linux-kernel - Re: [PATCH] Change CONFIG_FW_LOADER_USER_HELPER to default n and don't select it

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Date:	Tue, 06 Aug 2013 10:20:13 +0200
From:	Maarten Lankhorst <m.b.lankhorst@...il.com>
To:	Andy Lutomirski <luto@...capital.net>
CC:	linux-kernel@...r.kernel.org, Kay Sievers <kay@...y.org>,
	Zbigniew Jędrzejewski-Szmek 
	<zbyszek@...waw.pl>, systemd-devel@...ts.freedesktop.org,
	Linux Wireless List <linux-wireless@...r.kernel.org>,
	linux-hotplug@...r.kernel.org,
	Intel Linux Wireless <ilw@...ux.intel.com>,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: [PATCH] Change CONFIG_FW_LOADER_USER_HELPER to default n and
 don't select it

Op 05-08-13 18:29, Andy Lutomirski schreef:
> The systemd commit below can delay firmware loading by multiple
> minutes if CONFIG_FW_LOADER_USER_HELPER=y.  Unfortunately no one
> noticed that the systemd-udev change would break new kernels as well
> as old kernels.
>
> Since the kernel apparently can't count on reasonable userspace
> support, turn this thing off by default.
>
> commit a3bd8447be4ea2ce230eb8ae0e815c04d85fa15a
> Author: Tom Gundersen <teg@...m.no>
> Date:   Mon Mar 18 15:12:18 2013 +0100
>
>     udev: make firmware loading optional and disable by default
>
>     Distros that whish to support old kernels should set
>       --with-firmware-dirs="/usr/lib/firmware/updates:/usr/lib/firmware"
>     to retain the old behaviour.
>
methinks this patch should be reverted then, or a stub should be added to udev to always fail firmware loading so timeouts don't occur.

~Maarten
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