Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261342AbVBTDWE (ORCPT ); Sat, 19 Feb 2005 22:22:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261444AbVBTDWD (ORCPT ); Sat, 19 Feb 2005 22:22:03 -0500 Received: from gate.crashing.org ([63.228.1.57]:64704 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S261342AbVBTDWA (ORCPT ); Sat, 19 Feb 2005 22:22:00 -0500 Subject: Re: updated list of unused kernel exports posted From: Benjamin Herrenschmidt To: Arjan van de Ven Cc: Linux Kernel list In-Reply-To: <1108847674.6304.158.camel@laptopd505.fenrus.org> References: <1108847674.6304.158.camel@laptopd505.fenrus.org> Content-Type: text/plain Date: Sun, 20 Feb 2005 14:20:35 +1100 Message-Id: <1108869635.21611.13.camel@gaston> Mime-Version: 1.0 X-Mailer: Evolution 2.0.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 657 Lines: 18 On Sat, 2005-02-19 at 22:14 +0100, Arjan van de Ven wrote: > +try_acquire_console_sem This is used by radeonfb and aty128fb at least... though only on ppc for now... It could be used later in fbdev's for "optisation". Basically, a trylock semantic on the console semaphore, allows you to try to do something right away (irq time), but defer if not possible. I use it in some low level PowerMac PM code. Ben. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/