[src/netbsd-8]: src/sys/sys Pull up following revision(s) (requested by pgoye...

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

details:   https://anonhg.NetBSD.org/src/rev/a07096be4c0b
branches:  netbsd-8
changeset: 851061:a07096be4c0b
user:      snj <snj%NetBSD.org@localhost>
date:      Fri Oct 13 08:14:51 2017 +0000

description:
Pull up following revision(s) (requested by pgoyette in ticket #301):
        sys/sys/kernhist.h: revision 1.19-1.20
Call sysctl_kernhist_new for KERNHIST_LINK_STATIC.  I can get usbhist
from vmstat(1) again.
--
Use do {...} while 0; construct for KERNHIST_LINK_STATIC()
NFCI

diffstat:

 sys/sys/kernhist.h |  15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)

diffs (50 lines):

diff -r fe8e0de3df6a -r a07096be4c0b sys/sys/kernhist.h
--- a/sys/sys/kernhist.h        Wed Oct 11 22:55:18 2017 +0000
+++ b/sys/sys/kernhist.h        Fri Oct 13 08:14:51 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kernhist.h,v 1.18 2017/01/10 00:50:57 pgoyette Exp $   */
+/*     $NetBSD: kernhist.h,v 1.18.8.1 2017/10/13 08:14:51 snj Exp $    */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -147,6 +147,12 @@
 #define KERNHIST_DECL(NAME) extern struct kern_history NAME
 #define KERNHIST_DEFINE(NAME) struct kern_history NAME
 
+#define KERNHIST_LINK_STATIC(NAME) \
+do { \
+       LIST_INSERT_HEAD(&kern_histories, &(NAME), list); \
+       sysctl_kernhist_new(&(NAME)); \
+} while (/*CONSTCOND*/ 0)
+
 #define KERNHIST_INIT(NAME,N) \
 do { \
        (NAME).name = __STRING(NAME); \
@@ -156,8 +162,7 @@
        (NAME).e = (struct kern_history_ent *) \
                kmem_zalloc(sizeof(struct kern_history_ent) * (N), KM_SLEEP); \
        (NAME).s = 0; \
-       LIST_INSERT_HEAD(&kern_histories, &(NAME), list); \
-       sysctl_kernhist_new(&(NAME)); \
+       KERNHIST_LINK_STATIC(NAME); \
 } while (/*CONSTCOND*/ 0)
 
 #define KERNHIST_INITIALIZER(NAME,BUF) \
@@ -171,9 +176,6 @@
        /* BUF will inititalized to zeroes by being in .bss */ \
 }
 
-#define KERNHIST_LINK_STATIC(NAME) \
-       LIST_INSERT_HEAD(&kern_histories, &(NAME), list)
-
 #define KERNHIST_INIT_STATIC(NAME,BUF) \
 do { \
        (NAME).name = __STRING(NAME); \
@@ -184,7 +186,6 @@
        (NAME).s = 0; \
        memset((NAME).e, 0, sizeof(struct kern_history_ent) * (NAME).n); \
        KERNHIST_LINK_STATIC(NAME); \
-       sysctl_kernhist_new(&(NAME)); \
 } while (/*CONSTCOND*/ 0)
 
 #ifndef KERNHIST_DELAY