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author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2017-06-26 04:28:04 -0500 |
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committer | Joerg Roedel <jroedel@suse.de> | 2017-06-28 14:44:56 +0200 |
commit | 84a21dbdef0b96d773599c33c2afbb002198d303 (patch) | |
tree | e6056e1911ed1f54c808f99937d41bcae2088488 /arch | |
parent | 7304e8f28bb2f3cb2baf37c1bb2caa0f54ca4e43 (diff) |
iommu/amd: Fix interrupt remapping when disable guest_mode
Pass-through devices to VM guest can get updated IRQ affinity
information via irq_set_affinity() when not running in guest mode.
Currently, AMD IOMMU driver in GA mode ignores the updated information
if the pass-through device is setup to use vAPIC regardless of guest_mode.
This could cause invalid interrupt remapping.
Also, the guest_mode bit should be set and cleared only when
SVM updates posted-interrupt interrupt remapping information.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Fixes: d98de49a53e48 ('iommu/amd: Enable vAPIC interrupt remapping mode by default')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions