Commit ae79d558 authored Oct 19, 2019 by Ingo Molnar

perf/core: Fix !CONFIG_PERF_EVENTS build warnings and failures



sparc64 runs into this warning:

  include/linux/security.h:1913:52: warning: 'struct perf_event' declared inside parameter list will not be visible outside of this definition or declaration

which is escalated to a build error in some of the .c files due to -Werror.

Fix it via a forward declaration, like we do for perf_event_attr, the stub inlines
don't actually need to know the structure of this struct.

Fixes: da97e184: ("perf_event: Add support for LSM and SELinux checks")
Cc: "Joel Fernandes (Google)" <joel@joelfernandes.org>
Cc: linux-kernel@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent d7e78706

include/linux/security.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -1896,6 +1896,7 @@ static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)

		#ifdef CONFIG_PERF_EVENTS
		struct perf_event_attr;
		struct perf_event;

		#ifdef CONFIG_SECURITY
		extern int security_perf_event_open(struct perf_event_attr *attr, int type);

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