iommu/amd: Update Alias-DTE in update_device_table()

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commit 3254de6bf7 upstream.

Not doing so might cause IO-Page-Faults when a device uses
an alias request-id and the alias-dte is left in a lower
page-mode which does not cover the address allocated from
the iova-allocator.

Fixes: 492667dacc ('x86/amd-iommu: Remove amd_iommu_pd_table')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Joerg Roedel 2016-07-26 15:18:54 +02:00 • committed by Greg Kroah-Hartman

parent df8eaed225

commit c5612d4370

1 changed files with 8 additions and 1 deletions

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drivers/iommu/amd_iommu.c

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