Mark support for lock elision as deprecated.

As discussed here:
https://sourceware.org/pipermail/libc-alpha/2025-July/168492.html
The support for TX lock elision of pthread mutexes is deprecated on
all architectures and will be removed in the next release.
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

diff --git a/NEWS b/NEWS
index 7c407c2ea3da1af3dd819f58129be8b5afc606e9..f0153c7e9a1e0ecfff1bd2343c25a5ce432501b2 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -42,6 +42,9 @@ Deprecated and removed features, and other changes affecting compatibility:
   obsolete since the very first version of POSIX.1 in 1988, replaced
   with <termios.h>.
 
+* The support for TX lock elision of pthread mutexes is deprecated on
+  all architectures and will be removed in the next release.
+
 Changes to build and runtime requirements:
 
 * GCC 12.1 or later is now required to build the GNU C Library.