Commit beaf70b8 authored Jun 04, 2015 by Markos Chandras Committed by Ralf Baechle Jun 21, 2015

MIPS: BPF: Use BPF register names to describe the ABI

Use the BPF register names instead of the arch register names to
document how the ABI is structured.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: linux-kernel@vger.kernel.org
Patchwork: http://patchwork.linux-mips.org/patch/10529/

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent 79a8855c

arch/mips/net/bpf_jit.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -30,10 +30,10 @@

		/* ABI
		*
		* s3 BPF register A
		* s4 BPF register X
		* s5 *skb
		* s6 *scratch memory
		* r_A BPF register A
		* r_X BPF register X
		* r_skb *skb
		* r_M *scratch memory
		*
		* On entry (bpf_func)(skb, *filter)
		* a0 = MIPS_R_A0 = skb;