[PATCH 3/9][BZ 16892] ARM - Remove arm lowlevellock.h

[Joseph S. Myers]

On Mon, 9 Jun 2014, Bernard Ogden wrote:

> Remove arm lowlevelock.h
> 
> Results in these changes:
> 
> Fixes BZ16892, as lll_timelock now checks value of futex before
> changing it. There is a similar change in lll_cond_lock - as this
> was unconditionally setting the futex to 2 rather than 1, this
> should not have been causing any bugs, but the change is harmless.
> 
> Gain a few static always_inline functions - some didn't previously
> exist for arm, others used to be macros.
> 
> lll_futex_timed_wait_requeue_pi now calls INTERNAL_SYSCALL_ERROR_P
> on the return value. This function only has one caller, and that
> caller just compares return value to 0, so the behaviour is
> equivalent.
> 
> Passes regression tests.

OK once the generic header is in.  This is not a review or approval of the 
generic header.

-- 
Joseph S. Myers
joseph@codesourcery.com