On Thu, Sep 26, 2024 at 11:16:53PM +0200, Antonino Maniscalco wrote: > +.. SPDX-License-Identifier: GPL-2.0 > + > +:orphan: Why don't this be added to toctree in Documentation/gpu/index.rst? > + > +============= > +MSM Preemtion > +============= s/Preemtion/Preemption/ > +This mechanism can be used by the kernel to switch between rings. Whenever a > +submission occurs the kernel finds the highest priority ring which isn't empty > +and preempts to it if said ring is not the one being currently executed. This is > +also done whenever a submission completes to make sure execution resumes on a > +lower priority ring when a higher priority ring is done. Do you mean that the kernel finds highest priority ring possible that is not empty? What if all these 4 rings are empty? Confused... -- An old man doll... just what I always wanted! - Clara
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