[PATCH v2] recordmcount: arm: Implement make_nop

[Rabin Vincent]

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 at arm.linux.org.uk>
> Cc: Rabin Vincent <rabin at rab.in>
> Signed-off-by: Stephen Boyd <sboyd at codeaurora.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 at rab.in>