arm64: cmpxchg: implement cmpxchg64_relaxed

This patch introduces cmpxchg64_relaxed for arm64 using the existing
cmpxchg_local macro, which performs a cmpxchg operation (up to 64 bits)
without barrier semantics.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..8d26507
--- /dev/null
+++ b/NEWS
@@ -0,0 +1,4 @@
+2003/09/04 - Release of version 15.5.
+2002/08/15 - Release of version 15.4.
+2001/07/02 - Release of version 15.3. 
+2000/04/18 - Release of Version 13.0 into Open Source. Initial Linux port