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Kconfig: remove HAVE_LATENCYTOP_SUPPORT

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As illustrated by commit a3afe70b83 ("[S390] latencytop s390
support."), HAVE_LATENCYTOP_SUPPORT is defined by an architecture to
advertise an implementation of save_stack_trace_tsk.

However, as of 9212ddb5ea ("stacktrace: provide save_stack_trace_tsk()
weak alias") a dummy implementation is provided if STACKTRACE=y.  Given
that LATENCYTOP already depends on STACKTRACE_SUPPORT and selects
STACKTRACE, we can remove HAVE_LATENCYTOP_SUPPORT altogether.

Signed-off-by: Will Deacon <[email protected]>
Acked-by: Heiko Carstens <[email protected]>
Cc: Vineet Gupta <[email protected]>
Cc: Russell King <[email protected]>
Cc: James Hogan <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Helge Deller <[email protected]>
Acked-by: Michael Ellerman <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Guan Xuetao <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Will Deacon 2016-01-15 16:58:07 -08:00 • committed by Linus Torvalds
commit da48d094ce
12 changed files with 0 additions and 37 deletions
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3
arch/microblaze/Kconfig
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@ -67,9 +67,6 @@ config STACKTRACE_SUPPORT
config LOCKDEP_SUPPORT
def_bool y
config HAVE_LATENCYTOP_SUPPORT
def_bool y
source "init/Kconfig"
source "kernel/Kconfig.freezer"