The fix consist of allowing 64bit atomic ops for x86.
This should be safe for i586 and newer CPUs.
It also makes the synchronization more efficient.
[YOCTO #8140]
(From OE-Core rev: 2b8c7aa51f6ac7f79c4834e04b697c04afc8beaf)
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>