From a71c0b09a14db72d59c48a8cda7a73032f4d418b Mon Sep 17 00:00:00 2001 From: Artem Savkov Date: Fri, 17 May 2024 09:56:47 +0200 Subject: [PATCH] powerpc64/bpf: jit support for unconditional byte swap Add jit support for unconditional byte swap. Tested using BSWAP tests from test_bpf module. Signed-off-by: Artem Savkov Reviewed-by: Hari Bathini Signed-off-by: Michael Ellerman Link: https://msgid.link/20240517075650.248801-3-asavkov@redhat.com --- arch/powerpc/net/bpf_jit_comp64.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index f1d7fcdeb14a7..7de41e80c61fe 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -699,11 +699,12 @@ bpf_alu32_trunc: */ case BPF_ALU | BPF_END | BPF_FROM_LE: case BPF_ALU | BPF_END | BPF_FROM_BE: + case BPF_ALU64 | BPF_END | BPF_FROM_LE: #ifdef __BIG_ENDIAN__ if (BPF_SRC(code) == BPF_FROM_BE) goto emit_clear; #else /* !__BIG_ENDIAN__ */ - if (BPF_SRC(code) == BPF_FROM_LE) + if (BPF_CLASS(code) == BPF_ALU && BPF_SRC(code) == BPF_FROM_LE) goto emit_clear; #endif switch (imm) { -- 2.47.2