raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 10:00:17 +00:00
Code Issues Projects Releases Wiki Activity

nfp: bpf: fix code-gen bug on BPF_ALU | BPF_XOR | BPF_K

Browse Source 
[ Upstream commit 71c190249f ]

The intended optimization should be A ^ 0 = A, not A ^ -1 = A.

Fixes: cd7df56ed3 ("nfp: add BPF to NFP code translator")
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiong Wang
2019-02-22 22:36:03 +00:00
committed by Greg Kroah-Hartman
parent 4523507c52
commit 7ca1faa52b
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/netronome/nfp/bpf/jit.c
View File

@@ -2306,7 +2306,7 @@ static int xor_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
static int xor_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR, !~meta->insn.imm);
return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR, !meta->insn.imm);
}
static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)