1 files changed, 11 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index 1398cf2e87..8744a92532 100644
--- a/NEWS
+++ b/NEWS
@@ -68,6 +68,17 @@ Major new features:
   to be used by compilers for optimizing usage of 'memcmp' when its
   return value is only used for its boolean status.
 
+* Support for automatically registering threads with the Linux rseq
+  system call has been added.  This system call is implemented starting
+  from Linux 4.18.  The Restartable Sequences ABI accelerates user-space
+  operations on per-cpu data.  It allows user-space to perform updates
+  on per-cpu data without requiring heavy-weight atomic operations.
+  Automatically registering threads allows all libraries, including
+  libc, to make immediate use of the rseq support by using the
+  documented ABI, via the __rseq_flags, __rseq_offset, and __rseq_size
+  variables.  The GNU C Library manual has details on integration of
+  Restartable Sequences.
+
 Deprecated and removed features, and other changes affecting compatibility:
 
 * The r_version update in the debugger interface makes the glibc binary