Re: [PATCH 0/8] Optional ZONE_DMA V1

Jes Sorensen
2006-09-13T09:52:46Z

Christoph Lameter wrote:
> On Wed, 13 Sep 2006, Jes Sorensen wrote:
>
>>>>>>> "Christoph" = Christoph Lameter <clameter@sgi.com> 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