[PATCH net-next] nfp: bpf: zero extend 4 byte context loads

[Jakub Kicinski]

Set upper 32 bits of destination register to zeros after
load from the context structure.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_bpf_jit.c | 2 ++
 1 file changed, 2 insertions(+)

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;
 }
 
-- 
1.9.1