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3 Commits

Author SHA1 Message Date
Eduard Zingerman
733e5e8754 selftests/bpf: Test case for SEC("?.struct_ops") 
Check that "?.struct_ops" and "?.struct_ops.link" section names define
struct_ops maps with autocreate == false after open.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240306104529.6453-14-eddyz87@gmail.com
 2024-03-06 15:18:16 -08:00
Eduard Zingerman
651d49f15b selftests/bpf: Verify struct_ops autoload/autocreate sync 
Check that autocreate flags of struct_ops map cause autoload of
struct_ops corresponding programs:
- when struct_ops program is referenced only from a map for which
  autocreate is set to false, that program should not be loaded;
- when struct_ops program with autoload == false is set to be used
  from a map with autocreate == true using shadow var,
  that program should be loaded;
- when struct_ops program is not referenced from any map object load
  should fail.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240306104529.6453-10-eddyz87@gmail.com
 2024-03-06 15:18:15 -08:00
Eduard Zingerman
1863acccdf selftests/bpf: Test autocreate behavior for struct_ops maps 
Check that bpf_map__set_autocreate() can be used to disable automatic
creation for struct_ops maps.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240306104529.6453-8-eddyz87@gmail.com
 2024-03-06 15:18:15 -08:00