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Date: Mon, 4 Apr 2016 10:24:42 -0700
From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        netdev@vger.kernel.org, Alexei Starovoitov <ast@fb.com>,
        Daniel Borkmann <daniel@iogearbox.net>,
        "David S . Miller" <davem@davemloft.net>,
        Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
        Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCHv2 net 3/3] samples/bpf: Enable powerpc support
Message-ID: <20160404172441.GB67762@ast-mbp.thefacebook.com>
References: <5ab5eec91d2d0bc7f221d714ef84afac83b2604b.1459789086.git.naveen.n.rao@linux.vnet.ibm.com>
 <28d2e09a7db94a0a71b3222b3e5ffacb0d4a8dd7.1459789086.git.naveen.n.rao@linux.vnet.ibm.com>
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On Mon, Apr 04, 2016 at 10:31:34PM +0530, Naveen N. Rao wrote:
> 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>