linux-kernel - Re: blink driver power saving

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]

Message-ID: <20070703071237.GA17476@suse.de>
Date:	Tue, 3 Jul 2007 09:12:37 +0200
From:	Bernhard Walle <bwalle@...e.de>
To:	Pavel Machek <pavel@....cz>
Cc:	Andi Kleen <ak@...e.de>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Indan Zupancic <indan@....nu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: blink driver power saving

* Pavel Machek <pavel@....cz> [2007-07-03 01:08]:
> On Mon 2007-07-02 14:39:27, Andi Kleen wrote:
> > 
> > > > Perhaps one of you geniuses who all hate it can find a better way to
> > > > solve the "video output dead after kexec; but need visual feedback to the user
> > > > while crash dumping" problem. I'm waiting for your patches.
> > > >
> > > 
> > > I don't don't like it ;) Unfortunately too many people end up enabling
> > 
> > Yes that's pretty weird. I admit I hadn't expected
> > that problem. blink is equivalent to "annoy me" and it
> > is a mystery why so many people should willingly ask their computer to 
> > annoy them.
> 
> tristate "Keyboard blink driver"
> 
> ...drivers are not expected to act on their own. I was expecting to
> get nice /sys/class/led* interface to my keyboard leds.

What's the benefit of such an interface? If you're able to trigger
keyboard LEDs via that interface, you're also able to use the ioctl()
on /dev/console.

I think the intention of the blink driver was to have a *early* blink,
i.e. before initrd (and on systems without intrd, before the first
init script runs).



Thanks,
   Bernhard
-
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/