[PATCH 5/7] arm: ftrace: Add ARCH_SUPPORTS_FTRACE_OPS for ftrace with regs
Abel Vesa
abelvesa at linux.com
Tue Dec 6 09:06:05 PST 2016
ARCH_SUPPORTS_FTRACE_OPS is needed for livepatch if
CONFIG_DYNAMIC_FTRACE_WITH_REGS is defined.
Signed-off-by: Abel Vesa <abelvesa at linux.com>
---
arch/arm/include/asm/ftrace.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index bfe2a2f..f434ce9 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -1,6 +1,10 @@
#ifndef _ASM_ARM_FTRACE
#define _ASM_ARM_FTRACE
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
+#define ARCH_SUPPORTS_FTRACE_OPS 1
+#endif
+
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_ADDR ((unsigned long)(__gnu_mcount_nc))
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
--
2.7.4
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