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authorKeshavamurthy, Anil S <anil.s.keshavamurthy@intel.com>2007-10-21 19:41:46 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-22 11:13:18 -0400
commit994a65e25df85abc465cfee495557200e8205f9e (patch)
tree2b6676898cccc03a356a67a3173fdb50bb25abb6 /.gitignore
parent10e5247f40f3bf7508a0ed2848c9cae37bddf4bc (diff)
Intel IOMMU: PCI generic helper function
When devices are under a p2p bridge, upstream transactions get replaced by the device id of the bridge as it owns the PCIE transaction. Hence its necessary to setup translations on behalf of the bridge as well. Due to this limitation all devices under a p2p share the same domain in a DMAR. We just cache the type of device, if its a native PCIe device or not for later use. [akpm@linux-foundation.org: BUG_ON -> WARN_ON+recover] Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: Andi Kleen <ak@suse.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Muli Ben-Yehuda <muli@il.ibm.com> Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Cc: Arjan van de Ven <arjan@infradead.org> Cc: Ashok Raj <ashok.raj@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Christoph Lameter <clameter@sgi.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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