Re: [PATCH AUTOSEL 4.19 08/60] MIPS: ftrace: Remove redundant #ifdef CONFIG_DYNAMIC_FTRACE

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Hello!

On 27.10.2020 3:03, Sasha Levin wrote:

From: Zejiang Tang <tangzejiang@xxxxxxxxxxx>

[ Upstream commit 39116103a7345927fa99644d08bc0cc9d45fea6f ]

There exists redundant #ifdef CONFIG_DYNAMIC_FTRACE in ftrace.c, remove it.

Signed-off-by: Zejiang Tang <tangzejiang@xxxxxxxxxxx>
Reviewed-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
  arch/mips/kernel/ftrace.c | 4 ----
  1 file changed, 4 deletions(-)

diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index b122cbb4aad18..7dd52da55907f 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -37,10 +37,6 @@ void arch_ftrace_update_code(int command)
  	ftrace_modify_all_code(command);
  }
-#endif
-
-#ifdef CONFIG_DYNAMIC_FTRACE
-
  #define JAL 0x0c000000		/* jump & link: ip --> ra, jump to target */
  #define ADDR_MASK 0x03ffffff	/*  op_code|addr : 31...26|25 ....0 */
  #define JUMP_RANGE_MASK ((1UL << 28) - 1)

   Are you sure this is neccessary in -stable? What bug does it fix?

MBR, Sergei



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