| Message ID | 20210809091829.810076-12-johan.almbladh@anyfinetworks.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 53e33f9928cd61272e8e7902a876cb8cdf3f5c07 |
| Delegated to: | BPF |
| Headers | show |
| Series | bpf/tests: Extend the eBPF test suite | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for bpf-next |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | success | CCed 10 of 10 maintainers |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 100 this patch: 100 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 22 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 100 this patch: 100 |
| netdev/header_inline | success | Link |
diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 896d37f4f4b3..fcfaf45ae58a 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -2092,6 +2092,22 @@ static struct bpf_test tests[] = { #undef NUMER #undef DENOM }, +#ifdef CONFIG_32BIT + { + "INT: 32-bit context pointer word order and zero-extension", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_JMP32_IMM(BPF_JEQ, R1, 0, 3), + BPF_ALU64_IMM(BPF_RSH, R1, 32), + BPF_JMP32_IMM(BPF_JNE, R1, 0, 1), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } } + }, +#endif { "check: missing ret", .u.insns = {
On a 32-bit architecture, the context pointer will occupy the low half of R1, and the other half will be zero. Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com> --- lib/test_bpf.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)