![]() ![]() ![]() This patch series include twoĭifferent fixes to resolve those issues. That well if we have RT tasks in the mix. It turns out the current waiter optimistic spinning code does not work Drop patch 2 and replace it with 2 new patches disabling preemption onĪll reader functions and writer functions respectively. Fix an error in patch 2 reported by kernel test robot. Drop v6 patches 4 & 6 and simplify the direct rwsem lock handoff Add a comment to down_read_non_owner() in patch 2. To: Peter Zijlstra, Ingo Molnar, Will Deacon, Boqun FengĬc: linux-kernel, john.p.donnelly, Hillf Danton, Mukesh Ojha, ` (5 more replies) 0 siblings, 6 replies 17+ messages in thread 0:36 ` locking/rwsem: Prevent non-first waiter from spinning in down_write() slowpath Waiman Long Lockinig/rwsem: Fix rwsem bugs & enable true lock handoff LKML Archive on help / color / mirror / Atom feed * lockinig/rwsem: Fix rwsem bugs & enable true lock handoff 0:36 Waiman Long ![]()
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