diff options
| author | David Woodhouse <[email protected]> | 2009-09-30 09:12:17 -0700 |
|---|---|---|
| committer | David Woodhouse <[email protected]> | 2009-09-30 09:12:17 -0700 |
| commit | e0fc7e0b4b5e69616f10a894ab9afff3c64be74e (patch) | |
| tree | 32b6d394c47bd61e530fd322d473dd79c9b70db9 /net/lapb/lapb_iface.c | |
| parent | 17b6097753e926ca546189463070a7e94e7ea9fa (diff) | |
intel-iommu: Yet another BIOS workaround: Isoch DMAR unit with no TLB space
Asus decided to ship a BIOS which configures sound DMA to go via the
dedicated IOMMU unit, but assigns precisely zero TLB entries to that
unit. Which causes the whole thing to deadlock, including the DMA
traffic on the _other_ IOMMU units. Nice one.
Signed-off-by: David Woodhouse <[email protected]>
Diffstat (limited to 'net/lapb/lapb_iface.c')
0 files changed, 0 insertions, 0 deletions