| commit | 091d42e43d21b6ca7ec39bf5f9e17bc0bd8d4312 | [log] [tgz] |
|---|---|---|
| author | Joerg Roedel <jroedel@suse.de> | Fri Jun 12 11:56:10 2015 +0200 |
| committer | Joerg Roedel <jroedel@suse.de> | Tue Jun 16 10:59:34 2015 +0200 |
| tree | 17f928c9c514a2603f290a17a49cf6d7d1fc5873 | |
| parent | 4158c2eca3c77ed3cccdcaeab153aad4e433369c [diff] |
iommu/vt-d: Copy translation tables from old kernel If we are in a kdump kernel and find translation enabled in the iommu, try to copy the translation tables from the old kernel to preserve the mappings until the device driver takes over. This supports old and the extended root-entry and context-table formats. Tested-by: ZhenHua Li <zhen-hual@hp.com> Tested-by: Baoquan He <bhe@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>