* Added the possibility to debug latency issues with spinlocks.

* When DEBUG_SPINLOCK_LATENCIES is 1, the system will panic if any spinlock is
  held longer than DEBUG_LATENCY micro seconds (currently 200). If your system
  doesn't boot anymore, a new safemode setting can disable the panic.
* Besides some problems during boot when the MTRRs are set up, 200 usecs work
  fine here if all debug output is turned off (the output stuff is definitely
  problematic, though I don't have a good idea on how to improve upon it a lot).
* Renamed the formerly BeOS compatible safemode settings to look better; there
  is no need to be compatible there.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33953 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/system/safemode_defs.h

@@ -1,16 +1,13 @@
 /*
- * Copyright 2004-2008, Axel Dörfler, [email protected]. All rights reserved.
+ * Copyright 2004-2009, Axel Dörfler, [email protected].
  * Distributed under the terms of the MIT License.
  */
 #ifndef _SYSTEM_SAFEMODE_DEFS_H
 #define _SYSTEM_SAFEMODE_DEFS_H
 
 
-// these are BeOS compatible additions to the safemode
-// constants in the driver_settings.h header
-
-#define B_SAFEMODE_DISABLE_USER_ADD_ONS		"disableuseraddons"
-#define B_SAFEMODE_DISABLE_IDE_DMA			"disableidedma"
+#define B_SAFEMODE_DISABLE_USER_ADD_ONS		"disable_user_addons"
+#define B_SAFEMODE_DISABLE_IDE_DMA			"disable_ide_dma"
 #define B_SAFEMODE_DISABLE_IOAPIC			"disable_ioapic"
 #define B_SAFEMODE_DISABLE_ACPI				"disable_acpi"
 #define B_SAFEMODE_DISABLE_APIC				"disable_apic"
@@ -19,5 +16,9 @@
 #define B_SAFEMODE_DISABLE_HYPER_THREADING	"disable_hyperthreading"
 #define B_SAFEMODE_FAIL_SAFE_VIDEO_MODE		"fail_safe_video_mode"
 
+#if DEBUG_SPINLOCK_LATENCIES
+#	define B_SAFEMODE_DISABLE_LATENCY_CHECK	"disable_latency_check"
+#endif
+
 
 #endif	/* _SYSTEM_SAFEMODE_DEFS_H */