From: Ingo Molnar Date: Sat, 19 Oct 2019 07:15:27 +0000 (+0200) Subject: perf/core: Fix !CONFIG_PERF_EVENTS build warnings and failures X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ae79d5588a04aec9dc4b0c6df700d131447306e0;p=linux.git 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: da97e18458fb: ("perf_event: Add support for LSM and SELinux checks") Cc: "Joel Fernandes (Google)" Cc: linux-kernel@vger.kernel.org Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Alexander Shishkin Cc: Mark Rutland Cc: Namhyung Kim Signed-off-by: Ingo Molnar --- diff --git a/include/linux/security.h b/include/linux/security.h index 4df79ffdc3a05..0a86bfea64d05 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -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);