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Default affinity mask to cores available rather than nil.

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2026-01-16 06:42:26 +00:00
parent 9346e69b87
commit 8a95390f1c
1 changed files with 9 additions and 1 deletions
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10
src/core/utils/sys/compute.rs
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@ -65,7 +65,15 @@ where
}
/// Get the core affinity for this thread.
pub fn get_affinity() -> impl Iterator<Item = Id> { from_mask(CORE_AFFINITY.get()) }
pub fn get_affinity() -> impl Iterator<Item = Id> {
CORE_AFFINITY
.get()
.ne(&0)
.then_some(from_mask(CORE_AFFINITY.get()))
.or_else(|| Some(from_mask(*CORES_AVAILABLE)))
.into_iter()
.flatten()
}
/// List the cores sharing SMT-tier resources
pub fn smt_siblings() -> impl Iterator<Item = Id> {