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author | Robin Murphy <robin.murphy@arm.com> | 2017-03-16 17:00:17 +0000 |
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committer | Joerg Roedel <jroedel@suse.de> | 2017-03-22 16:18:59 +0100 |
commit | 938f1bbe35e3a7cb07e1fa7c512e2ef8bb866bdf (patch) | |
tree | 87845f65679cf87a1c5eabbaf945df8781d8fc43 /include/linux/signalfd.h | |
parent | 9d3a4de4cb8db8e71730e36736272ef041836f68 (diff) | |
download | lwn-938f1bbe35e3a7cb07e1fa7c512e2ef8bb866bdf.tar.gz lwn-938f1bbe35e3a7cb07e1fa7c512e2ef8bb866bdf.zip |
iommu/dma: Don't reserve PCI I/O windows
Even if a host controller's CPU-side MMIO windows into PCI I/O space do
happen to leak into PCI memory space such that it might treat them as
peer addresses, trying to reserve the corresponding I/O space addresses
doesn't do anything to help solve that problem. Stop doing a silly thing.
Fixes: fade1ec055dc ("iommu/dma: Avoid PCI host bridge windows")
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/signalfd.h')
0 files changed, 0 insertions, 0 deletions