s390/bpf: Add expoline to tail calls
authorIlya Leoshkevich <iii@linux.ibm.com>
Sun, 29 Jan 2023 19:04:55 +0000 (20:04 +0100)
committerAlexei Starovoitov <ast@kernel.org>
Mon, 30 Jan 2023 03:16:28 +0000 (19:16 -0800)
commitbb4ef8fc3d193ed8d5583fb47cbeff5d8fb8302f
treecf39ca9a0c8bad2aba0cf38d4467ea3c272a043c
parent7ce878ca81bca7811e669db4c394b86780e0dbe4
s390/bpf: Add expoline to tail calls

All the indirect jumps in the eBPF JIT already use expolines, except
for the tail call one.

Fixes: de5cb6eb514e ("s390: use expoline thunks in the BPF JIT")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230129190501.1624747-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
arch/s390/net/bpf_jit_comp.c