cpufeatures: use #[cold] for initialization code
#1674
| Job | Run time |
|---|---|
| 3m 8s | |
| 43s | |
| 23s | |
| 4m 14s |
#[cold] for initialization code
#1674
| Job | Run time |
|---|---|
| 3m 8s | |
| 43s | |
| 23s | |
| 4m 14s |