linux-kernel - Re: [PATCH] X86/PCI: Prioritize MMCFG access to hardware registers

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: <20251223163524.GA4022428@bhelgaas>
Date: Tue, 23 Dec 2025 10:35:24 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Yang Zhang <zhangz@...on.cn>
Cc: tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
	dave.hansen@...ux.intel.com, hpa@...or.com, bhelgaas@...gle.com,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH] X86/PCI: Prioritize MMCFG access to hardware registers

On Tue, Dec 16, 2025 at 07:15:13PM +0800, Yang Zhang wrote:
> As CPU performance demands increase, the configuration of some internal CPU
> registers needs to be dynamically configured in the program, such as

This looks like a v2 (but it's not labeled as such and there's no
indication of what changed) and posted only an hour after v1.  Don't
do this.  Often there will be other reviews in a few days, so it's
better to wait and address all the comments at once.  Updates once or
*maybe* twice a week is plenty.

Bjorn