linux-kernel - Re: [RFC PATCH 02/14] ftrace: Fix DYNAMIC_FTRACE_WITH_DIRECT

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Message-ID: <20201130213602.3647f2b8@oasis.local.home>
Date:   Mon, 30 Nov 2020 21:36:02 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        <linux-kernel@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [RFC PATCH 02/14] ftrace: Fix DYNAMIC_FTRACE_WITH_DIRECT_CALLS
 dependency

On Thu, 26 Nov 2020 23:38:39 +0530
"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com> wrote:

> DYNAMIC_FTRACE_WITH_DIRECT_CALLS should depend on
> DYNAMIC_FTRACE_WITH_REGS since we need ftrace_regs_caller().
> 
> Fixes: 763e34e74bb7d5c ("ftrace: Add register_ftrace_direct()")
> Signed-off-by: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>

I'm pulling this in for stable as well.

-- Steve

> ---
>  kernel/trace/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> index a4020c0b4508c9..e1bf5228fb692a 100644
> --- a/kernel/trace/Kconfig
> +++ b/kernel/trace/Kconfig
> @@ -202,7 +202,7 @@ config DYNAMIC_FTRACE_WITH_REGS
>  
>  config DYNAMIC_FTRACE_WITH_DIRECT_CALLS
>  	def_bool y
> -	depends on DYNAMIC_FTRACE
> +	depends on DYNAMIC_FTRACE_WITH_REGS
>  	depends on HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
>  
>  config FUNCTION_PROFILER