From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: No more read/write ioctls Date: Fri, 08 Apr 2011 18:29:29 +0100 Message-ID: References: <1301621965-23185-1-git-send-email-ben@bwidawsk.net> <1301702089-25644-1-git-send-email-ben@bwidawsk.net> <20110406213826.GA32472@snipes.kumite> <87fwpsfz49.fsf@pollan.anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id CF62D9E938 for ; Fri, 8 Apr 2011 10:29:43 -0700 (PDT) In-Reply-To: <87fwpsfz49.fsf@pollan.anholt.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Eric Anholt , Ben Widawsky , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Fri, 08 Apr 2011 07:10:14 -1000, Eric Anholt wrote: > I thought previously we had issues with debugfs nodes which could wedge > the system (out of range mmio reads)? Yes, we have indeed triggered hard hards by trying to read the wrong registers before. That's why I was interested in seeing Ben codify the reserved ranges so that we can have at least a warning before doing something idiotic. -Chris -- Chris Wilson, Intel Open Source Technology Centre