bpf: add BPF_CALL_x macros for declaring helpers

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

diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index bf4495f..732ae16 100644 (file)
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -116,10 +116,9 @@ free_smap:
        return ERR_PTR(err);
 }
 
-u64 bpf_get_stackid(u64 r1, u64 r2, u64 flags, u64 r4, u64 r5)
+BPF_CALL_3(bpf_get_stackid, struct pt_regs *, regs, struct bpf_map *, map,
+          u64, flags)
 {
-       struct pt_regs *regs = (struct pt_regs *) (long) r1;
-       struct bpf_map *map = (struct bpf_map *) (long) r2;
        struct bpf_stack_map *smap = container_of(map, struct bpf_stack_map, map);
        struct perf_callchain_entry *trace;
        struct stack_map_bucket *bucket, *new_bucket, *old_bucket;