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authorRabin Vincent <rabin@rab.in>2010-08-10 19:32:37 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-09-02 15:24:53 +0100
commit09bfafac3e237415cc4b6adde49f9f28b3a42659 (patch)
tree980006ad889a1395140dba2a3718ead537975df3 /arch/arm/Kconfig.debug
parent7e9501fdecdee8151938e624b41978307cadddd2 (diff)
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ARM: 6314/1: ftrace: allow build without frame pointers on ARM
With a new enough GCC, ARM function tracing can be supported without the need for frame pointers. This is essential for Thumb-2 support, since frame pointers aren't available then. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig.debug')
-rw-r--r--arch/arm/Kconfig.debug5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 91344af75f39..4dbce538fec4 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -27,6 +27,11 @@ config ARM_UNWIND
the performance is not affected. Currently, this feature
only works with EABI compilers. If unsure say Y.
+config OLD_MCOUNT
+ bool
+ depends on FUNCTION_TRACER && FRAME_POINTER
+ default y
+
config DEBUG_USER
bool "Verbose user fault messages"
help