iommu/vt-d: Don't disable IR when it was previously enabled

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Keep it enabled in kdump kernel to guarantee interrupt
delivery.

Tested-by: ZhenHua Li <zhen-hual@hp.com>
Tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Joerg Roedel 2015-06-12 15:15:34 +02:00

parent 7c3c9876d9

commit 571dbbd4d0

1 changed files with 2 additions and 4 deletions

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6

drivers/iommu/intel_irq_remapping.c

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