From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jes Sorensen Date: Wed, 13 Sep 2006 09:52:46 +0000 Subject: Re: [PATCH 0/8] Optional ZONE_DMA V1 Message-Id: <4507D4EE.4060501@sgi.com> List-Id: References: <20060911222729.4849.69497.sendpatchset@schroedinger.engr.sgi.com> In-Reply-To: <20060911222729.4849.69497.sendpatchset@schroedinger.engr.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Christoph Lameter wrote: > On Wed, 13 Sep 2006, Jes Sorensen wrote: > >>>>>>> "Christoph" = Christoph Lameter writes: >> Christoph> It is true for a large range of hardware. My x86 x64 >> Christoph> systems do not need the DMA zone and I have been running >> Christoph> them for awhile in this mode. Some drivers are not >> Christoph> available as a result of not having ZONE_DMA. >> >> Any idea which ones? > > There was the floppy driver and one type of USB stick that I noticed > during the work on the project. But other drivers may depend also depend > indirectly on DMA functionality and may also be disabled. Ok, USB should ring alarm bells, floppy I think is less relevant these days :) Cheers, Jes