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Message-Id: <1475102857-23672-1-git-send-email-jakub.kicinski@netronome.com> Date: Wed, 28 Sep 2016 23:47:37 +0100 From: Jakub Kicinski <jakub.kicinski@...ronome.com> To: netdev@...r.kernel.org Cc: Jakub Kicinski <jakub.kicinski@...ronome.com> Subject: [PATCH net-next] 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@...ronome.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
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