linux-kernel - Re: [PATCHv3 4/4] x86/64/kexec: Rewrite init_transition_pgtable() with kernel_ident_mapping

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <9138b3b3c792b599ec9840adebcf736394236842.camel@intel.com>
Date: Tue, 20 Aug 2024 11:53:27 +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>,
	"peterz@...radead.org" <peterz@...radead.org>, "hpa@...or.com"
	<hpa@...or.com>, "mingo@...hat.com" <mingo@...hat.com>,
	"kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>, "bhe@...hat.com" <bhe@...hat.com>,
	"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: [PATCHv3 4/4] x86/64/kexec: Rewrite init_transition_pgtable()
 with kernel_ident_mapping_init()

On Mon, 2024-08-19 at 10:08 +0300, Kirill A. Shutemov wrote:
> init_transition_pgtable() sets up transitional page tables. Rewrite it
> using kernel_ident_mapping_init() to avoid code duplication.
> 
> Change struct kimage_arch to track allocated page tables as a list, not
> linking them to specific page table levels.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Reviewed-by: Tom Lendacky <thomas.lendacky@....com>
> 

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