Re: [PATCH 1/4] sched/preempt: Prepare for supporting !CONFIG_GENERIC_ENTRY dynamic preemption

From: Peter Zijlstra
Date: Tue Sep 21 2021 - 03:10:25 EST


On Tue, Sep 21, 2021 at 01:32:34AM +0200, Frederic Weisbecker wrote:
> There is no need to force dynamic preemption to depend on the generic
> entry code. The latter is convenient but not mandatory. An architecture
> that doesn't support it just need to provide a static call on its
> kernel IRQ exit preemption path.

True; but at the same time ARM64 is also moving to generic entry. Mark?