Re: alpha iommu fixes

Richard Henderson (rth@twiddle.net)
Sun, 20 May 2001 18:58:21 -0700


On Sun, May 20, 2001 at 06:03:44PM -0700, David S. Miller wrote:
> But for the time being, everyone assumes address zero is not valid and
> it shouldn't be too painful to reserve the first page of DMA space
> until we fix this issue.

Indeed, virtually all PCI systems have legacy PeeCee compatibility crap
handing out in low i/o memory, and we don't use the first megabyte or so.

r~
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/