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| author | Youquan Song <youquan.song@intel.com> | 2008-10-17 01:31:56 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-17 09:05:01 +0200 |
| commit | a77b67d4023770805141014b8fa9eb5467457817 (patch) | |
| tree | 661dda1d33b8892f1e1fa2508565a288712592b9 /drivers/pci/dmar.c | |
| parent | dmar: context cache and IOTLB invalidation using queued invalidation (diff) | |
| download | linux-a77b67d4023770805141014b8fa9eb5467457817.tar.xz linux-a77b67d4023770805141014b8fa9eb5467457817.zip | |
dmar: Use queued invalidation interface for IOTLB and context invalidation
If queued invalidation interface is available and enabled, queued invalidation
interface will be used instead of the register based interface.
According to Vt-d2 specification, when queued invalidation is enabled,
invalidation command submit works only through invalidation queue and not
through the command registers interface.
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci/dmar.c')
0 files changed, 0 insertions, 0 deletions