[PATCH 08/19] nptl: arm: Fix Race conditions in pthread cancellation (BZ#12683)

[Joseph Myers]

On Tue, 12 Dec 2017, Adhemerval Zanella wrote:

> So I am not sure we need all the CFI directives to enable cancellation work
> on ARM (at least current syscall wrappers which use C version of 
> {INLINE,INTERNAL}_SYSCALL are not generating them).

The cfi_* on ARM are for debugging, not for cancellation (and so to get 
corresponding output from the compiler you'd need to compile with -g).  
ARM uses ".cfi_sections .debug_frame".

-- 
Joseph S. Myers
joseph@codesourcery.com