diff options
Diffstat (limited to 'arch/arm64/net/bpf_jit_comp.c')
| -rw-r--r-- | arch/arm64/net/bpf_jit_comp.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 2cab9063f563..b6c42b5c9668 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -1630,9 +1630,14 @@ emit_cond_jmp: return ret; break; - /* speculation barrier */ + /* speculation barrier against v1 and v4 */ case BPF_ST | BPF_NOSPEC: - /* See bpf_jit_bypass_spec_v4() */ + if (alternative_has_cap_likely(ARM64_HAS_SB)) { + emit(A64_SB, ctx); + } else { + emit(A64_DSB_NSH, ctx); + emit(A64_ISB, ctx); + } break; /* ST: *(size *)(dst + off) = imm */ |