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eBPF insns are internally organized as dual-list inside NFP offload JIT. Random access to an insn needs to be done by either forward or backward traversal along the list. One place we need to do such traversal is at nfp_fixup_branches where one traversal is needed for each jump insn to find the destination. Such traversals could be avoided if jump destinations are collected through a single travesal in a pre-scan pass, and such information could also be useful in other places where jump destination info are needed. This patch adds such jump destination collection in nfp_prog_prepare. Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.