linux-kernel - Re: [PATCH v2] recordmcount: arm: Implement make

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Date:	Tue, 2 Feb 2016 18:25:31 +0100
From:	Rabin Vincent <rabin@....in>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>
Subject: Re: [PATCH v2] recordmcount: arm: Implement make_nop

On Mon, Feb 01, 2016 at 04:06:23PM -0800, Stephen Boyd wrote:
> In similar spirit to x86 and arm64 support, add a make_nop_arm()
> to replace calls to mcount with nops in sections that aren't
> traced.
> 
> Cc: Russell King <linux@....linux.org.uk>
> Cc: Rabin Vincent <rabin@....in>
> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
> ---
> 
> Changes from v1:
>  * Replace with nops instead of pops
>  * Check for BE or LE kernel with elf headers
>  * Drop mcount style check because now we look at the previous
>    instruction to determine if it's a push (__gnu_mcount_nc) or not (mcount).

Acked-by: Rabin Vincent <rabin@....in>