linux-kernel - Re: [PATCH 2/5] x86/alternatives: Catch late X86

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]

Date: Wed, 27 Mar 2024 17:57:01 +0200
From: Nikolay Borisov <nik.borisov@...e.com>
To: Borislav Petkov <bp@...en8.de>, X86 ML <x86@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>,
 Ashish Kalra <ashish.kalra@....com>, Joerg Roedel <joro@...tes.org>,
 Michael Roth <michael.roth@....com>, Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCH 2/5] x86/alternatives: Catch late X86_FEATURE modifiers



On 27.03.24 г. 17:43 ч., Borislav Petkov wrote:
> From: "Borislav Petkov (AMD)" <bp@...en8.de>
> 
> After alternatives have been patched, changes to the X86_FEATURE flags
> won't take effect and could potentially even be wrong.
> 
> Warn about it.
> 
> This is something which has been long overdue.
> 
> Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>

nit: While cleaning this bit mind if you also switch 
alternatives_patched to a bool?