linux-kernel - Re: [PATCHv2 net 3/3] samples/bpf: Enable powerpc support

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Message-Id: <20160406.160213.1279487084800637522.davem@davemloft.net>
Date:	Wed, 06 Apr 2016 16:02:13 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	naveen.n.rao@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	netdev@...r.kernel.org, ast@...com, daniel@...earbox.net,
	ananth@...ibm.com, mpe@...erman.id.au
Subject: Re: [PATCHv2 net 3/3] samples/bpf: Enable powerpc support

From: "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Date: Mon,  4 Apr 2016 22:31:34 +0530

> 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@...com>
> Cc: Daniel Borkmann <daniel@...earbox.net>
> Cc: David S. Miller <davem@...emloft.net>
> Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Signed-off-by: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>

Applied.