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vmm: Enforce guest_numa_id on NUMA nodes

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The documentation says guest_numa_id is required to be unique and
therefore the parser() giving default value for non-existing
guest_numa_id with .unwrap_or(0) is dangerous.

Return a validation error if guest_numa_id is not provided instead
of silently defaulting to 0.

Signed-off-by: Saravanan D <saravanand@crusoe.ai>
This commit is contained in:
Saravanan D
2026-02-11 06:40:23 +00:00
committed by Rob Bradford
parent 9ba9c0819a
commit 231bbe2d5d
2 changed files with 5 additions and 2 deletions
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6
vmm/src/config.rs
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@@ -2202,7 +2202,11 @@ impl NumaConfig {
let guest_numa_id = parser
.convert::<u32>("guest_numa_id")
.map_err(Error::ParseNuma)?
.unwrap_or(0);
.ok_or_else(|| {
Error::ParseNuma(OptionParserError::InvalidValue(
"guest_numa_id is required for all NUMA nodes".to_string(),
))
})?;
let cpus = parser
.convert::<IntegerList>("cpus")
.map_err(Error::ParseNuma)?