]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit23c795c23de377e3cb870f4b1fd9bfcfb3e04b65
tree25461ff1c1c8db82d2c95cb7f797290deccf987f
parent127374bb177dd2c2e400fa676a22cd163e56d713
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