diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2016-09-28 23:47:37 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-09-30 02:10:15 -0400 |
| commit | 6cd80b55471515e0102760b59034ded000c35a09 (patch) | |
| tree | b9c05ea1d830574a6f1cab1ec30e314c8e81f2cf | |
| parent | 5038056e6bd45788235e97e3bcfc43f96c52ca84 (diff) | |
| download | linux-6cd80b55471515e0102760b59034ded000c35a09.tar.bz2 | |
nfp: bpf: zero extend 4 byte context loads
Set upper 32 bits of destination register to zeros after
load from the context structure.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c b/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c index 3de819acd68c..f8df5300f49c 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c @@ -1134,6 +1134,8 @@ static int mem_ldx4(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta) else return -ENOTSUPP; + wrp_immed(nfp_prog, reg_both(meta->insn.dst_reg * 2 + 1), 0); + return 0; } |