linux-kernel - Re: [PATCH v3 3/7] x86/asm-offsets: Export struct cpuinfo

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

Message-ID: <aCWTTEsEsv3NRmgd@gmail.com>
Date: Thu, 15 May 2025 09:10:04 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Brian Gerst <brgerst@...il.com>
Subject: Re: [PATCH v3 3/7] x86/asm-offsets: Export struct cpuinfo_x86 layout
 for asm use


* Ard Biesheuvel <ardb+git@...gle.com> wrote:

> From: Ard Biesheuvel <ardb@...nel.org>
> 
> Expose struct cpuinfo_x86 via asm-offsets for x86_64 too so that it will
> be possible to set CPU capabilities from asm code.

Note that this title and changelog is slightly inaccurate: we don't 
really expose 'struct cpuinfo_x86', only certain fields of it. Most of 
the fields are not exported, only those that are used (or will be used) 
by asm code.

I fixed up the changelog.

Thanks,

	Ingo