libbpf: Making bpf_prog_load() ignore name if kernel doesn't support
Similar with commit 10b62d6a ("libbpf: Add names for auxiliary maps"), let's make bpf_prog_load() also ignore name if kernel doesn't support program name. To achieve this, we need to call sys_bpf_prog_load() directly in probe_kern_prog_name() to avoid circular dependency. sys_bpf_prog_load() also need to be exported in the libbpf_internal.h file. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20220813000936.6464-1-liuhangbin@gmail.com
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