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(parent: d2ef096) | patch
iommu/vt-d: Gracefully handle DMAR units with no supported address widths
authorDavid Woodhouse <dwmw@amazon.co.uk>
Thu, 24 Sep 2020 14:08:42 +0000 (15:08 +0100)
committerJoerg Roedel <jroedel@suse.de>
Wed, 7 Oct 2020 09:49:54 +0000 (11:49 +0200)
commitc40aaaac1018ff1382f2d35df5129a6bcea3df6b
tree25461ff1c1c8db82d2c95cb7f797290deccf987ftree | snapshot
parentd2ef0962492c3be3563e53a431c285678849b3c1commit | diff
iommu/vt-d: Gracefully handle DMAR units with no supported address widths

Instead of bailing out completely, such a unit can still be used for
interrupt remapping.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/linux-iommu/549928db2de6532117f36c9c810373c14cf76f51.camel@infradead.org/
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel/dmar.c diff | blob | history
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