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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-11-10 04:05:56 -0500 |
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committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-11-10 04:05:54 -0500 |
commit | becf91f18750cf1c60828aa2ee63a36b05c2e4d0 (patch) | |
tree | 3b97a843ef2aaad89250ec8b8897474ad0169c44 /kernel/trace | |
parent | ec6743bb06510c7b629603ce35713d6ae9273579 (diff) |
[S390] ftrace: build without frame pointers on s390
s390 doesn't need FRAME_POINTERS in order to have a working function tracer.
We don't need frame pointers in order to get strack traces since we always
have valid backchains by using the -mkernel-backchain gcc option.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index e04b8bcdef88..ea37e2ff4164 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig | |||
@@ -126,7 +126,7 @@ if FTRACE | |||
126 | config FUNCTION_TRACER | 126 | config FUNCTION_TRACER |
127 | bool "Kernel Function Tracer" | 127 | bool "Kernel Function Tracer" |
128 | depends on HAVE_FUNCTION_TRACER | 128 | depends on HAVE_FUNCTION_TRACER |
129 | select FRAME_POINTER if (!ARM_UNWIND) | 129 | select FRAME_POINTER if !ARM_UNWIND && !S390 |
130 | select KALLSYMS | 130 | select KALLSYMS |
131 | select GENERIC_TRACER | 131 | select GENERIC_TRACER |
132 | select CONTEXT_SWITCH_TRACER | 132 | select CONTEXT_SWITCH_TRACER |