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[ Upstream commit2e2006c91c] Now BPF only supports bpf_list_push_{front,back}_impl kfunc, not bpf_list_ push_{front,back}. This patch fix this issue. Without this patch, if we use bpf_list kfunc in scx, the BPF verifier would complain: libbpf: extern (func ksym) 'bpf_list_push_back': not found in kernel or module BTFs libbpf: failed to load object 'scx_foo' libbpf: failed to load BPF skeleton 'scx_foo': -EINVAL With this patch, the bpf list kfunc will work as expected. Signed-off-by: Chuyi Zhou <zhouchuyi@bytedance.com> Fixes:2a52ca7c98("sched_ext: Add scx_simple and scx_example_qmap example schedulers") Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>