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authorMichael Holzheu <holzheu@linux.vnet.ibm.com>2016-11-28 15:48:30 +0300
committerDavid S. Miller <davem@davemloft.net>2016-11-29 00:26:46 +0300
commit2dbb4c05d048995455857a7c2927a4297fc66c3b (patch)
tree41e787570b3556b00b59ffcba6d0ba826a62ebf2 /samples/bpf/sampleip_kern.c
parent7a99cd6e213685b78118382e6a8fed506c82ccb2 (diff)
downloadlinux-2dbb4c05d048995455857a7c2927a4297fc66c3b.tar.xz
bpf/samples: Fix PT_REGS_IP on s390x and use it
The files "sampleip_kern.c" and "trace_event_kern.c" directly access "ctx->regs.ip" which is not available on s390x. Fix this and use the PT_REGS_IP() macro instead. Also fix the macro for s390x and use "psw.addr" from "pt_regs". Reported-by: Zvonko Kosic <zvonko.kosic@de.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples/bpf/sampleip_kern.c')
-rw-r--r--samples/bpf/sampleip_kern.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/sampleip_kern.c b/samples/bpf/sampleip_kern.c
index 774a681f374a..ceabf31079cf 100644
--- a/samples/bpf/sampleip_kern.c
+++ b/samples/bpf/sampleip_kern.c
@@ -25,7 +25,7 @@ int do_sample(struct bpf_perf_event_data *ctx)
u64 ip;
u32 *value, init_val = 1;
- ip = ctx->regs.ip;
+ ip = PT_REGS_IP(&ctx->regs);
value = bpf_map_lookup_elem(&ip_map, &ip);
if (value)
*value += 1;