8d032b683c29 ("KVM: TDX: create/destroy VM structure")
> Fixes: a50f673f25e0 ("KVM: TDX: Do TDX specific vcpu initialization")
> Cc: stable@...r.kernel.org
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> 

Reviewed-by: Kai Huang <kai.huang@...el.com>