[RFC][PATCH] tunables: Add elision tunable

[Tulio Magno Quites Machado Filho]

rcardoso <rcardoso@linux.vnet.ibm.com> writes:

> This patch adds several new tunables to control the behavior of
> elision on supported platforms.  This also disables elision
> by default on powerpc.
>
> This patch was initially proposed by Paul Murphy[1] but was
> "staled" because the framework have changed since the patch was
> originally proposed.
>
> [1] https://patchwork.sourceware.org/patch/10342/
>
> 2017-06-06  Rogerio A. Cardoso  <rcardoso@linux.vnet.ibm.com>,
> 	    Paul E. Murphy  <murphyp@linux.vnet.ibm.com>
>
> 	* elf/dl-tunables.list: Add elision parameters.
> 	* manual/tunables.texi: Add entries about elision tunable.
> 	* sysdeps/unix/sysv/linux/powerpc/elision-conf.c:
> 	Add callback functions to dynamically enable/disable elision.
> 	Add multiple callbacks functions to set elision parameters.
> 	* sysdeps/unix/sysv/linux/s390/elision-conf.c: Likewise.
> 	* sysdeps/unix/sysv/linux/x86/elision-conf.c: Likewise.

Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>

I'm going to push it later today.

Thanks!

-- 
Tulio Magno