diff options
| author | Owain Ainsworth <oga@cvs.openbsd.org> | 2009-02-05 01:13:22 +0000 |
|---|---|---|
| committer | Owain Ainsworth <oga@cvs.openbsd.org> | 2009-02-05 01:13:22 +0000 |
| commit | 82fda29c886a059ab961cba463ebf312068065e5 (patch) | |
| tree | 6a902aa43f70f9165ac27c861964668af599c3a1 /sys/dev/pci/viapm.c | |
| parent | 74f276ec4910fc7e6bcd3162c3804bd97011549a (diff) | |
add MD PMAP_NOCACHE flag to i386 and use it to implement the
BUS_DMA_NOCACHE flag with guarantees that the dma memory will be mapped
uncached. Some broken/odd hardware needs this.
discussion with miod, toby, art and kettenis. ok miod.
Diffstat (limited to 'sys/dev/pci/viapm.c')
0 files changed, 0 insertions, 0 deletions