linux-kernel - Re: loading firmware while usermodehelper disabled.

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Date:	Sun, 1 Jan 2012 10:48:18 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Marek Vasut <marek.vasut@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Larry Finger <Larry.Finger@...inger.net>,
	Chaoming Li <chaoming_li@...lsil.com.cn>,
	"John W. Linville" <linville@...driver.com>,
	Matthew Garrett <mjg@...hat.com>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	USB list <linux-usb@...r.kernel.org>,
	Linux Wireless List <linux-wireless@...r.kernel.org>
Subject: Re: loading firmware while usermodehelper disabled.

Am Samstag, 31. Dezember 2011, 19:39:18 schrieb Marek Vasut:

> maybe we should implement such thing into the firmware loader itself? Allow it 
> -- for example via some node in /dev -- to force loading firmware into some 
> buffer in kernel just before suspend so it'll certainly be readily available at 
> resume time?

This is difficult. We don't know at suspend time which firmware we will
need at resume time. We could keep a record of firmware we needed
to get to the state we are, but this is a very complex scheme.

	Regards
		Oliver
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