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selftests/bpf: use typedef'ed arrays as map values 

Convert few tests that couldn't use typedef'ed arrays due to kernel bug.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Andrii Nakryiko 2019-07-12 10:25:57 -07:00 committed by Daniel Borkmann
parent dd13f3ca64
commit 8981e56fa1
3 changed files with 4 additions and 4 deletions
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3
tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
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@ -47,11 +47,12 @@ struct {
* issue and avoid complicated C programming massaging.
* This is an acceptable workaround since there is one entry here.
*/
typedef __u64 raw_stack_trace_t[2 * MAX_STACK_RAWTP];
struct {
__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
__uint(max_entries, 1);
__type(key, __u32);
__u64 (*value)[2 * MAX_STACK_RAWTP];
__type(value, raw_stack_trace_t);
} rawdata_map SEC(".maps");
SEC("tracepoint/raw_syscalls/sys_enter")

3
tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
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@ -36,8 +36,7 @@ struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 128);
__type(key, __u32);
/* there seems to be a bug in kernel not handling typedef properly */
struct bpf_stack_build_id (*value)[PERF_MAX_STACK_DEPTH];
__type(value, stack_trace_t);
} stack_amap SEC(".maps");
/* taken from /sys/kernel/debug/tracing/events/random/urandom_read/format */

2
tools/testing/selftests/bpf/progs/test_stacktrace_map.c
View File

@ -35,7 +35,7 @@ struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 16384);
__type(key, __u32);
__u64 (*value)[PERF_MAX_STACK_DEPTH];
__type(value, stack_trace_t);
} stack_amap SEC(".maps");
/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */