Skip to content

docs: add AMD SME and SEV karg options #256

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
raja-grewal wants to merge 2 commits into
base: live
Choose a base branch
from
Open

docs: add AMD SME and SEV karg options #256

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
606b573
Update KARGS.md to include AMD SME and SEV options
raja-grewal Dec 12, 2025
c69f7f1
Merge branch 'live' into amd_encrypt_ram
EsseLowNitro Dec 22, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions content/articles/KARGS.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,8 @@ installation, and are always applied by the script `ujust set-kargs-hardening`.
- `iommu=force` and `intel_iommu=on`: Mitigate DMA attacks by enabling IOMMU.
- `iommu.passthrough=0`: Disable IOMMU bypass.
- `iommu.strict=1`: Synchronously invalidate IOMMU hardware TLBs.
- `kvm_amd.sev=1`, `kvm_amd.sev_es=1`, `kvm_amd.sev_snp=1`: Enable AMD Secure
Encrypted Virtualization (SEV) and extensions.
- `kvm-intel.vmentry_l1d_flush=always`: Enable unconditional flushes, required
for complete L1D vulnerability mitigation.
- `kvm.mitigate_smt_rsb=1`: Mitigate cross-thread return address predictions
Expand All @@ -50,6 +52,7 @@ installation, and are always applied by the script `ujust set-kargs-hardening`.
vulnerability.
- `lockdown=confidentiality`: Enable kernel lockdown in the strictest mode.
- `loglevel=0`: Only log level 0 (system is unusable) messages to the console.
- `mem_encrypt=on`: Enable AMD Secure Memory Encryption (SME).
- `mitigations=auto,nosmt`: Automatically mitigate all known CPU
vulnerabilities, including disabling SMT if necessary.
- `module.sig_enforce=1`: Only allow kernel modules that have been signed with a
Expand Down