x86, dmar: start with sane state while enabling dma and interrupt-remapping

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Impact: cleanup/sanitization

Start from a sane state while enabling dma and interrupt-remapping, by
clearing the previous recorded faults and disabling previously
enabled queued invalidation and interrupt-remapping.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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Suresh Siddha 2009-03-16 17:04:57 -07:00 • committed by H. Peter Anvin

parent eba67e5da6

commit 1531a6a6b8

4 changed files with 49 additions and 4 deletions

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5

drivers/pci/dmar.c

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29

drivers/pci/intel-iommu.c

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17

drivers/pci/intr_remapping.c

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2

include/linux/dmar.h

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