linux-kernel - Re: [PATCH v5 07/20] x86/mce: Reorder __mcheck_cpu_init

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: <20250902171457.GA273005@yaz-khff2.amd.com>
Date: Tue, 2 Sep 2025 13:14:57 -0400
From: Yazen Ghannam <yazen.ghannam@....com>
To: Borislav Petkov <bp@...en8.de>
Cc: x86@...nel.org, Tony Luck <tony.luck@...el.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
	Smita.KoralahalliChannabasappa@....com,
	Qiuxu Zhuo <qiuxu.zhuo@...el.com>,
	Nikolay Borisov <nik.borisov@...e.com>, linux-acpi@...r.kernel.org
Subject: Re: [PATCH v5 07/20] x86/mce: Reorder __mcheck_cpu_init_generic()
 call

On Tue, Sep 02, 2025 at 06:26:57PM +0200, Borislav Petkov wrote:
> On Tue, Sep 02, 2025 at 09:30:15AM -0400, Yazen Ghannam wrote:
> > Moving CR4.MCE last should be okay, but deciding when to do MCG_CTL
> > needs some more thought. Maybe we can have an early call for Intel and
> > a late call for AMD?
> 
> I'd say move only the CR4 write and leave everything else as-is. It has worked
> fine until now. Unless someone comes hands-a-waving that we need to fix it all
> of a sudden...
> 

Okay, will do.

Thanks,
Yazen