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docs: update SEV-SNP build information

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sev_snp no longer selects a hypervisor backend implicitly.

Assisted-by: Copilot:GPT-5.5
Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2026-07-06 15:24:34 -07:00
parent 47e88d26e5
commit 2a3512fb71
1 changed files with 6 additions and 4 deletions
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docs/amd_sev_snp.md
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@@ -13,14 +13,16 @@ links:
A machine with AMD SEV-SNP support which is enabled in the BIOS is required.
On the Cloud Hypervisor side, all you need is to build the project with the
`sev_snp` feature enabled. This enables the MSHV and IGVM support that is
needed by the default SEV-SNP build:
On the Cloud Hypervisor side, build the project with the `sev_snp` and `igvm`
and the hypervisor backend you want to use. For the MSHV SEV-SNP build:
```bash
cargo build --no-default-features --features "sev_snp"
cargo build --no-default-features --features "mshv,sev_snp,igvm"
```
Change `mshv` to `kvm` for the KVM backend. You can enable both at the same
time.
**Note**
Please note that `sev_snp` cannot be enabled in conjunction with the `tdx` feature flag.