mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

test_bpf: Remove EXPECTED_FAIL flag from bpf_fill_maxinsns11 

With NOPs padding, x64 jit now can handle the jump cases like
bpf_fill_maxinsns11().

Signed-off-by: Gary Lin <glin@suse.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210119102501.511-3-glin@suse.com
This commit is contained in:
Gary Lin 2021-01-19 18:25:00 +08:00 committed by Alexei Starovoitov
parent 93c5aecc35
commit 16a660ef7d
1 changed files with 1 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/test_bpf.c
View File

@ -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",