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monsieuremre 2023-12-03 19:51:38 +00:00 committed by GitHub
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etc/default/grub.d/40_enable_iommu.cfg
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@ -14,4 +14,4 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX efi=disable_early_pci_dma"
## Enables strict enforcement of IOMMU TLB invalidation so devices will never be able to access stale data contents
## https://github.com/torvalds/linux/blob/master/drivers/iommu/Kconfig#L97
## Page 11 of https://lenovopress.lenovo.com/lp1467.pdf
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX iommu=strict iommu.passthrough=0 iommu.strict=1"
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX iommu=force iommu.passthrough=0 iommu.strict=1"