bpf: introduce bpf_perf_event_output() helper

[cascardo/linux.git] / kernel / bpf / arraymap.c

diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index f2d9e69..e3cfe46 100644 (file)
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -295,6 +295,8 @@ static void *perf_event_fd_array_get_ptr(struct bpf_map *map, int fd)
                return (void *)attr;
 
        if (attr->type != PERF_TYPE_RAW &&
+           !(attr->type == PERF_TYPE_SOFTWARE &&
+             attr->config == PERF_COUNT_SW_BPF_OUTPUT) &&
            attr->type != PERF_TYPE_HARDWARE) {
                perf_event_release_kernel(event);
                return ERR_PTR(-EINVAL);