| commit | d043c72153691c5baea34d8e1b7104a5149a56b7 | [log] [tgz] |
|---|---|---|
| author | Marc Zyngier <maz@kernel.org> | Thu Sep 02 18:12:01 2021 +0100 |
| committer | Marc Zyngier <maz@kernel.org> | Tue Sep 07 09:53:25 2021 +0100 |
| tree | 137f04d2072806ae1e534af5cd435445b353b560 | |
| parent | 9974c0f61b97ee886e16c9a114b3d44de64f73c6 [diff] |
iommu/dart: Exclude MSI doorbell from PCIe device IOVA range The MSI doorbell on Apple HW can be any address in the low 4GB range. However, the MSI write is matched by the PCIe block before hitting the iommu. It must thus be excluded from the IOVA range that is assigned to any PCIe device. Signed-off-by: Marc Zyngier <maz@kernel.org>