Re: DMA mapping API on 32-bit X86 with CONFIG_HIGHMEM64G

2008-02-17 Thread Bill Waddington
On Tue, 12 Feb 2008 04:16:58 UTC, in fa.linux.kernel you wrote: >I was looking at the out-of-tree driver for a PCI high-security module >(from a vendor who shall remain nameless) today, as we had a problem >reported where the device didn't work properly if the computer had more >than 4GB of RAM

DMA mapping API on 32-bit X86 with CONFIG_HIGHMEM64G

2008-02-11 Thread Robert Hancock
I was looking at the out-of-tree driver for a PCI high-security module (from a vendor who shall remain nameless) today, as we had a problem reported where the device didn't work properly if the computer had more than 4GB of RAM (this is x86 32-bit, with CONFIG_HIGHMEM64G enabled). Essentially