linux-kernel - Re: [PATCH] PCI: limit pci bridge and subsystem speed to 2.5GT/s

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: <ZrDsdA3-uUJV8VdK@casper.infradead.org>
Date: Mon, 5 Aug 2024 16:15:00 +0100
From: Matthew Wilcox <willy@...radead.org>
To: 412574090@....com
Cc: corbet@....net, bhelgaas@...gle.com, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	xiongxin@...inos.cn, weiyufeng <weiyufeng@...inos.cn>
Subject: Re: [PATCH] PCI: limit pci bridge and subsystem speed to 2.5GT/s

On Mon, Aug 05, 2024 at 05:20:10PM +0800, 412574090@....com wrote:
> From: weiyufeng <weiyufeng@...inos.cn>
> 
> Add a kernel command-line option 'speed2_5g' to limit pci bridge
> and subsystem devices speed to 2.5GT/s. As a debug method, this
> provide for developer to temporarily slow down PCIe devices for
> verification.

I am opposed to this patch benig merged.  There's no harm to keep it for
your own testing.