linux-kernel - Re: [RFC][PATCH 09/34] x86/cpu: Introduce address configuration structure

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Date: Wed, 28 Feb 2024 09:29:05 -0800
From: Dave Hansen <dave.hansen@...el.com>
To: "Huang, Kai" <kai.huang@...el.com>,
 Dave Hansen <dave.hansen@...ux.intel.com>, linux-kernel@...r.kernel.org
Cc: kirill.shutemov@...ux.intel.com, pbonzini@...hat.com, tglx@...utronix.de,
 x86@...nel.org, bp@...en8.de
Subject: Re: [RFC][PATCH 09/34] x86/cpu: Introduce address configuration
 structure

On 2/27/24 15:47, Huang, Kai wrote:
> From the above description, ...
> 
>> +struct x86_addr_config bsp_addr_config;
>> +
> 
> ... this can be __ro_after_init?
> 
> Maybe I am missing something, but if it cannot be annotated with
> __ro_after_init here, IMHO it would be helpful to call out in the
> changelog.

It can actually be full on __init .. eventually.  It goes *AWAY* after boot.

I'll add a note in the changelog why it can't be until later in the series.