[PATCH 4/7] tunables: Add LD_HWCAP_MASK to tunables

[Siddhesh Poyarekar]

On Wednesday 17 May 2017 02:04 AM, Adhemerval Zanella wrote:
> On 11/05/2017 11:51, Siddhesh Poyarekar wrote:
>> Add LD_HWCAP_MASK to tunables in preparation of it being removed from
>> rtld.c.  This allows us to read LD_HWCAP_MASK much earlier so that it
>> can influence IFUNC resolution in aarch64.
>>
>> This patch does not actually do anything other than read the
>> LD_HWCAP_MASK variable and add the tunables way to set the
>> LD_HWCAP_MASK, i.e. via the glibc.tune.hwcap_mask tunable.  In a
>> follow-up patch, the _dl_hwcap_mask will be replaced with
>> glibc.tune.hwcap_mask to complete the transition.
>>
>> 	* elf/dl-tunables.list: Add glibc.tune.hwcap_mask.
>> 	* scripts/gen-tunables.awk: Include dl-procinfo.h.
> 
> I think we should also update manual/tunables.texi with this new one.

OK, I'll send an updated series (minus the first two you acked) with
this change.

Siddhesh