tree 0faa155a8266a068779ecc3c02e8c8098ead3275
parent 128d1514be3583c3cfd56d66d7cdfba413b867ae
author Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> 1459789294 +0530
committer David S. Miller <davem@davemloft.net> 1459972889 -0400

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>