* [PATCH net-next] nfp: bpf: zero extend 4 byte context loads
@ 2016-09-28 22:47 Jakub Kicinski
2016-09-30 6:10 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Jakub Kicinski @ 2016-09-28 22:47 UTC (permalink / raw)
To: netdev; +Cc: Jakub Kicinski
Set upper 32 bits of destination register to zeros after
load from the context structure.
Signed-off-by: Jakub Kicinski <jakub.kicinski@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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next] nfp: bpf: zero extend 4 byte context loads
2016-09-28 22:47 [PATCH net-next] nfp: bpf: zero extend 4 byte context loads Jakub Kicinski
@ 2016-09-30 6:10 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2016-09-30 6:10 UTC (permalink / raw)
To: jakub.kicinski; +Cc: netdev
From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Wed, 28 Sep 2016 23:47:37 +0100
> Set upper 32 bits of destination register to zeros after
> load from the context structure.
>
> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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