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authorMichael Holzheu <holzheu@linux.vnet.ibm.com>2015-07-06 17:20:07 +0300
committerDavid S. Miller <davem@davemloft.net>2015-07-09 01:17:45 +0300
commitd912557b346099584bbbfa8d3c1e101c46e33b59 (patch)
tree2752bc31be26f1c27776a0d52439efdd81f9eed7 /samples/bpf/tracex3_kern.c
parent7baaa9092dedad5f670a7b1716b2ce9e1175ba02 (diff)
downloadlinux-d912557b346099584bbbfa8d3c1e101c46e33b59.tar.xz
samples: bpf: enable trace samples for s390x
The trace bpf samples do not compile on s390x because they use x86 specific fields from the "pt_regs" structure. Fix this and access the fields via new PT_REGS macros. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples/bpf/tracex3_kern.c')
-rw-r--r--samples/bpf/tracex3_kern.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/samples/bpf/tracex3_kern.c b/samples/bpf/tracex3_kern.c
index 255ff2792366..bf337fbb0947 100644
--- a/samples/bpf/tracex3_kern.c
+++ b/samples/bpf/tracex3_kern.c
@@ -23,7 +23,7 @@ struct bpf_map_def SEC("maps") my_map = {
SEC("kprobe/blk_mq_start_request")
int bpf_prog1(struct pt_regs *ctx)
{
- long rq = ctx->di;
+ long rq = PT_REGS_PARM1(ctx);
u64 val = bpf_ktime_get_ns();
bpf_map_update_elem(&my_map, &rq, &val, BPF_ANY);
@@ -51,7 +51,7 @@ struct bpf_map_def SEC("maps") lat_map = {
SEC("kprobe/blk_update_request")
int bpf_prog2(struct pt_regs *ctx)
{
- long rq = ctx->di;
+ long rq = PT_REGS_PARM1(ctx);
u64 *value, l, base;
u32 index;