[src/trunk]: src/sys/sys Make nc_hittime volatile to defeat compiler cleverness.

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

details:   https://anonhg.NetBSD.org/src/rev/4560839ba6a3
branches:  trunk
changeset: 465645:4560839ba6a3
user:      ad <ad%NetBSD.org@localhost>
date:      Sun Dec 01 13:45:42 2019 +0000

description:
Make nc_hittime volatile to defeat compiler cleverness.

diffstat:

 sys/sys/namei.src |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 9ee075e8188e -r 4560839ba6a3 sys/sys/namei.src
--- a/sys/sys/namei.src Sun Dec 01 13:39:53 2019 +0000
+++ b/sys/sys/namei.src Sun Dec 01 13:45:42 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: namei.src,v 1.44 2019/12/01 13:39:53 ad Exp $  */
+/*     $NetBSD: namei.src,v 1.45 2019/12/01 13:45:42 ad Exp $  */
 
 /*
  * Copyright (c) 1985, 1989, 1991, 1993
@@ -219,7 +219,7 @@
        struct  vnode *nc_dvp;          /* N vnode of parent of name */
        struct  vnode *nc_vp;           /* N vnode the name refers to */
        kmutex_t *nc_lock;              /* - lock on this entry */
-       int     nc_hittime;             /* N last time scored a hit */
+       volatile int nc_hittime;        /* N last time scored a hit */
        int     nc_flags;               /* - copy of componentname ISWHITEOUT */
        u_short nc_nlen;                /* - length of name */
        char    nc_name[0];             /* - segment name */