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| author | Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> | 2016-04-04 22:31:34 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-06 16:01:29 -0400 |
| commit | 138d6153a139c318739f20e61309e5778427a73c (patch) | |
| tree | 0faa155a8266a068779ecc3c02e8c8098ead3275 /samples/bpf/spintest_kern.c | |
| parent | 128d1514be3583c3cfd56d66d7cdfba413b867ae (diff) | |
| download | linux-138d6153a139c318739f20e61309e5778427a73c.tar.bz2 | |
samples/bpf: Enable powerpc support
Add the necessary definitions for building bpf samples on ppc.
Since ppc doesn't store function return address on the stack, modify how
PT_REGS_RET() and PT_REGS_FP() work.
Also, introduce PT_REGS_IP() to access the instruction pointer.
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Naveen N. Rao <naveen.n.rao@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/spintest_kern.c')
| -rw-r--r-- | samples/bpf/spintest_kern.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/spintest_kern.c b/samples/bpf/spintest_kern.c index 4b27619d91a4..ce0167d09cdc 100644 --- a/samples/bpf/spintest_kern.c +++ b/samples/bpf/spintest_kern.c @@ -34,7 +34,7 @@ struct bpf_map_def SEC("maps") stackmap = { #define PROG(foo) \ int foo(struct pt_regs *ctx) \ { \ - long v = ctx->ip, *val; \ + long v = PT_REGS_IP(ctx), *val; \ \ val = bpf_map_lookup_elem(&my_map, &v); \ bpf_map_update_elem(&my_map, &v, &v, BPF_ANY); \ |