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authorYonghong Song <yhs@fb.com>2017-10-05 18:19:19 +0200
committerDavid S. Miller <davem@davemloft.net>2017-10-08 00:05:57 +0200
commit97562633bcbac4a07d605ae628d7655fa71caaf5 (patch)
treee1bda190d84a5f9d430b90c3b4934e71be441beb /kernel/bpf
parentip_tunnel: add mpls over gre support (diff)
downloadlinux-97562633bcbac4a07d605ae628d7655fa71caaf5.tar.xz
linux-97562633bcbac4a07d605ae628d7655fa71caaf5.zip
bpf: perf event change needed for subsequent bpf helpers
This patch does not impact existing functionalities. It contains the changes in perf event area needed for subsequent bpf_perf_event_read_value and bpf_perf_prog_read_value helpers. Signed-off-by: Yonghong Song <yhs@fb.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/bpf')
-rw-r--r--kernel/bpf/arraymap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 98c0f00c3f5e..68d866628be0 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -492,7 +492,7 @@ static void *perf_event_fd_array_get_ptr(struct bpf_map *map,
ee = ERR_PTR(-EOPNOTSUPP);
event = perf_file->private_data;
- if (perf_event_read_local(event, &value) == -EOPNOTSUPP)
+ if (perf_event_read_local(event, &value, NULL, NULL) == -EOPNOTSUPP)
goto err_out;
ee = bpf_event_entry_gen(perf_file, map_file);