From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [RFC] Initial attempt to make ARM use LMB Date: Mon, 31 May 2010 11:04:30 +0300 Message-ID: <20100531080429.GA30216@atomide.com> References: <20100325233248.GM24984@n2100.arm.linux.org.uk> <20100522215848.GB29889@n2100.arm.linux.org.uk> <20100526004418.GM9645@atomide.com> <20100528143207.GB25568@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-01-ewr.mailhop.org ([204.13.248.71]:62286 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753795Ab0EaIEh (ORCPT ); Mon, 31 May 2010 04:04:37 -0400 Content-Disposition: inline In-Reply-To: <20100528143207.GB25568@n2100.arm.linux.org.uk> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Russell King - ARM Linux Cc: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Tomi Valkeinen * Russell King - ARM Linux [100528 17:26]: > On Tue, May 25, 2010 at 05:44:18PM -0700, Tony Lindgren wrote: > > Also, the last patch in lmb branch "ARM: use LMB to allocate system > > memory MMIO resource structures" causes both osk5912 and n900 > > to hang very early. Maybe I'm missing some patch again.. > > I'll drop this patch for the time being - we don't have stuff in the > right order yet for lmb_alloc() to work immediately after arm_lmb_init() > with highmem present - lmb_alloc tries to allocate from unmapped or high > memory, which we then use __va() on and referencing the resulting pointer > causes an abort. > > However, using lmb_alloc() for the OMAP framebuffers shouldn't be an > issue because the problem only happens if you want to immediately > dereference the memory. OK. Looks like your lmb branch still has it and is from the 23rd, maybe you forgot to push out the update lmb branch? Regards, Tony