tree 4e43bcfc0e952052a7a8ff97ade492692fce02d6
parent d4d1c0f3d6a9558fe3857853afdf2f93e1679c03
author Joerg Roedel <jroedel@suse.de> 1434114021 +0200
committer Joerg Roedel <jroedel@suse.de> 1434445176 +0200

iommu/vt-d: Copy IR table from old kernel when in kdump mode

When we are booting into a kdump kernel and find IR enabled,
copy over the contents of the previous IR table so that
spurious interrupts will not be target aborted.

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