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3ba026fca8
There are three major changes here: 1. Add arch_[alloc|free]_bpf_trampoline based on bpf_prog_pack; 2. Let arch_prepare_bpf_trampoline handle ROX input image, this requires arch_prepare_bpf_trampoline allocating a temporary RW buffer; 3. Update __arch_prepare_bpf_trampoline() to handle a RW buffer (rw_image) and a ROX buffer (image). This part is similar to the image/rw_image logic in bpf_int_jit_compile(). Signed-off-by: Song Liu <song@kernel.org> Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20231206224054.492250-8-song@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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