[PATCH net-next] nfp: bpf: zero extend 4 byte context loads
flat view
STALE3668d
From: Jakub Kicinski <hidden>
Date: 2016-09-28 22:47:49
Subsystem:
netronome ethernet drivers, networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Set upper 32 bits of destination register to zeros after load from the context structure. Signed-off-by: Jakub Kicinski <redacted> --- 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