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Date: Wed, 10 Aug 2016 09:45:39 -0700
From: Alexei Starovoitov <ast@...com>
To: "David S . Miller" <davem@...emloft.net>
CC: Daniel Borkmann <daniel@...earbox.net>, Adam Barth <arb@...com>,
<netdev@...r.kernel.org>, <kernel-team@...com>
Subject: [PATCH net-next] samples/bpf: fix bpf_perf_event_output prototype
From: Adam Barth <arb@...com>
The commit 555c8a8623a3 ("bpf: avoid stack copy and use skb ctx for event output")
started using 20 of initially reserved upper 32-bits of 'flags' argument
in bpf_perf_event_output(). Adjust corresponding prototype in samples/bpf/bpf_helpers.h
Signed-off-by: Adam Barth <arb@...com>
Signed-off-by: Alexei Starovoitov <ast@...nel.org>
Acked-by: Daniel Borkmann <daniel@...earbox.net>
---
samples/bpf/bpf_helpers.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h
index 217c8d507f2e..cbc52df165b4 100644
--- a/samples/bpf/bpf_helpers.h
+++ b/samples/bpf/bpf_helpers.h
@@ -37,7 +37,9 @@ static int (*bpf_clone_redirect)(void *ctx, int ifindex, int flags) =
(void *) BPF_FUNC_clone_redirect;
static int (*bpf_redirect)(int ifindex, int flags) =
(void *) BPF_FUNC_redirect;
-static int (*bpf_perf_event_output)(void *ctx, void *map, int index, void *data, int size) =
+static int (*bpf_perf_event_output)(void *ctx, void *map,
+ unsigned long long flags, void *data,
+ int size) =
(void *) BPF_FUNC_perf_event_output;
static int (*bpf_get_stackid)(void *ctx, void *map, int flags) =
(void *) BPF_FUNC_get_stackid;
--
2.8.0
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