linux-kernel - [PATCH 5.10 078/103] riscv: Fixup wrong ftrace remove cflag

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Date:   Wed,  1 Sep 2021 14:28:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Dimitri John Ledkov <dimitri.ledkov@...onical.com>
Subject: [PATCH 5.10 078/103] riscv: Fixup wrong ftrace remove cflag

From: Guo Ren <guoren@...ux.alibaba.com>

commit 67d945778099b14324811fe67c5aff2cda7a7ad5 upstream.

We must use $(CC_FLAGS_FTRACE) instead of directly using -pg. It
will cause -fpatchable-function-entry error.

Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@...gle.com>
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@...onical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/riscv/kernel/Makefile |    4 ++--
 arch/riscv/mm/Makefile     |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -4,8 +4,8 @@
 #
 
 ifdef CONFIG_FTRACE
-CFLAGS_REMOVE_ftrace.o	= -pg
-CFLAGS_REMOVE_patch.o	= -pg
+CFLAGS_REMOVE_ftrace.o	= $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_patch.o	= $(CC_FLAGS_FTRACE)
 endif
 
 extra-y += head.o
--- a/arch/riscv/mm/Makefile
+++ b/arch/riscv/mm/Makefile
@@ -2,7 +2,7 @@
 
 CFLAGS_init.o := -mcmodel=medany
 ifdef CONFIG_FTRACE
-CFLAGS_REMOVE_init.o = -pg
+CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE)
 endif
 
 KCOV_INSTRUMENT_init.o := n