From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [announce 7/7] fbsplash - documentation Date: Wed, 9 Mar 2005 20:11:03 +0100 Message-ID: <20050309191103.GA632@openzaurus.ucw.cz> References: <20050308021706.GH26249@spock.one.pl> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20050308021706.GH26249@spock.one.pl> Sender: linux-kernel-owner@vger.kernel.org List-Id: Cc: linux-kernel@vger.kernel.org, linux-fbdev-devel@lists.sourceforge.net 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