Messages in this thread | | | Date | Thu, 4 Sep 2014 13:21:08 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: dynticks: Remove atomic ops for dynticks_idle |
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On Thu, 4 Sep 2014, Paul E. McKenney wrote:
> On Thu, Sep 04, 2014 at 10:18:31AM -0500, Christoph Lameter wrote: > > This is on top of the first patch (but still not against your tree). I > > wonder what you think about this one. No special operations. > > > > > > Since dynticks_idle is only ever modified by the local cpu we do > > not need to use atomics there. > > > > Signed-off-by: Christoph Lameter <cl@linux.com> > > Sorry, as discussed earlier, this change is non-trivial. In addition, > you have not justified the change.
The rationale is quite clear: Use of atomics without the need to use them.
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