On Tue, Mar 09, 2021 at 09:42:03AM +0100, Thomas Gleixner wrote: > This is a follow up to the review comments of the series which makes > softirq processing PREEMPT_RT safe: > > https://lore.kernel.org/r/20201207114743.GK3040@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > Peter suggested to replace the spin waiting in tasklet_disable() and > tasklet_kill() with wait_event(). This also gets rid of the ill defined > sched_yield() in tasklet_kill(). > > Analyzing all usage sites of tasklet_disable() and tasklet_unlock_wait() we > found that most of them are safe to be converted to a sleeping wait. > > Only a few instances invoke tasklet_disable() from atomic context. A few > bugs which have been found in course of this analysis have been already > addressed seperately. Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
