[PATCH 5/6] MIPS: net: BPF: Use BPF register names to describe the ABI

From: Markos Chandras
Date: Thu Jun 04 2015 - 06:57:43 EST


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

Cc: netdev@xxxxxxxxxxxxxxx
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxxxx>
Cc: Daniel Borkmann <dborkman@xxxxxxxxxx>
Cc: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx>
---
arch/mips/net/bpf_jit.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index 954df295f945..f0db4f8310b2 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;
--
2.4.2

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