9db66fceac
The problem with the current implementation is that adding a timer improperly checked which process would time up first by not taking into account how much time elapsed since their timer got scheduled. Rework the re-scheduling decision t fix this. The catch with this fix is that we are limited to scheduling timers of up to 2^31 ticks to avoid any potential overflow. Since we are unlikely to need to wait for more than a second, this won't be a problem :) Another possible fix would be to decrement the timeouts of all processes but it would duplicate a lot of code and dealing with edge cases wasn't pretty last time I checked. Signed-off-by: Martin Peres <martin.peres@free.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> |
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