[PATCH bpf-next v2 4/4] selftests/bpf: Fix verifier tailcall jit selftest

[Leon Hwang <leon.hwang@linux.dev>]

The verifier tailcall jit selftest is broken, because the prologue of x86
bpf prog has been updated to fix the tailcall infinite loop issue caused
by freplace.

Signed-off-by: Leon Hwang <leon.hwang@linux.dev>
---
 tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c b/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c
index 8d60c634a114f..60a6045e2d9ae 100644
--- a/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c
+++ b/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c
@@ -33,8 +33,8 @@ __success
 __arch_x86_64
 /* program entry for main(), regular function prologue */
 __jited("	endbr64")
-__jited("	nopl	(%rax,%rax)")
 __jited("	xorq	%rax, %rax")
+__jited("	nopl	(%rax,%rax)")
 __jited("	pushq	%rbp")
 __jited("	movq	%rsp, %rbp")
 /* tail call prologue for program:
@@ -63,8 +63,8 @@ __jited("	{{(retq|jmp	0x)}}")		/* return or jump to rethunk */
 __jited("...")
 /* subprogram entry for sub(), regular function prologue */
 __jited("	endbr64")
-__jited("	nopl	(%rax,%rax)")
 __jited("	nopl	(%rax)")
+__jited("	nopl	(%rax,%rax)")
 __jited("	pushq	%rbp")
 __jited("	movq	%rsp, %rbp")
 /* tail call prologue for subprogram address of tail call counter
-- 
2.44.0