linux-kernel - Re: [PATCH 0/4, v3] Physical PCI slot objects

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:	Tue, 20 Nov 2007 02:04:02 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Gary Hade <garyhade@...ibm.com>
Cc:	Alex Chiang <achiang@...com>, Matthew Wilcox <matthew@....cx>,
	gregkh@...e.de, kristen.c.accardi@...el.com, lenb@...nel.org,
	rick.jones2@...com, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz, kaneshige.kenji@...fujitsu.com,
	pcihpd-discuss@...ts.sourceforge.net, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 0/4, v3] Physical PCI slot objects

On Mon, Nov 19, 2007 at 03:32:25PM -0800, Gary Hade wrote:

> Alex, What I was trying to suggest is a boot-time kernel option, 
> not a kernel configuration option.  The basic idea is to give
> the user (with a single binary kernel) the ability to include
> your ACPI-PCI slot driver feature changes only when they are
> really needed.  In addition to reducing the number of
> system/PCI hotplug driver combinations where your changes
> would need to be validated, I believe would also help 
> alleviate other worries (e.g. Andi Kleen's memory consumption
> concern).  I believe this goal could also be achieved with the
> kernel config option by making the pci_slot module runtime
> loadable with the PCI hotplug drivers only visiting your new
> code when the pci_slot driver is loaded, although I think this
> would be more difficult to implement.

If we're compiling something into the kernel, the default behaviour 
should be for the functionality to be turned on unless the user 
overrides it.

-- 
Matthew Garrett | mjg59@...f.ucam.org
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/