The driver itself could happily allocate it's own little crappy bounce buffer.
On 1 February 2011 11:32, Ted Unangst <[email protected]> wrote: > On Tue, Feb 1, 2011 at 7:33 AM, Mark Lumsden <[email protected]> wrote: >> The bce(4) driver was removed from i386 GENERIC by Theo a few months ago because >> it can only access 1GB ram. My Dell Latitude D520 has 2GB RAM and sure enough the >> driver did random things when I tried to use it back then. Ive looked at NetBSD >> and they have an extra bus_dmatag_subregion() function for restricting the >> memory range the driver accesses. Should this be implemented for OpenBSD? > > I believe the consensus was that we should not pollute the source tree > to support one particular extra retarded device. Rather, the driver > for that device is responsible for satisfying its strange needs.
