From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Thu, 25 Jun 2026 05:08:58 +0000 (+0800)
Subject: selftests/bpf: Test jited inline of bpf_get_smp_processor_id() for LoongArch
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=262a3b4fa1792d40728c69995924e11cf761f5cf;p=thirdparty%2Fkernel%2Flinux.git

selftests/bpf: Test jited inline of bpf_get_smp_processor_id() for LoongArch

Add the testcase for the jited inline of bpf_get_smp_processor_id(),
only for LoongArch currently.

Here is the test result on LoongArch:

  $ sudo ./test_progs -t verifier_jit_inline
  #604/1   verifier_jit_inline/inline_bpf_get_current_task:OK
  #604/2   verifier_jit_inline/inline_bpf_get_smp_processor_id:OK
  #604     verifier_jit_inline:OK
  Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---

diff --git a/tools/testing/selftests/bpf/progs/verifier_jit_inline.c b/tools/testing/selftests/bpf/progs/verifier_jit_inline.c
index 8560577f25576..02e562f56f9d3 100644
--- a/tools/testing/selftests/bpf/progs/verifier_jit_inline.c
+++ b/tools/testing/selftests/bpf/progs/verifier_jit_inline.c
@@ -21,4 +21,15 @@ int inline_bpf_get_current_task(void)
 	return 0;
 }
 
+SEC("fentry/bpf_fentry_test2")
+__success __retval(0)
+__arch_loongarch
+__jited("	ld.wu	$a5, $tp, 16")
+int inline_bpf_get_smp_processor_id(void)
+{
+	bpf_get_smp_processor_id();
+
+	return 0;
+}
+
 char _license[] SEC("license") = "GPL";