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sys-kernel: enable IOMMU on arm64 #2235

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Oct 21, 2022
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sys-kernel: enable IOMMU on arm64 #2235

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1 change: 1 addition & 0 deletions changelog/bugfixes/2022-10-17-iommu-arm64.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
- Enabled IOMMU on arm64 kernels, the lack of which prevented some systems from booting ([coreos-overlay#2235](https://github.com/flatcar/coreos-overlay/pull/2235))
4 changes: 3 additions & 1 deletion sys-kernel/coreos-modules/files/arm64_defconfig-5.15
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Expand Up @@ -13,6 +13,8 @@ CONFIG_ARCH_ZYNQMP=y
CONFIG_ARM64_ACPI_PARKING_PROTOCOL=y
CONFIG_ARM64_CRYPTO=y
CONFIG_ARM64_VA_BITS_48=y
CONFIG_ARM_SMMU=y
CONFIG_ARM_SMMU_V3=y
CONFIG_BCM7XXX_PHY=m
CONFIG_BCMGENET=m
CONFIG_CHR_DEV_SCH=m
Expand All @@ -33,7 +35,7 @@ CONFIG_FB_ARMCLCD=y
CONFIG_GPIO_PL061=y
CONFIG_GPIO_XGENE=y
CONFIG_GPIO_XGENE_SB=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_IOMMU_SUPPORT=y
# CONFIG_IOSCHED_DEADLINE is not set
CONFIG_KVM=y
CONFIG_LEGACY_PTY_COUNT=16
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