[PATCH 5/5] aarch64: Allow overriding HWCAP_CPUID feature check using HWCAP_MASK

[Szabolcs Nagy]

On 18/05/17 21:07, Siddhesh Poyarekar wrote:
> Now that LD_HWCAP_MASK (or glibc.tune.hwcap_mask) is read early enough
> to influence cpu feature check in aarch64, use it to influence
> multiarch selection.  Setting LD_HWCAP_MASK such that it clears
> HWCAP_CPUID will now disable multiarch for the binary.
> 
> 	* sysdeps/unix/sysv/linux/aarch64/cpu-features.c
> 	(init_cpu_features): Use glibc.tune.hwcap_mask.
> 

this cannot go in until somebody figures out
why LD_HWCAP_MASK affects the dynamic linker
search path, which is undesirable when masking
the cpuid bit.