Merge remote branch 'tip/x86/tsc' into fortglx/2.6.38/tip/x86/tsc

Conflicts:
	Documentation/kernel-parameters.txt

diff --cc Documentation/kernel-parameters.txt
index 92e83e53148fe8b1d4848af9a8fd7442cc5624ba,4c6b4150266df0363b7a2ea6543419abea6934a1..c7c8eca5b2b359f98408acb016788e9005368938
--- 1/Documentation/kernel-parameters.txt
--- 2/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@@ -2462,21 -2480,17 +2462,22 @@@ and is between 256 and 4096 characters
        trace_buf_size=nn[KMG]
                        [FTRACE] will set tracing buffer size.
  
 -      trix=           [HW,OSS] MediaTrix AudioTrix Pro
 -                      Format:
 -                      <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
 +      trace_event=[event-list]
 +                      [FTRACE] Set and start specified trace events in order
 +                      to facilitate early boot debugging.
 +                      See also Documentation/trace/events.txt
  
-       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.
 +                      [x86] noirqtime: Do not use TSC to do irq accounting.
 +                      Used to run time disable IRQ_TIME_ACCOUNTING on any
 +                      platforms where RDTSC is slow and this accounting
 +                      can add overhead.
  
        turbografx.map[2|3]=    [HW,JOY]
                        TurboGraFX parallel port interface

diff --cc arch/x86/kernel/tsc.c
Simple merge