mirror of
https://github.com/Kicksecure/security-misc.git
synced 2024-12-18 04:54:20 -05:00
18 lines
916 B
INI
18 lines
916 B
INI
## Copyright (C) 2019 - 2024 ENCRYPTED SUPPORT LP <adrelanos@whonix.org>
|
|
## See the file COPYING for copying conditions.
|
|
|
|
## Enables IOMMU to prevent DMA attacks.
|
|
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX intel_iommu=on amd_iommu=force_isolation"
|
|
|
|
## Disable the busmaster bit on all PCI bridges during very
|
|
## early boot to avoid holes in IOMMU.
|
|
##
|
|
## https://mjg59.dreamwidth.org/54433.html
|
|
## https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4444f8541dad16fefd9b8807ad1451e806ef1d94
|
|
GRUB_CMDLINE_LINUX="$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=force iommu.passthrough=0 iommu.strict=1"
|