From: Markos Chandras <markos.chandras@imgtec.com>
Date: Thu, 4 Jun 2015 10:56:15 +0000 (+0100)
Subject: MIPS: BPF: Use BPF register names to describe the ABI
X-Git-Tag: v5.15~15539^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=beaf70b8b7d025e7293ac013b198fc550ee2d3ec;p=platform%2Fkernel%2Flinux-starfive.git

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>
---

diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index 954df29..f0db4f8 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -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;