linux-kernel - [for-next][PATCH 03/12] perf/core: allow ftrace for functions in kernel/event/core.c

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Date:   Tue, 26 Oct 2021 12:23:18 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        KP Singh <kpsingh@...nel.org>, Song Liu <songliubraving@...com>
Subject: [for-next][PATCH 03/12] perf/core: allow ftrace for functions in kernel/event/core.c

From: Song Liu <songliubraving@...com>

It is useful to trace functions in kernel/event/core.c. Allow ftrace for
them by removing $(CC_FLAGS_FTRACE) from Makefile.

Link: https://lkml.kernel.org/r/20211006210732.2826289-1-songliubraving@fb.com

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Andrii Nakryiko <andrii@...nel.org>
Cc: KP Singh <kpsingh@...nel.org>
Signed-off-by: Song Liu <songliubraving@...com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 kernel/events/Makefile | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/kernel/events/Makefile b/kernel/events/Makefile
index 3c022e33c109..8591c180b52b 100644
--- a/kernel/events/Makefile
+++ b/kernel/events/Makefile
@@ -1,10 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-ifdef CONFIG_FUNCTION_TRACER
-CFLAGS_REMOVE_core.o = $(CC_FLAGS_FTRACE)
-endif
-
 obj-y := core.o ring_buffer.o callchain.o
 
 obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
 obj-$(CONFIG_UPROBES) += uprobes.o
-
-- 
2.33.0