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charset=UTF-8 Content-Transfer-Encoding: 7bit On 1/16/26 11:59, Sean Christopherson wrote: > The SEAMCALL itself. I'm saying that TDH_MEM_PAGE_AUG is really just the S-EPT > version of "make this PTE PRESENT", and that piling on sanity checks that aren't > fundamental to TDX shouldn't be done when KVM is writing PTEs. > > In other words, something like this is totally fine: > > KVM_MMU_WARN_ON(!tdx_is_convertible_pfn(pfn)); > > but this is not: > > WARN_ON_ONCE(!page_mapping(pfn_to_page(pfn))); OK, I think I've got a better idea what you're aiming for. I think that's totally doable going forward.