Re: [RFC patch 7/8] timekeeping: Implement a shadow timekeeper

2013-02-26 Thread Thomas Gleixner
On Fri, 22 Feb 2013, John Stultz wrote: > On 02/21/2013 02:51 PM, Thomas Gleixner wrote: > > Use the shadow timekeeper to do the update_wall_time() adjustments and > > then copy it over to the real timekeeper. > > > > Keep the shadow timekeeper in sync when updating stuff outside of > > update_wa

Re: [RFC patch 7/8] timekeeping: Implement a shadow timekeeper

2013-02-22 Thread John Stultz
On 02/21/2013 02:51 PM, Thomas Gleixner wrote: Use the shadow timekeeper to do the update_wall_time() adjustments and then copy it over to the real timekeeper. Keep the shadow timekeeper in sync when updating stuff outside of update_wall_time(). This allows us to limit the timekeeper_seq hold t

[RFC patch 7/8] timekeeping: Implement a shadow timekeeper

2013-02-21 Thread Thomas Gleixner
Use the shadow timekeeper to do the update_wall_time() adjustments and then copy it over to the real timekeeper. Keep the shadow timekeeper in sync when updating stuff outside of update_wall_time(). This allows us to limit the timekeeper_seq hold time to the update of the real timekeeper and the