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(parent: cdccf12) | patch
nfp: bpf: fix code-gen bug on BPF_ALU | BPF_XOR | BPF_K
authorJiong Wang <jiong.wang@netronome.com>
Fri, 22 Feb 2019 22:36:03 +0000 (22:36 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 23 Mar 2019 12:19:44 +0000 (13:19 +0100)
commitcb986f5e4b55320dbd76b43a2845ed585d7ef4d3
tree304db76162938793901eb4bda9592d0b51061df4tree | snapshot
parentcdccf128b0d8682efff597dbc938be48efe099c3commit | diff
nfp: bpf: fix code-gen bug on BPF_ALU | BPF_XOR | BPF_K

[ Upstream commit 71c190249f0ced5b26377ea6bf829ab3af77a40c ]

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

Fixes: cd7df56ed3e6 ("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>
drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c diff | blob | history
wrapfs-4.14.y