linux-kernel - Re: [PATCH v2 05/21] x86/virt/seamldr: Introduce a wrapper for P-SEAMLDR SEAMCALLs

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Message-ID: <aWi/8A7vWBx062TT@intel.com>
Date: Thu, 15 Jan 2026 18:22:40 +0800
From: Chao Gao <chao.gao@...el.com>
To: "Duan, Zhenzhong" <zhenzhong.duan@...el.com>
CC: <linux-coco@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
	<x86@...nel.org>, <reinette.chatre@...el.com>, <ira.weiny@...el.com>,
	<kai.huang@...el.com>, <dan.j.williams@...el.com>,
	<yilun.xu@...ux.intel.com>, <sagis@...gle.com>, <vannapurve@...gle.com>,
	<paulmck@...nel.org>, <nik.borisov@...e.com>, Farrah Chen
	<farrah.chen@...el.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar
	<mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave Hansen
	<dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>, "Kirill A.
 Shutemov" <kas@...nel.org>
Subject: Re: [PATCH v2 05/21] x86/virt/seamldr: Introduce a wrapper for
 P-SEAMLDR SEAMCALLs

>> diff --git a/arch/x86/virt/vmx/tdx/Makefile b/arch/x86/virt/vmx/tdx/Makefile
>> index 90da47eb85ee..26aea3531c36 100644
>> --- a/arch/x86/virt/vmx/tdx/Makefile
>> +++ b/arch/x86/virt/vmx/tdx/Makefile
>> @@ -1,2 +1,3 @@
>>   # SPDX-License-Identifier: GPL-2.0-only
>>   obj-y += seamcall.o tdx.o
>> +obj-$(CONFIG_INTEL_TDX_MODULE_UPDATE) += seamldr.o
>
>Not clear if seamldr will support other features besides TDX module update,
>
>if yes, maybe more general name CONFIG_INTEL_SEAMLDR?

Currently, no other features. So, CONFIG_INTEL_TDX_MODULE_UPDATE should be
good for now. If some new feature emerges, we can add CONFIG_INTEL_SEAMLDR and
make CONFIG_INTEL_TDX_MODULE_UPDATE and new features select it.