4 Apr
2013
4 Apr
'13
4:41 p.m.
On Thu, 2013-04-04 at 15:31 +0200, Daniel Vetter wrote:
The thing is now that you're not expected to hold these locks for a long time - if you need to synchronously stall while holding a lock performance will go down the gutters anyway. And since most current gpus/co-processors still can't really preempt fairness isn't that high a priority, either. So we didn't think too much about that.
Yeah but you're proposing a new synchronization primitive for the core kernel.. all such 'fun' details need to be considered, not only those few that bear on the one usecase.