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(parent: 4129bd2) | patch
s390/pci: use virtual memory for iommu bitmap
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Thu, 29 Aug 2013 18:31:50 +0000 (20:31 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 30 Aug 2013 06:57:24 +0000 (08:57 +0200)
commitff5f1d295dfef12d6cfcf66a00c528e340e224f2
tree5009928b331227e677e0831fba729dadb2a7a874tree | snapshot
parent4129bd204e10c28246e9f0e343088306d2e7715fcommit | diff
s390/pci: use virtual memory for iommu bitmap

The bitmap used to mark dma mappings can be quite large on systems
with huge amounts of memory. Use virtual memory for this bitmap.

Suggested-by: Alexander Schmidt <alexschm@de.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/pci/pci_dma.c diff | blob | history
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