linux-kernel - [PATCH v6 3/7] perf/bpf: Remove #ifdef CONFIG_BPF_SYSCALL from struct perf

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Message-Id: <20240412015019.7060-4-khuey@kylehuey.com>
Date: Thu, 11 Apr 2024 18:50:15 -0700
From: Kyle Huey <me@...ehuey.com>
To: Kyle Huey <khuey@...ehuey.com>,
	linux-kernel@...r.kernel.org,
	Andrii Nakryiko <andrii.nakryiko@...il.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Marco Elver <elver@...gle.com>,
	Yonghong Song <yonghong.song@...ux.dev>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Robert O'Callahan <robert@...llahan.org>,
	bpf@...r.kernel.org,
	Ingo Molnar <mingo@...hat.com>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-perf-users@...r.kernel.org
Subject: [PATCH v6 3/7] perf/bpf: Remove #ifdef CONFIG_BPF_SYSCALL from struct perf_event members

This will allow __perf_event_overflow() (which is independent of
CONFIG_BPF_SYSCALL) to use struct perf_event's prog to decide whether to
call bpf_overflow_handler().

Suggested-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Kyle Huey <khuey@...ehuey.com>
---
 include/linux/perf_event.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index d2a15c0c6f8a..07cd4722dedb 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -809,11 +809,9 @@ struct perf_event {
 	u64				(*clock)(void);
 	perf_overflow_handler_t		overflow_handler;
 	void				*overflow_handler_context;
-#ifdef CONFIG_BPF_SYSCALL
 	perf_overflow_handler_t		orig_overflow_handler;
 	struct bpf_prog			*prog;
 	u64				bpf_cookie;
-#endif
 
 #ifdef CONFIG_EVENT_TRACING
 	struct trace_event_call		*tp_event;
-- 
2.34.1