[PATCH 04/10] ARM: ftrace: allow building without frame pointers
From: rostedt@goodmis.org (Steven Rostedt)
Date: 2010-02-23 13:49:22
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On Sun, 2010-02-14 at 01:18 +0530, Rabin Vincent wrote:
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. Signed-off-by: Rabin Vincent <redacted>
quoted hunk ↗ jump to hunk
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 6c22d8a..7468ffe 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig@@ -126,7 +126,7 @@ if FTRACE config FUNCTION_TRACER bool "Kernel Function Tracer" depends on HAVE_FUNCTION_TRACER - select FRAME_POINTER + select FRAME_POINTER if (!ARM_UNWIND) select KALLSYMS select GENERIC_TRACER select CONTEXT_SWITCH_TRACER
Ah, evolution is keeping these patches out of order, so I did not see this change before commenting about the change to the Makefile. A better comment is needed in the Makefile. -- Steve