diff options
| author | Chris Wright <[email protected]> | 2009-12-04 12:15:21 -0800 |
|---|---|---|
| committer | Jesse Barnes <[email protected]> | 2009-12-04 16:19:24 -0800 |
| commit | 5d990b627537e59a3a2f039ff588a4750e9c1a6a (patch) | |
| tree | 8c0e723c3f9146da52b30c087a80fc417df2b41b /net/lapb/lapb_iface.c | |
| parent | b26a34aa4792b3db2500b8a98cb7702765c1a92e (diff) | |
PCI: add pci_request_acs
Commit ae21ee65e8bc228416bbcc8a1da01c56a847a60c "PCI: acs p2p upsteram
forwarding enabling" doesn't actually enable ACS.
Add a function to pci core to allow an IOMMU to request that ACS
be enabled. The existing mechanism of using iommu_found() in the pci
core to know when ACS should be enabled doesn't actually work due to
initialization order; iommu has only been detected not initialized.
Have Intel and AMD IOMMUs request ACS, and Xen does as well during early
init of dom0.
Cc: Allen Kay <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Joerg Roedel <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
Diffstat (limited to 'net/lapb/lapb_iface.c')
0 files changed, 0 insertions, 0 deletions