linux-kernel - Re: [PATCH 5/7] powerpc/ftrace: Update ftrace

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Date:   Wed, 19 Jun 2019 05:28:00 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>
Subject: Re: [PATCH 5/7] powerpc/ftrace: Update ftrace_location() for
 powerpc -mprofile-kernel

On Wed, 19 Jun 2019 13:26:37 +0530
"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com> wrote:

> > In include/ftrace.h:
> > 
> > #ifndef FTRACE_IP_EXTENSION
> > # define FTRACE_IP_EXTENSION	0
> > #endif
> > 
> > 
> > In arch/powerpc/include/asm/ftrace.h
> > 
> > #define FTRACE_IP_EXTENSION	MCOUNT_INSN_SIZE
> > 
> > 
> > Then we can just have:
> > 
> > unsigned long ftrace_location(unsigned long ip)
> > {
> > 	return ftrace_location_range(ip, ip + FTRACE_IP_EXTENSION);
> > }  
> 
> Thanks, that's indeed nice. I hope you don't mind me adding your SOB for 
> that.

Actually, it's best not to put a SOB by anyone other than yourself. It
actually has legal meaning.

In this case, please add:

Suggested-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

Thanks!

-- Steve