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authorJulius Werner <jwerner@chromium.org>2024-06-25 13:08:43 -0700
committerJulius Werner <jwerner@chromium.org>2024-06-27 00:29:17 +0000
commitc20c83ca1bdd4521156fc1974c1e38bc8b9a55d7 (patch)
tree5961739b59156c513e65ac69ee768f66a291c20f /Documentation/util/cbfstool
parent3aea34a9933f7884a2c08b9611f7b3ff9d791b1d (diff)
commonlib/device_tree: Improve node and property allocation speed
Now that the device tree code has been made available in libpayload, we should reintroduce the node and property allocation optimization for libpayload's memory allocator that was originally dropped when porting this code from depthcharge to coreboot. On a Qualcomm SC7180 unflattening a normal ChromeOS kernel device tree, this saves roughly ~145ms. The total scratch space used is about ~1350 nodes and ~5200 properties, so we leave a little room to grow with the constants hardcoded here. Change-Id: I0f4d80a8b750febfb069b32ef47304ccecdc35af Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/83208 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com> Reviewed-by: Raul Rangel <rrangel@chromium.org>
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