linux-kernel - Re: [PATCH v5 02/16] x86: Raise minimum GCC version to 8.1

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: <20250114162556.GBZ4aQFOP1Sw6Sqsd5@fat_crate.local>
Date: Tue, 14 Jan 2025 17:25:56 +0100
From: Borislav Petkov <bp@...en8.de>
To: Brian Gerst <brgerst@...il.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
	Ingo Molnar <mingo@...nel.org>, "H . Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ard Biesheuvel <ardb@...nel.org>, Uros Bizjak <ubizjak@...il.com>
Subject: Re: [PATCH v5 02/16] x86: Raise minimum GCC version to 8.1

On Tue, Nov 05, 2024 at 10:57:47AM -0500, Brian Gerst wrote:
> Stack protector support on 64-bit currently requires that the percpu
> section is linked at absolute address 0 because older compilers fixed
> the location of the canary value relative to the GS segment base.
> GCC 8.1 introduced options to change where the canary value is located,
> allowing it to be configured as a standard percpu variable.  This has
> already been done for 32-bit.  Doing the same for 64-bit will enable
> removing the code needed to suport zero-based percpu.

Unknown word [suport] in commit message.
Suggestions: ['support'...

Spellchecker please.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette