On Fri, 20 Oct 2023 19:43:53 +0530, Hari Bathini wrote:
> Most BPF programs are small, but they consume a page each. For systems
> with busy traffic and many BPF programs, this may also add significant
> pressure on instruction TLB. High iTLB pressure usually slows down the
> whole system causing visible performance degradation for production
> workloads.
>
> bpf_prog_pack, a customized allocator that packs multiple bpf programs
> into preallocated memory chunks, was proposed [1] to address it. This
> series extends this support on powerpc.
>
> [...]
Applied to powerpc/next.
[1/5] powerpc/code-patching: introduce patch_instructions()
https://git.kernel.org/powerpc/c/465cabc97b42405eb89380ea6ba8d8b03e4ae1a2
[2/5] powerpc/bpf: implement bpf_arch_text_copy
https://git.kernel.org/powerpc/c/6efc1675acb88eef45ef0156b93f95d66a8ee759
[3/5] powerpc/bpf: implement bpf_arch_text_invalidate for bpf_prog_pack
https://git.kernel.org/powerpc/c/033ffaf0af1f974ecf401db3f70aae6fe1a90fc5
[4/5] powerpc/bpf: rename powerpc64_jit_data to powerpc_jit_data
https://git.kernel.org/powerpc/c/de04e40600ae15fa5e484be242e74aad6de7418f
[5/5] powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free]
https://git.kernel.org/powerpc/c/90d862f370b6e9de1b5d607843c5a2f9823990f3
cheers
