linux-kernel - Re: [PATCH 2/3] x86/acpi: Replace manual page table initialization with kernel_ident_mapping

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Message-ID: <846ad46e6a843a9fa5a07acb6bbfda64fab07875.camel@intel.com>
Date: Wed, 3 Jul 2024 10:23:04 +0000
From: "Huang, Kai" <kai.huang@...el.com>
To: "luto@...nel.org" <luto@...nel.org>, "rafael@...nel.org"
	<rafael@...nel.org>, "dave.hansen@...ux.intel.com"
	<dave.hansen@...ux.intel.com>, "bp@...en8.de" <bp@...en8.de>,
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	<hpa@...or.com>, "mingo@...hat.com" <mingo@...hat.com>,
	"kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
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	"x86@...nel.org" <x86@...nel.org>
CC: "thomas.lendacky@....com" <thomas.lendacky@....com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"ardb@...nel.org" <ardb@...nel.org>, "seanjc@...gle.com" <seanjc@...gle.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"tzimmermann@...e.de" <tzimmermann@...e.de>
Subject: Re: [PATCH 2/3] x86/acpi: Replace manual page table initialization
 with kernel_ident_mapping_init()

On Mon, 2024-07-01 at 15:43 +0300, Kirill A. Shutemov wrote:
> The function init_transition_pgtable() maps the page with
> asm_acpi_mp_play_dead() into an identity mapping.
> 
> Replace manual page table initialization with kernel_ident_mapping_init()
> to avoid code duplicatiion. 
> 

duplicatiion -> duplication.


> Use x86_mapping_info::offset to get the page
> is mapped at the correct location.

I don't think the "is" is needed.  Just "... get the page mapped at ...".

> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

Reviewed-by: Kai Huang <kai.huang@...el.com>