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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 05:08:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 05:08:49 +0000
commit76047c0312414915035f4ebbaa533fe3817a21e0 (patch)
tree86f79ba3c1f753b1d39be793455035794fade031 /arch/s390/net
parentAdding upstream version 6.8.11. (diff)
downloadlinux-76047c0312414915035f4ebbaa533fe3817a21e0.tar.xz
linux-76047c0312414915035f4ebbaa533fe3817a21e0.zip
Adding upstream version 6.8.12.upstream/6.8.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/net')
-rw-r--r--arch/s390/net/bpf_jit_comp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 5af0402e94..1d168a98ae 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1427,8 +1427,12 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT6_DISP_LH(0xeb000000, is32 ? (op32) : (op64), \
(insn->imm & BPF_FETCH) ? src_reg : REG_W0, \
src_reg, dst_reg, off); \
- if (is32 && (insn->imm & BPF_FETCH)) \
- EMIT_ZERO(src_reg); \
+ if (insn->imm & BPF_FETCH) { \
+ /* bcr 14,0 - see atomic_fetch_{add,and,or,xor}() */ \
+ _EMIT2(0x07e0); \
+ if (is32) \
+ EMIT_ZERO(src_reg); \
+ } \
} while (0)
case BPF_ADD:
case BPF_ADD | BPF_FETCH: