[src/trunk]: src/sys/arch/i386/include use cli/sti instead of splhigh/splx fo...

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

details:   https://anonhg.NetBSD.org/src/rev/3927d29db06a
branches:  trunk
changeset: 514120:3927d29db06a
user:      chs <chs%NetBSD.org@localhost>
date:      Thu Aug 23 06:17:00 2001 +0000

description:
use cli/sti instead of splhigh/splx for MCOUNT_ENTER/MCOUNT_EXIT.
this makes clearer how much time mcount() is really taking.

diffstat:

 sys/arch/i386/include/profile.h |  10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)

diffs (22 lines):

diff -r 268341a7f089 -r 3927d29db06a sys/arch/i386/include/profile.h
--- a/sys/arch/i386/include/profile.h   Thu Aug 23 04:47:36 2001 +0000
+++ b/sys/arch/i386/include/profile.h   Thu Aug 23 06:17:00 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: profile.h,v 1.14 2000/01/22 22:46:56 mycroft Exp $     */
+/*     $NetBSD: profile.h,v 1.15 2001/08/23 06:17:00 chs Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -67,10 +67,6 @@
 }
 
 #ifdef _KERNEL
-/*
- * Note that we assume splhigh() and splx() cannot call mcount()
- * recursively.
- */
-#define        MCOUNT_ENTER    s = splhigh()
-#define        MCOUNT_EXIT     splx(s)
+#define        MCOUNT_ENTER    (void)&s; __asm__("cli");
+#define        MCOUNT_EXIT     __asm__("sti");
 #endif /* _KERNEL */