linux-kernel - [PATCH] riscv/ftrace: Fix the problem modules cannot find

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Message-ID: <1525749717-384-1-git-send-email-alankao@andestech.com>
Date:   Tue, 8 May 2018 11:21:57 +0800
From:   Alan Kao <alankao@...estech.com>
To:     Palmer Dabbelt <palmer@...ive.com>, Albert Ou <albert@...ive.com>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        "Steven Rostedt" <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
CC:     Alan Kao <alankao@...estech.com>,
        Greentime Hu <greentime@...estech.com>,
        Zong Li <zong@...estech.com>
Subject: [PATCH] riscv/ftrace: Fix the problem modules cannot find _mcount

Enabling ftrace and module support at the same time fails the kernel
build process, because modules cannot find the _mcount symbol.  This
patch fixes this issue.

Signed-off-by: Alan Kao <alankao@...estech.com>
Cc: Greentime Hu <greentime@...estech.com>
Cc: Zong Li <zong@...estech.com>
---
 arch/riscv/kernel/mcount.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/mcount.S b/arch/riscv/kernel/mcount.S
index ce9bdc57a2a1..5721624886a1 100644
--- a/arch/riscv/kernel/mcount.S
+++ b/arch/riscv/kernel/mcount.S
@@ -126,5 +126,5 @@ do_trace:
 	RESTORE_ABI_STATE
 	ret
 ENDPROC(_mcount)
-EXPORT_SYMBOL(_mcount)
 #endif
+EXPORT_SYMBOL(_mcount)
-- 
2.17.0