From: Colin Ian King <colin.king@canonical.com>
Date: Mon, 7 Oct 2019 12:52:39 +0100
Subject: nfp: bpf: make array exp_mask static, makes object smaller
Patch-mainline: v5.5-rc1
Git-commit: 155283c3ac5e272f0178efba08ac62366ffdb86b
References: bsc#1154353
Don't populate the array exp_mask on the stack but instead make it
static. Makes the object code smaller by 224 bytes.
Before:
text data bss dec hex filename
77832 2290 0 80122 138fa ethernet/netronome/nfp/bpf/jit.o
After:
text data bss dec hex filename
77544 2354 0 79898 1381a ethernet/netronome/nfp/bpf/jit.o
(gcc version 9.2.1, amd64)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/netronome/nfp/bpf/jit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c
@@ -3952,7 +3952,7 @@ static void nfp_bpf_opt_neg_add_sub(stru
static void nfp_bpf_opt_ld_mask(struct nfp_prog *nfp_prog)
{
struct nfp_insn_meta *meta1, *meta2;
- const s32 exp_mask[] = {
+ static const s32 exp_mask[] = {
[BPF_B] = 0x000000ffU,
[BPF_H] = 0x0000ffffU,
[BPF_W] = 0xffffffffU,