On Thu, Dec 13, 2018 at 11:01:49AM +0100, Peter Zijlstra wrote: > One, very big maybe, would be to add a new tracepoint type that includes > a might_sleep() and we very carefully undo all the preempt_disable and > go sleep where we should. That also gives the tracepoint crud the > information it needs to publish the capability to userspace.
Note that this includes handling fun things like the buffer getting closed while we wait.
