disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/include/trace/bpf_probe.h
..
..
@@ -69,24 +69,52 @@
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  * to make sure that if the tracepoint handling changes, the
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  * bpf probe will fail to compile unless it too is updated.
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  */
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-#undef DEFINE_EVENT
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-#define DEFINE_EVENT(template, call, proto, args)			\
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+#define __DEFINE_EVENT(template, call, proto, args, size)		\
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 static inline void bpf_test_probe_##call(void)				\
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 {									\
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 	check_trace_callback_type_##call(__bpf_trace_##template);	\
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 }									\
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-static struct bpf_raw_event_map	__used					\
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-	__attribute__((section("__bpf_raw_tp_map")))			\
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-__bpf_trace_tp_map_##call = {						\
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-	.tp		= &__tracepoint_##call,				\
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-	.bpf_func	= (void *)__bpf_trace_##template,		\
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-	.num_args	= COUNT_ARGS(args),				\
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+typedef void (*btf_trace_##call)(void *__data, proto);			\
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+static union {								\
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+	struct bpf_raw_event_map event;					\
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+	btf_trace_##call handler;					\
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+} __bpf_trace_tp_map_##call __used					\
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+__section("__bpf_raw_tp_map") = {					\
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+	.event = {							\
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+		.tp		= &__tracepoint_##call,			\
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+		.bpf_func	= __bpf_trace_##template,		\
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+		.num_args	= COUNT_ARGS(args),			\
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+		.writable_size	= size,					\
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+	},								\
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 };
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+#define FIRST(x, ...) x
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+
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+#undef DEFINE_EVENT_WRITABLE
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+#define DEFINE_EVENT_WRITABLE(template, call, proto, args, size)	\
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+static inline void bpf_test_buffer_##call(void)				\
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+{									\
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+	/* BUILD_BUG_ON() is ignored if the code is completely eliminated, but \
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+	 * BUILD_BUG_ON_ZERO() uses a different mechanism that is not	\
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+	 * dead-code-eliminated.					\
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+	 */								\
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+	FIRST(proto);							\
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+	(void)BUILD_BUG_ON_ZERO(size != sizeof(*FIRST(args)));		\
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+}									\
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+__DEFINE_EVENT(template, call, PARAMS(proto), PARAMS(args), size)
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+
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+#undef DEFINE_EVENT
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+#define DEFINE_EVENT(template, call, proto, args)			\
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+	__DEFINE_EVENT(template, call, PARAMS(proto), PARAMS(args), 0)
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 #undef DEFINE_EVENT_PRINT
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 #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
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 	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
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 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
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+
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+#undef DEFINE_EVENT_WRITABLE
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+#undef __DEFINE_EVENT
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+#undef FIRST
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+
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 #endif /* CONFIG_BPF_EVENTS */