From: Serhei Makarov <smakarov@redhat.com>
Date: Mon, 6 May 2019 15:48:54 +0000 (-0400)
Subject: NEWS :: mention ktime_get_real_fast_ns() from commit e2e13220fb
X-Git-Tag: release-4.1~7
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=e960e968fb214fbd1a28c41d1f33cf9f6ba20ae7;p=systemtap.git

NEWS :: mention ktime_get_real_fast_ns() from commit e2e13220fb
---

diff --git a/NEWS b/NEWS
index 64bb6024b..61a6b0dd1 100644
--- a/NEWS
+++ b/NEWS
@@ -23,6 +23,10 @@
 - Operator @var() no longer assumes @entry() in return probes.
   The old behavior can be restored by the '--compatible 4.0' option.
 
+- Where available (kernel 4.15+), the kernel-module runtime now uses
+  the kernel-provided ktime_get_real_fast_ns() mechanism for timekeeping
+  rather than the SystemTap runtime's own timekeeping machinery.
+
 - New stapbpf tapset task.stp with function task_current.
 
 - New stapbpf tapset functions kernel_string, kernel_string_n,