With NOPs padding, x64 jit now can handle the jump cases like
bpf_fill_maxinsns11().
Signed-off-by: Gary Lin <glin@xxxxxxxx>
---
lib/test_bpf.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index ca7d635bccd9..272a9fd143ab 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -345,7 +345,7 @@ static int __bpf_fill_ja(struct bpf_test *self, unsigned int len,
static int bpf_fill_maxinsns11(struct bpf_test *self)
{
- /* Hits 70 passes on x86_64, so cannot get JITed there. */
+ /* Hits 70 passes on x86_64 and triggers NOPs padding. */
return __bpf_fill_ja(self, BPF_MAXINSNS, 68);
}
@@ -5318,15 +5318,10 @@ static struct bpf_test tests[] = {
{
"BPF_MAXINSNS: Jump, gap, jump, ...",
{ },
-#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_X86)
- CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
-#else
CLASSIC | FLAG_NO_DATA,
-#endif
{ },
{ { 0, 0xababcbac } },
.fill_helper = bpf_fill_maxinsns11,
- .expected_errcode = -ENOTSUPP,
},
{
"BPF_MAXINSNS: jump over MSH",
--
2.29.2
