| Date | Tue, 5 Jul 2022 19:01:37 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 03/13] locking/qspinlock: split common mcs queueing code into its own function |
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On Tue, Jul 05, 2022 at 12:38:10AM +1000, Nicholas Piggin wrote: > +void queued_spin_lock_slowpath(struct qspinlock *lock, u32 val) > +{ > + if (pv_enabled()) { > + queued_spin_lock_mcs_queue(lock); > + return; > + } > + > + if (virt_spin_lock(lock)) > + return; > +
This reminds me; at the time I meant to make queued_spin_lock_slowpath() a static_call() and redirect the function appropriately at boot time. But that was before static_call() was merged and I never seem to have gotten around to doing that afterwards...
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