> On 6/13/07, Myles Watson <[EMAIL PROTECTED]> wrote: > > I'm using LinuxBIOS on my Tyan s2892. I have a device that maps a lot > > of the memory space, but I'm struggling trying to get the Opteron to > > read and write to my device in larger blocks. I have set the variable > > MTRRs in the device driver to writeback (witnessed by /proc/mtrr), but I
> > still get 64-bit accesses instead of 64-byte (cache line). > > wirte-back or write-combining? > > YH I did write-back, because I would like it to be treated as much like DRAM as possible. Myles -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios