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X-CSE-ConnectionGUID: j1IkVUC2RfO0Ve0yxMxEnA== X-CSE-MsgGUID: cfjthHtgQFmIcIRjErehhQ== X-IronPort-AV: E=McAfee;i="6800,10657,11895"; a="76489796" X-IronPort-AV: E=Sophos;i="6.25,260,1779174000"; d="scan'208";a="76489796" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2026 08:28:06 -0700 X-CSE-ConnectionGUID: 1ISXpykuSamd01jef0+d/g== X-CSE-MsgGUID: 93JJjnqgQh++RpnwdNsPHQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,260,1779174000"; d="scan'208";a="275038381" Received: from jmaxwel1-mobl.amr.corp.intel.com (HELO [10.125.110.172]) ([10.125.110.172]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2026 08:28:06 -0700 Message-ID: <4e36d1bc-6dd2-43fd-9adb-fc65910ded3b@intel.com> Date: Thu, 3 Sep 2026 08:28:05 -0700 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 03/11] x86/virt/tdx: Add __tdx_pamt_get/put() helpers To: Rick Edgecombe , bp@alien8.de, hpa@zytor.com, kas@kernel.org, kvm@vger.kernel.org, linux-coco@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, nik.borisov@suse.com, pbonzini@redhat.com, seanjc@google.com, tglx@kernel.org, vannapurve@google.com, x86@kernel.org, chao.gao@intel.com, yan.y.zhao@intel.com, kai.huang@intel.com, tony.lindgren@linux.intel.com, binbin.wu@intel.com, sohil.mehta@intel.com Cc: Hongyu Ning , Binbin Wu References: <20260903015113.93343-1-rick.p.edgecombe@intel.com> <20260903015113.93343-4-rick.p.edgecombe@intel.com> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/2/26 18:51, Rick Edgecombe wrote: > Create __tdx_pamt_get/put() to handle installing DPAMT 4KB backing for > pages that are already allocated (such as KVM's use of S-EPT page tables > or guest private memory). Have them take a pfn instead of a struct page, > as future changes will want to use these helpers for guest pages which are > tracked by PFN. Looks fine with the v10 changes: Reviewed-by: Dave Hansen