[v3 PATCH bpf-next 0/2] bpf: Add percpu map value size check

From: Tao Chen
Date: Tue Sep 10 2024 - 10:41:27 EST


Check percpu map value size first and add the test case in selftest.

Change list:
- v2 -> v3:
- use bpf_map_create API and mv test case in map_percpu_stats.c
- v1 -> v2:
- round up map value size with 8 bytes in patch 1
- add selftest case in patch 2

Tao Chen (2):
bpf: Check percpu map value size first
bpf/selftests: Check errno when percpu map value size exceeds

kernel/bpf/arraymap.c | 3 +++
kernel/bpf/hashtab.c | 3 +++
.../selftests/bpf/map_tests/map_percpu_stats.c | 18 ++++++++++++++++++
3 files changed, 24 insertions(+)

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2.43.0