Messages in this thread | | | Subject | [PATCH SET - 0/3] lost tick fixes | From | john stultz <> | Date | 30 Jun 2003 15:22:54 -0700 |
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Andrew, This set of patches fixes up the time doubling issues seen on laptops with speedstep as well as other systems when HZ=100 or calibrate_tsc() wasn't precise enough. No last-minute hand-editing of the diffs were done and I've tested each step to insure they compile and boot. ;) The patches in the order they should be applied are:
Patch 1: rename-timer_A1 o Your cleanups to the time code. o Replaces your current rename-timer patch in your tree. o Removes dependency on lost-tick-speedset-fix.
Patch 2: lost-tick-speedstep-fix_A1 o Detects speedstep time trouble and falls back to the PIT o Replaces the lost-tick-speedstep-fix patch in your tree o Adds dependency on rename-timer-A1
Patch 3: lost-tick-corner-fix_A0 o Fixes corner case where we detect an overflow between time source reads. o Depends on lost-tick-speedstep-fix_A1
Please consider for inclusion in your tree.
thanks -john
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