Commit 92de4bb2 authored by Mao Minkai's avatar Mao Minkai Committed by guzitao
Browse files

sw64 bpf: add BPF_NOSPEC jit 

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/IB73UR



--------------------------------

Add BPF_NOSPEC jit support for sw64.

Signed-off-by: default avatarMao Minkai <maominkai@wxiat.com>
Reviewed-by: default avatarHe Sheng <hesheng@wxiat.com>
Signed-off-by: default avatarGu Zitao <guzitao@wxiat.com>
parent 056a6f84

arch/sw_64/net/bpf_jit_comp.c

+7 −0
Original line number Diff line number Diff line
@@ -1217,6 +1217,13 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, 
			return ret;

		break;



	/* speculation barrier */

	case BPF_ST | BPF_NOSPEC:

		/*

		 * Nothing required here.

		 */

		break;



	/* ST: *(size *)(dst + off) = imm */

	case BPF_ST | BPF_MEM | BPF_W:

	case BPF_ST | BPF_MEM | BPF_H: