RE: [PATCH 9/9] samples/bpf: test percpu array map
From: David Laight <hidden>
Date: 2016-01-12 15:47:52
Also in:
lkml
From: Ming Lei
Sent: 11 January 2016 15:57
...
quoted hunk ↗ jump to hunk
--- samples/bpf/test_maps.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+)diff --git a/samples/bpf/test_maps.c b/samples/bpf/test_maps.c index 6299ee9..ff5d373 100644 --- a/samples/bpf/test_maps.c +++ b/samples/bpf/test_maps.c@@ -142,6 +142,106 @@ static void test_arraymap_sanity(int i, void *data) close(map_fd); } +static int handle_one_cpu(unsigned cpu, void *val_cpu, void *val) +{ + unsigned long *cnt = val; + + *cnt += *(long *)val_cpu;
Integer pointer casts ring big alarm bells - they are accidents waiting to happen. If the pointers are 'pointer to long' then define them as such. David