[PATCH bpf-next v2 3/3] bpf, riscv: use prog pack allocator in the BPF JIT

Björn Töpel bjorn at kernel.org
Sat Aug 26 07:06:00 PDT 2023


Puranjay Mohan <puranjay12 at gmail.com> writes:

> Use bpf_jit_binary_pack_alloc() for memory management of JIT binaries in
> RISCV BPF JIT. The bpf_jit_binary_pack_alloc creates a pair of RW and RX
> buffers. The JIT writes the program into the RW buffer. When the JIT is
> done, the program is copied to the final RX buffer with
> bpf_jit_binary_pack_finalize.
>
> Implement bpf_arch_text_copy() and bpf_arch_text_invalidate() for RISCV
> JIT as these functions are required by bpf_jit_binary_pack allocator.

General style comment; Please try to use the full 100 characters width
for the patches. You're having a lot of linebreaks, which IMO makes the
patch harder to read.


Björn



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