On Thu, 2015-11-19 at 18:11 +0000, Will Deacon wrote:
> As illustrated by a3afe70b83fd ("[S390] latencytop s390 support."),
> HAVE_LATENCYTOP_SUPPORT is defined by an architecture to advertise an
> implementation of save_stack_trace_tsk.
>
> However, as of 9212ddb5eada ("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.
>
> Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> Cc: James Hogan <james.hogan@xxxxxxxxxx>
> Cc: Michal Simek <monstr@xxxxxxxxx>
> Cc: Helge Deller <deller@xxxxxx>
> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Guan Xuetao <gxt@xxxxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
> ---
> arch/powerpc/Kconfig | 3 ---
LGTM.
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
cheers
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