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authorYouquan Song <youquan.song@intel.com>2008-10-16 23:31:56 (GMT)
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-10-17 07:05:01 (GMT)
commita77b67d4023770805141014b8fa9eb5467457817 (patch)
tree661dda1d33b8892f1e1fa2508565a288712592b9 /drivers/pci/dmar.c
parent3481f21097cb560392c411377893b5109fbde557 (diff)
downloadlinux-a77b67d4023770805141014b8fa9eb5467457817.tar.xz
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')
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