From: Shung-Hsi Yu <shung-hsi.yu@xxxxxxxx> [ Upstream commit a68b50f47bec8bd6a33b07b7e1562db2553981a7 ] After commit c698eaebdf47 ("selftests/bpf: trace_helpers.c: Optimize kallsyms cache") trace_helpers.c now includes libbpf_internal.h, and thus can no longer use the u32 type (among others) since they are poison in libbpf_internal.h. Replace u32 with __u32 to fix the following error when building trace_helpers.c on powerpc: error: attempt to use poisoned "u32" Fixes: c698eaebdf47 ("selftests/bpf: trace_helpers.c: Optimize kallsyms cache") Signed-off-by: Shung-Hsi Yu <shung-hsi.yu@xxxxxxxx> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx> Link: https://lore.kernel.org/r/20240202095559.12900-1-shung-hsi.yu@xxxxxxxx Signed-off-by: Martin KaFai Lau <martin.lau@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- tools/testing/selftests/bpf/trace_helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/selftests/bpf/trace_helpers.c index 4faa898ff7fc4..27fd7ed3e4b0c 100644 --- a/tools/testing/selftests/bpf/trace_helpers.c +++ b/tools/testing/selftests/bpf/trace_helpers.c @@ -271,7 +271,7 @@ ssize_t get_uprobe_offset(const void *addr) * addi r2,r2,XXXX */ { - const u32 *insn = (const u32 *)(uintptr_t)addr; + const __u32 *insn = (const __u32 *)(uintptr_t)addr; if ((((*insn & OP_RT_RA_MASK) == ADDIS_R2_R12) || ((*insn & OP_RT_RA_MASK) == LIS_R2)) && -- 2.43.0