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(parent: eb072a7) | 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)
commit224593215525a79fe1acfffaafa528af9dc6f738
tree5009928b331227e677e0831fba729dadb2a7a874tree | snapshot (tar.gz zip)
parenteb072a7996467937a1582d0188ed082768902a5acommit | 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 | blame | history