Messages in this thread | | | Subject | Re: [rt-patch 3/3] arm, KVM: convert vgic_irq.irq_lock to raw_spinlock_t | From | Mike Galbraith <> | Date | Mon, 30 Jul 2018 15:34:42 +0200 |
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On Mon, 2018-07-30 at 11:27 +0200, Peter Zijlstra wrote: > > The thing missing from the Changelog is the analysis that all the work > done under these locks is indeed properly bounded and cannot cause > excessive latencies.
True, I have no idea what worst case hold times are. Nothing poked me dead in the eye when looking around in completely alien code, nor did cyclictest inspire concern running on box with no base of comparison.
I do know that latency is now < infinity, a modest improvement ;-)
-Mike
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