[src/trunk]: src/sys/arch/x86/acpi Fix boolean brain freeze.

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

details:   https://anonhg.NetBSD.org/src/rev/086cfd3115f6
branches:  trunk
changeset: 759166:086cfd3115f6
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Tue Nov 30 18:44:07 2010 +0000

description:
Fix boolean brain freeze.

diffstat:

 sys/arch/x86/acpi/acpi_cpu_md.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (31 lines):

diff -r 98592a1800b8 -r 086cfd3115f6 sys/arch/x86/acpi/acpi_cpu_md.c
--- a/sys/arch/x86/acpi/acpi_cpu_md.c   Tue Nov 30 18:38:53 2010 +0000
+++ b/sys/arch/x86/acpi/acpi_cpu_md.c   Tue Nov 30 18:44:07 2010 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_cpu_md.c,v 1.35 2010/11/30 04:31:00 jruoho Exp $ */
+/* $NetBSD: acpi_cpu_md.c,v 1.36 2010/11/30 18:44:07 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2010 Jukka Ruohonen <jruohonen%iki.fi@localhost>
@@ -27,7 +27,7 @@
  * SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_md.c,v 1.35 2010/11/30 04:31:00 jruoho Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_md.c,v 1.36 2010/11/30 18:44:07 jruoho Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -603,7 +603,11 @@
        xc = xc_broadcast(0, (xcfunc_t)x86_msr_xcall, &msr, NULL);
        xc_wait(xc);
 
-       if (acpicpu_pstate_status != false) {
+       /*
+        * Due several problems, we bypass the
+        * relatively expensive status check.
+        */
+       if (acpicpu_pstate_status != true) {
                DELAY(ps->ps_latency);
                return 0;
        }