From: Pavel Machek <pavel@ucw.cz>
To: Michal Januszewski <spock@gentoo.org>
Cc: linux-kernel@vger.kernel.org, linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [announce 7/7] fbsplash - documentation
Date: Wed, 9 Mar 2005 20:11:03 +0100 [thread overview]
Message-ID: <20050309191103.GA632@openzaurus.ucw.cz> (raw)
In-Reply-To: <20050308021706.GH26249@spock.one.pl>
Hi!
> +The userspace helper
> +--------------------
> +
> +The userspace splash helper (by default: /sbin/splash_helper) is called by the
> +kernel whenever an important event occurs and the kernel needs some kind of
> +job to be carried out. Important events include console switches and graphic
> +mode switches (the kernel requests background images and configuration
> +parameters for the current console). The splash helper must be accessible at
> +all times. If it's not, fbsplash will be switched off automatically.
Ugh, is not calling userspace when switching consoles deadlock-prone?
What if that helper tries to do printf()?
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
prev parent reply other threads:[~2005-03-09 19:11 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-08 2:17 [announce 7/7] fbsplash - documentation Michal Januszewski
2005-03-08 3:18 ` Arnd Bergmann
2005-03-08 5:00 ` Matan Peled
2005-03-08 17:39 ` Jesse Barnes
2005-03-08 6:12 ` Jon Smirl
2005-03-08 22:37 ` Michal Januszewski
2005-03-09 0:17 ` Arnd Bergmann
2005-03-09 2:05 ` Michal Januszewski
2005-03-09 15:40 ` Arnd Bergmann
2005-03-10 0:16 ` Michal Januszewski
2005-03-11 12:27 ` Benjamin Herrenschmidt
2005-03-09 16:54 ` Jon Smirl
2005-03-09 17:29 ` [Linux-fbdev-devel] " Arnd Bergmann
2005-03-09 19:11 ` Pavel Machek [this message]
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