diff options
| author | David S. Miller <davem@davemloft.net> | 2015-06-09 06:06:56 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-09 06:06:56 +0300 |
| commit | 941742f49762ba4c908510f036b09a46c1b14513 (patch) | |
| tree | aafb7a72c2072f98889406668003234bed56df02 /arch/s390/net/bpf_jit_comp.c | |
| parent | ac7ba51c215db5739eb640f2f26025ced8668285 (diff) | |
| parent | 5879ae5fd052a63d5ac0684320cb7df3e83da7de (diff) | |
| download | linux-941742f49762ba4c908510f036b09a46c1b14513.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/s390/net/bpf_jit_comp.c')
| -rw-r--r-- | arch/s390/net/bpf_jit_comp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 20c146d1251a..55423d8be580 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -384,13 +384,16 @@ static void bpf_jit_prologue(struct bpf_jit *jit) } /* Setup stack and backchain */ if (jit->seen & SEEN_STACK) { - /* lgr %bfp,%r15 (BPF frame pointer) */ - EMIT4(0xb9040000, BPF_REG_FP, REG_15); + if (jit->seen & SEEN_FUNC) + /* lgr %w1,%r15 (backchain) */ + EMIT4(0xb9040000, REG_W1, REG_15); + /* la %bfp,STK_160_UNUSED(%r15) (BPF frame pointer) */ + EMIT4_DISP(0x41000000, BPF_REG_FP, REG_15, STK_160_UNUSED); /* aghi %r15,-STK_OFF */ EMIT4_IMM(0xa70b0000, REG_15, -STK_OFF); if (jit->seen & SEEN_FUNC) - /* stg %bfp,152(%r15) (backchain) */ - EMIT6_DISP_LH(0xe3000000, 0x0024, BPF_REG_FP, REG_0, + /* stg %w1,152(%r15) (backchain) */ + EMIT6_DISP_LH(0xe3000000, 0x0024, REG_W1, REG_0, REG_15, 152); } /* |