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Daniel Borkmann says: ==================== pull-request: bpf-next 2017-12-03 The following pull-request contains BPF updates for your *net-next* tree. The main changes are: 1) Addition of a software model for BPF offloads in order to ease testing code changes in that area and make semantics more clear. This is implemented in a new driver called netdevsim, which can later also be extended for other offloads. SR-IOV support is added as well to netdevsim. BPF kernel selftests for offloading are added so we can track basic functionality as well as exercising all corner cases around BPF offloading, from Jakub. 2) Today drivers have to drop the reference on BPF progs they hold due to XDP on device teardown themselves. Change this in order to make XDP handling inside the drivers less error prone, and move disabling XDP to the core instead, also from Jakub. 3) Misc set of BPF verifier improvements and cleanups as preparatory work for upcoming BPF-to-BPF calls. Among others, this set also improves liveness marking such that pruning can be slightly more effective. Register and stack liveness information is now included in the verifier log as well, from Alexei. 4) nfp JIT improvements in order to identify load/store sequences in the BPF prog e.g. coming from memcpy lowering and optimizing them through the NPU's command push pull (CPP) instruction, from Jiong. 5) Cleanups to test_cgrp2_attach2.c BPF sample code in oder to remove bpf_prog_attach() magic values and replacing them with actual proper attach flag instead, from David. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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