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2146f7fe6e
Song Liu says: ==================== Allocate bpf trampoline on bpf_prog_pack This set enables allocating bpf trampoline from bpf_prog_pack on x86. The majority of this work, however, is the refactoring of trampoline code. This is needed because we need to handle 4 archs and 2 users (trampoline and struct_ops). 1/7 through 6/7 refactors trampoline code. A few helpers are added. 7/7 finally let bpf trampoline on x86 use bpf_prog_pack. Changes in v7: 1. Use kvmalloc for rw_image in x86/arch_prepare_bpf_trampoline. (Alexei) 2. Add comment to explain why we cannot use kvmalloc in x86/arch_bpf_trampoline_size. (Alexei) Changes in v6: 1. Rebase. 2. Add Acked-by and Tested-by from Jiri Olsa and Björn Töpel. Changes in v5: 1. Adjust size of trampoline ksym. (Jiri) 2. Use "unsigned int size" arg in image management helpers.(Daniel) Changes in v4: 1. Dropped 1/8 in v3, which is already merged in bpf-next. 2. Add Reviewed-by from Björn Töpel. Changes in v3: 1. Fix bug in s390. (Thanks to Ilya Leoshkevich). 2. Fix build error in riscv. (kernel test robot). Changes in v2: 1. Add missing changes in net/bpf/bpf_dummy_struct_ops.c. 2. Reduce one dry run in arch_prepare_bpf_trampoline. (Xu Kuohai) 3. Other small fixes. ==================== Link: https://lore.kernel.org/r/20231206224054.492250-1-song@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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| lib | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.