Re: [PATCH] selftests/ftrace: Do not use arch dependent do_IRQ as a target function

From: Steven Rostedt
Date: Tue Oct 31 2017 - 15:37:41 EST


On Fri, 27 Oct 2017 15:10:30 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:

> Instead using arch-dependent do_IRQ, use do_softirq as a
> target function.
>
> Applying do_IRQ to set_ftrace_filter always fail on arm/arm64 and any
> other architectures which don't define do_IRQ. So, instead of using
> that, use do_softirq which is defined in kernel/softirq.c.
>
> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>

Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

Shuah,

Can you take this in your tree?

Thanks!

-- Steve

> ---
> .../ftrace/test.d/ftrace/func_set_ftrace_file.tc | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
> index 113b4d9bc733..20f15c858af6 100644
> --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
> +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
> @@ -32,7 +32,7 @@ do_reset
>
> FILTER=set_ftrace_filter
> FUNC1="schedule"
> -FUNC2="do_IRQ"
> +FUNC2="do_softirq"
>
> ALL_FUNCS="#### all functions enabled ####"
>