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-rw-r--r--drivers/acpi/processor_idle.c4
-rw-r--r--drivers/char/agp/amd64-agp.c13
-rw-r--r--drivers/video/console/vgacon.c3
3 files changed, 8 insertions, 12 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index ae0654cd11e..ee5759bef94 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -475,7 +475,7 @@ static void acpi_processor_idle(void)
#ifdef CONFIG_GENERIC_TIME
/* TSC halts in C2, so notify users */
- mark_tsc_unstable();
+ mark_tsc_unstable("possible TSC halt in C2");
#endif
/* Re-enable interrupts */
local_irq_enable();
@@ -517,7 +517,7 @@ static void acpi_processor_idle(void)
#ifdef CONFIG_GENERIC_TIME
/* TSC halts in C3, so notify users */
- mark_tsc_unstable();
+ mark_tsc_unstable("TSC halts in C3");
#endif
/* Re-enable interrupts */
local_irq_enable();
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 485720486d6..c9f0f250d78 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -14,6 +14,7 @@
#include <linux/agp_backend.h>
#include <linux/mmzone.h>
#include <asm/page.h> /* PAGE_SIZE */
+#include <asm/e820.h>
#include <asm/k8.h>
#include "agp.h"
@@ -259,7 +260,6 @@ static const struct agp_bridge_driver amd_8151_driver = {
/* Some basic sanity checks for the aperture. */
static int __devinit aperture_valid(u64 aper, u32 size)
{
- u32 pfn, c;
if (aper == 0) {
printk(KERN_ERR PFX "No aperture\n");
return 0;
@@ -272,14 +272,9 @@ static int __devinit aperture_valid(u64 aper, u32 size)
printk(KERN_ERR PFX "Aperture out of bounds\n");
return 0;
}
- pfn = aper >> PAGE_SHIFT;
- for (c = 0; c < size/PAGE_SIZE; c++) {
- if (!pfn_valid(pfn + c))
- break;
- if (!PageReserved(pfn_to_page(pfn + c))) {
- printk(KERN_ERR PFX "Aperture pointing to RAM\n");
- return 0;
- }
+ if (e820_any_mapped(aper, aper + size, E820_RAM)) {
+ printk(KERN_ERR PFX "Aperture pointing to RAM\n");
+ return 0;
}
/* Request the Aperture. This catches cases when someone else
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 91a20785108..3e67c34df9a 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -371,7 +371,8 @@ static const char *vgacon_startup(void)
}
/* VGA16 modes are not handled by VGACON */
- if ((ORIG_VIDEO_MODE == 0x0D) || /* 320x200/4 */
+ if ((ORIG_VIDEO_MODE == 0x00) || /* SCREEN_INFO not initialized */
+ (ORIG_VIDEO_MODE == 0x0D) || /* 320x200/4 */
(ORIG_VIDEO_MODE == 0x0E) || /* 640x200/4 */
(ORIG_VIDEO_MODE == 0x10) || /* 640x350/4 */
(ORIG_VIDEO_MODE == 0x12) || /* 640x480/4 */