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When a filtered DT overlay is applied, cros_fdt applies the filtered node(s) and its dependencies. Until now, the filtered node's dependencies were: - its parent nodes - all nodes in the subtree rooted at the filtered node, ie its child nodes - all nodes referenced by their phandle value from any of the above Including all child nodes as dependencies is incorrect. Simply referencing a bus node from any node in the DT would include all of the devices on a bus. For VM device assignment, it would populate the DT with devices that are not being assigned. This change updates the filtering algorithm to stop treating child nodes of a filtered node as dependecies. Bug: 320481473 Test: cd cros_fdt && cargo test Change-Id: I3c393d41a4c497c043917767d555880896c10eb5 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5217131 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-by: Pierre-Clément Tosi <ptosi@google.com> Commit-Queue: Jakob Vukalović <jakobvukalovic@google.com> |
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