[src/trunk]: src/sys/rump/librump/rumpkern Add comment about clock mismatch.

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6111321694b5
branches:  trunk
changeset: 753940:6111321694b5
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed Apr 14 10:34:54 2010 +0000

description:
Add comment about clock mismatch.

diffstat:

 sys/rump/librump/rumpkern/locks.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r d5a0e8a71bf3 -r 6111321694b5 sys/rump/librump/rumpkern/locks.c
--- a/sys/rump/librump/rumpkern/locks.c Wed Apr 14 10:27:53 2010 +0000
+++ b/sys/rump/librump/rumpkern/locks.c Wed Apr 14 10:34:54 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locks.c,v 1.38 2010/01/31 00:54:22 snj Exp $   */
+/*     $NetBSD: locks.c,v 1.39 2010/04/14 10:34:54 pooka Exp $ */
 
 /*
  * Copyright (c) 2007, 2008 Antti Kantee.  All Rights Reserved.
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: locks.c,v 1.38 2010/01/31 00:54:22 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: locks.c,v 1.39 2010/04/14 10:34:54 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/kmem.h>
@@ -225,6 +225,10 @@
        struct timespec ts, tick;
        extern int hz;
 
+       /*
+        * XXX: this fetches rump kernel time, but rumpuser_cv_timedwait
+        * uses host time.
+        */
        nanotime(&ts);
        tick.tv_sec = ticks / hz;
        tick.tv_nsec = (ticks % hz) * (1000000000/hz);