[Buildroot] [PATCH 01/24 v4] arch: add an option to specify if the arch has atomic ops

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Sun Aug 17 12:57:32 UTC 2014


Dear Thomas De Schampheleire,

On Sun, 17 Aug 2014 14:55:06 +0200, Thomas De Schampheleire wrote:

> Is there a specific reason why the option is now
>  dubbed ATOMICS iso ATOMIC_INTRINSICS?
> 
> The latter may be a bit more descriptive, no?

But wouldn't make sense. "intrinsics" is a compiler notion, which
doesn't have much to do with an architecture. An architecture provides
atomic instructions, which in turn allow compilers to implement a
certain class of compiler intrinsics to access those atomic operations.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com


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