Commit [1] moved features.h inclusion in sched.h to the top of the file.
This prevents features.h from seeing the definition of HAVE_RT_PUSH_IPI,
which in turn causes the sched_feat(RT_PUSH_IPI) to be always disabled.
Fix this by checking the parent macro of HAVE_RT_PUSH_IPI instead.
[1] ("sched: Resolve sched_feat() at compile time to improve code optimization")
Signed-off-by: shygosh <shygosh@proton.me>
abf49c4b59