** Description changed:
- Starting with the following commit, upstream kernel is enabling Intel IOMMU
related options by default:
-
- 792fb43ce2c9 ("iommu/vt-d: Enable Intel IOMMU scalable mode by default")
-
- We should follow upstream direction enabling INTEL_IOMMU_DEFAULT_ON and
CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON.
-
- A downside is that this change may introduce boot regressions on old systems
(especially those with buggy firmware).
+ Starting with the following commit, upstream kernel is enabling Intel
+ IOMMU related options by default:
+
+ 792fb43ce2c9 ("iommu/vt-d: Enable Intel IOMMU scalable mode by
+ default")
+
+ We should follow upstream direction enabling
+ CONFIG_INTEL_IOMMU_DEFAULT_ON and
+ CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON.
+
+ A downside is that this change may introduce boot regressions on old
+ systems (especially those with buggy firmware).
** Summary changed:
- Enable INTEL_IOMMU_DEFAULT_ON and CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
on jammy 5.15
+ Enable CONFIG_INTEL_IOMMU_DEFAULT_ON and
CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON on jammy 5.15
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https://bugs.launchpad.net/bugs/1951440
Title:
Enable CONFIG_INTEL_IOMMU_DEFAULT_ON and
CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON on jammy 5.15
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Jammy:
Incomplete
Bug description:
Starting with the following commit, upstream kernel is enabling Intel
IOMMU related options by default:
792fb43ce2c9 ("iommu/vt-d: Enable Intel IOMMU scalable mode by
default")
We should follow upstream direction enabling
CONFIG_INTEL_IOMMU_DEFAULT_ON and
CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON.
A downside is that this change may introduce boot regressions on old
systems (especially those with buggy firmware).
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1951440/+subscriptions
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