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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/kernel/armksyms.c
parent7e9501fdecdee8151938e624b41978307cadddd2 (diff)
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/kernel/armksyms.c')
-rw-r--r--arch/arm/kernel/armksyms.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 8214bfebfaca..e5e1e5387678 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -165,6 +165,8 @@ EXPORT_SYMBOL(_find_next_bit_be);
#endif
#ifdef CONFIG_FUNCTION_TRACER
+#ifdef CONFIG_OLD_MCOUNT
EXPORT_SYMBOL(mcount);
+#endif
EXPORT_SYMBOL(__gnu_mcount_nc);
#endif