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* [PATCH] riscv/ftrace: Fix the problem modules cannot find _mcount
@ 2018-05-08  3:21 Alan Kao
  2018-05-08 13:11 ` Steven Rostedt
  2018-06-04 20:30 ` Palmer Dabbelt
  0 siblings, 2 replies; 7+ messages in thread
From: Alan Kao @ 2018-05-08  3:21 UTC (permalink / raw)
  To: Palmer Dabbelt, Albert Ou, linux-riscv, linux-kernel,
	Steven Rostedt, Ingo Molnar
  Cc: Alan Kao, Greentime Hu, Zong Li

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@andestech.com>
Cc: Greentime Hu <greentime@andestech.com>
Cc: Zong Li <zong@andestech.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

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2018-06-05  1:13 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-05-08  3:21 [PATCH] riscv/ftrace: Fix the problem modules cannot find _mcount Alan Kao
2018-05-08 13:11 ` Steven Rostedt
2018-05-09  2:36   ` Alan Kao
2018-05-09  3:02     ` Steven Rostedt
2018-06-04 20:30 ` Palmer Dabbelt
2018-06-04 20:30   ` [PATCH] riscv/ftrace: Export _mcount when FUNCTION_GRAPH_TRACER isn't set Palmer Dabbelt
2018-06-05  1:12     ` Alan Kao

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