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Commit becf91f1 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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[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: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent ec6743bb

kernel/trace/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -126,7 +126,7 @@ if FTRACE 
config FUNCTION_TRACER

	bool "Kernel Function Tracer"

	depends on HAVE_FUNCTION_TRACER

	select FRAME_POINTER if (!ARM_UNWIND)

	select FRAME_POINTER if !ARM_UNWIND && !S390

	select KALLSYMS

	select GENERIC_TRACER

	select CONTEXT_SWITCH_TRACER