x86: Make tsc=reliable override boot time stability checks
[linux-2.6.git] / Documentation / kernel-parameters.txt
index 7936b801fe6acc8e4dfe0f6f288a2e8ce9e81e08..4c6b4150266df0363b7a2ea6543419abea6934a1 100644 (file)
@@ -2484,12 +2484,13 @@ and is between 256 and 4096 characters. It is defined in the file
                        Format:
                        <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
 
-       tsc=            Disable clocksource-must-verify flag for TSC.
+       tsc=            Disable clocksource stability checks for TSC.
                        Format: <string>
                        [x86] reliable: mark tsc clocksource as reliable, this
-                       disables clocksource verification at runtime.
-                       Used to enable high-resolution timer mode on older
-                       hardware, and in virtualized environment.
+                       disables clocksource verification at runtime, as well
+                       as the stability checks done at bootup. Used to enable
+                       high-resolution timer mode on older hardware, and in
+                       virtualized environment.
 
        turbografx.map[2|3]=    [HW,JOY]
                        TurboGraFX parallel port interface