linux-kernel - Re: dell_rbu: Select CONFIG_FW_LOADER_USER

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Message-ID: <s5hy59feovl.wl%tiwai@suse.de>
Date:	Tue, 09 Jul 2013 17:26:06 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Dave Jones <davej@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: dell_rbu: Select CONFIG_FW_LOADER_USER_HELPER explicitly

At Tue, 9 Jul 2013 23:22:33 +0800,
Ming Lei wrote:
> 
> On Tue, Jul 9, 2013 at 11:13 PM, Takashi Iwai <tiwai@...e.de> wrote:
> >>
> >> The only cost of built-in user helper code is ~6Kbytes code on my armv7
> >> box.
> >>
> >> If the 6KB memory does mater for this non-distro kernel, we can introduce
> >> more options.
> >
> > Well, if it doesn't matter, we don't need CONFIG_FW_LOADER_USER_HELPER
> > either.  The goal of this option is to kill the user helper code, not
> > intended as a workaround for 60 seconds stall.
> 
> Actually, the Kconfig help is "Fallback user-helper invocation for
> firmware loading",
> so looks the description in help doc isn't consistent with what you wanted, :-)

There is always a secret plan for world conquer :)


Takashi
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