From: Luis Chamberlain <mcgrof@kernel.org>
To: Allen Webb <allenwebb@google.com>,
Lucas De Marchi <lucas.demarchi@intel.com>,
Alexey Gladkov <gladkov.alexey@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"linux-modules@vger.kernel.org" <linux-modules@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] modules: add modalias file to sysfs for modules.
Date: Fri, 11 Nov 2022 10:29:05 -0800 [thread overview]
Message-ID: <Y26UcbviRaoK9a3C@bombadil.infradead.org> (raw)
In-Reply-To: <20221111152852.2837363-1-allenwebb@google.com>
On Fri, Nov 11, 2022 at 09:28:52AM -0600, Allen Webb wrote:
> USB devices support the authorized attribute which can be used by
> user-space to implement trust-based systems for enabling USB devices. It
> would be helpful when building these systems to be able to know in
> advance which kernel drivers (or modules) are reachable from a
> particular USB device.
>
> This information is readily available for external modules in
> modules.alias. However, builtin kernel modules are not covered. This
> patch adds a sys-fs attribute to both builtin and loaded modules
> exposing the matching rules in the modalias format for integration
> with tools like USBGuard.
>
> Signed-off-by: Allen Webb <allenwebb@google.com>
Thanks for the patch Allen!
I'd rather have something generic though, and it would seem kmod [0] already
does this, have you seen the kmod support for builtin.alias.bin
Can't that be used?
[0] git://git.kernel.org/pub/scm/utils/kernel/kmod/kmod.git
Luis
next prev parent reply other threads:[~2022-11-11 18:30 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-10 22:21 Patch to exposing modalias'es for built in kernel modules (USB) Allen Webb
2022-11-11 6:06 ` Greg Kroah-Hartman
2022-11-11 9:59 ` Christophe Leroy
2022-11-11 15:28 ` [PATCH] modules: add modalias file to sysfs for modules Allen Webb
2022-11-11 15:45 ` Greg Kroah-Hartman
2022-11-11 18:29 ` Luis Chamberlain [this message]
2022-11-14 16:42 ` Allen Webb
2022-11-14 17:22 ` Lucas De Marchi
2022-11-15 16:05 ` Allen Webb
2022-11-15 17:35 ` Luis Chamberlain
2022-11-15 18:40 ` Allen Webb
2022-11-16 20:42 ` Allen Webb
2022-11-17 15:54 ` Alexey Gladkov
2022-11-11 20:55 ` kernel test robot
2022-11-11 23:07 ` kernel test robot
2022-11-12 0:17 ` kernel test robot
2022-11-28 20:13 ` Allen Webb
2022-11-29 7:40 ` Greg Kroah-Hartman
2022-11-29 7:46 ` Christophe Leroy
2022-11-29 11:23 ` kernel test robot
2022-11-30 2:22 ` kernel test robot
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