Re: [RFA][PATCH 22/27] microblaze: ftrace: Remove check of obsolete variable function_trace_stop

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Michal,

Can you please ack this patch.

Thanks!

-- Steve


On Thu, 26 Jun 2014 12:52:43 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> From: "Steven Rostedt (Red Hat)" <rostedt@xxxxxxxxxxx>
> 
> Nothing sets function_trace_stop to disable function tracing anymore.
> Remove the check for it in the arch code.
> 
> [ Please test this on your arch ]
> 
> Cc: Michal Simek <monstr@xxxxxxxxx>
> Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
> ---
>  arch/microblaze/Kconfig         | 1 -
>  arch/microblaze/kernel/mcount.S | 5 -----
>  2 files changed, 6 deletions(-)
> 
> diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
> index 9ae08541e30d..40e1c1dd0e24 100644
> --- a/arch/microblaze/Kconfig
> +++ b/arch/microblaze/Kconfig
> @@ -22,7 +22,6 @@ config MICROBLAZE
>  	select HAVE_DYNAMIC_FTRACE
>  	select HAVE_FTRACE_MCOUNT_RECORD
>  	select HAVE_FUNCTION_GRAPH_TRACER
> -	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
>  	select HAVE_FUNCTION_TRACER
>  	select HAVE_MEMBLOCK
>  	select HAVE_MEMBLOCK_NODE_MAP
> diff --git a/arch/microblaze/kernel/mcount.S b/arch/microblaze/kernel/mcount.S
> index fc1e1322ce4c..fed9da5de8c4 100644
> --- a/arch/microblaze/kernel/mcount.S
> +++ b/arch/microblaze/kernel/mcount.S
> @@ -91,11 +91,6 @@ ENTRY(ftrace_caller)
>  #endif /* CONFIG_DYNAMIC_FTRACE */
>  	SAVE_REGS
>  	swi	r15, r1, 0;
> -	/* MS: HAVE_FUNCTION_TRACE_MCOUNT_TEST begin of checking */
> -	lwi	r5, r0, function_trace_stop;
> -	bneid	r5, end;
> -	nop;
> -	/* MS: HAVE_FUNCTION_TRACE_MCOUNT_TEST end of checking */
>  #ifdef CONFIG_FUNCTION_GRAPH_TRACER
>  #ifndef CONFIG_DYNAMIC_FTRACE
>  	lwi	r5, r0, ftrace_graph_return;

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