kernel: add KERNEL_BPF_EVENTS config option

This is required to use BPF maps of type BPF_MAP_TYPE_PERF_EVENT_ARRAY
for sending data from BPF programs to user-space for post-processing
or logging.

Signed-off-by: Stijn Tintel <[email protected]>

config/Config-kernel.in

@@ -455,10 +455,20 @@ config KERNEL_KPROBE_EVENTS
 	bool
 	default y if KERNEL_KPROBES
 
+config KERNEL_BPF_EVENTS
+	bool "Compile the kernel with BPF event support"
+	default n
+	select KERNEL_KPROBES
+	help
+	  Allows to attach BPF programs to kprobe, uprobe and tracepoint events.
+	  This is required to use BPF maps of type BPF_MAP_TYPE_PERF_EVENT_ARRAY
+	  for sending data from BPF programs to user-space for post-processing
+	  or logging.
+
 config KERNEL_BPF_KPROBE_OVERRIDE
 	bool
-	depends on KERNEL_KPROBES
 	default n
+	depends on KERNEL_KPROBES
 
 config KERNEL_AIO
 	bool "Compile the kernel with asynchronous IO support"