linux-kernel - Re: [PATCH v3 08/26] x86/virt/seamldr: Retrieve P-SEAMLDR information

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Message-ID: <aXyybZc1wi1KQmL5@intel.com>
Date: Fri, 30 Jan 2026 21:30:21 +0800
From: Chao Gao <chao.gao@...el.com>
To: Dave Hansen <dave.hansen@...el.com>
CC: <linux-coco@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
	<kvm@...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>, <zhenzhong.duan@...el.com>,
	<seanjc@...gle.com>, <rick.p.edgecombe@...el.com>, <kas@...nel.org>,
	<dave.hansen@...ux.intel.com>, <vishal.l.verma@...el.com>, Farrah Chen
	<farrah.chen@...el.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar
	<mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, "H. Peter Anvin"
	<hpa@...or.com>
Subject: Re: [PATCH v3 08/26] x86/virt/seamldr: Retrieve P-SEAMLDR information

On Wed, Jan 28, 2026 at 03:57:30PM -0800, Dave Hansen wrote:
>On 1/23/26 06:55, Chao Gao wrote:
>> +static struct seamldr_info seamldr_info __aligned(256);
>
>I also wonder if this should be __read_mostly or even read-only after
>boot. Is it ever modified?

This should be __read_mostly. num_remaining_updates changes after successful
updates.