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authorMichael Holzheu <holzheu@linux.vnet.ibm.com>2016-11-28 13:48:30 +0100
committerDavid S. Miller <davem@davemloft.net>2016-11-28 16:26:46 -0500
commit2dbb4c05d048995455857a7c2927a4297fc66c3b (patch)
tree41e787570b3556b00b59ffcba6d0ba826a62ebf2 /samples/bpf/trace_event_kern.c
parent7a99cd6e213685b78118382e6a8fed506c82ccb2 (diff)
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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/trace_event_kern.c')
-rw-r--r--samples/bpf/trace_event_kern.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/trace_event_kern.c b/samples/bpf/trace_event_kern.c
index 71a8ed32823e..41b6115a32eb 100644
--- a/samples/bpf/trace_event_kern.c
+++ b/samples/bpf/trace_event_kern.c
@@ -50,7 +50,7 @@ int bpf_prog1(struct bpf_perf_event_data *ctx)
key.userstack = bpf_get_stackid(ctx, &stackmap, USER_STACKID_FLAGS);
if ((int)key.kernstack < 0 && (int)key.userstack < 0) {
bpf_trace_printk(fmt, sizeof(fmt), cpu, ctx->sample_period,
- ctx->regs.ip);
+ PT_REGS_IP(&ctx->regs));
return 0;
}