Module Name: src
Committed By: jruoho
Date: Fri Feb 25 17:07:30 UTC 2011
Modified Files:
src/sys/arch/x86/acpi: acpi_cpu_md.c
Log Message:
Add couple of comments.
To generate a diff of this commit:
cvs rdiff -u -r1.44 -r1.45 src/sys/arch/x86/acpi/acpi_cpu_md.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/x86/acpi/acpi_cpu_md.c
diff -u src/sys/arch/x86/acpi/acpi_cpu_md.c:1.44 src/sys/arch/x86/acpi/acpi_cpu_md.c:1.45
--- src/sys/arch/x86/acpi/acpi_cpu_md.c:1.44 Fri Feb 25 16:54:36 2011
+++ src/sys/arch/x86/acpi/acpi_cpu_md.c Fri Feb 25 17:07:30 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_cpu_md.c,v 1.44 2011/02/25 16:54:36 jruoho Exp $ */
+/* $NetBSD: acpi_cpu_md.c,v 1.45 2011/02/25 17:07:30 jruoho Exp $ */
/*-
* Copyright (c) 2010, 2011 Jukka Ruohonen <jruoho...@iki.fi>
@@ -27,7 +27,7 @@
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_md.c,v 1.44 2011/02/25 16:54:36 jruoho Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_md.c,v 1.45 2011/02/25 17:07:30 jruoho Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -274,6 +274,10 @@
case 0x0f:
+ /*
+ * Evaluate support for the "FID/VID
+ * algorithm" also used by powernow(4).
+ */
if ((regs[3] & CPUID_APM_FID) == 0)
break;
@@ -370,6 +374,9 @@
bool ipi = false;
int i;
+ /*
+ * Save the cpu_idle(9) loop used by default.
+ */
x86_cpu_idle_get(&native_idle, native_idle_text, size);
for (i = 0; i < ACPI_C_STATE_COUNT; i++) {
