Hi, Tiezhu and Hengqi, Could you please pay some time to review this series? I hope it can be merged to 6.17. Huacai On Wed, Jul 9, 2025 at 1:50 PM Chenghao Duan <duanchenghao@xxxxxxxxxx> wrote: > > v3: > 1. Patch 0003 adds EXECMEM_BPF memory type to the execmem subsystem. > > 2. Align the size calculated by arch_bpf_trampoline_size to page > boundaries. > > 3. Add the flush icache operation to larch_insn_text_copy. > > 4. Unify the implementation of bpf_arch_xxx into the patch > "0004-LoongArch-BPF-Add-bpf_arch_xxxxx-support-for-Loong.patch". > > 5. Change the patch order. Move the patch > "0002-LoongArch-BPF-Update-the-code-to-rename-validate_.patch" before > "0005-LoongArch-BPF-Add-bpf-trampoline-support-for-Loon.patch". > > ----------------------------------------------------------------------- > Historical Version: > v2: > 1. Change the fixmap in the instruction copy function to set_memory_xxx. > > 2. Change the implementation method of the following code. > - arch_alloc_bpf_trampoline > - arch_free_bpf_trampoline > Use the BPF core's allocation and free functions. > > - bpf_arch_text_invalidate > Operate with the function larch_insn_text_copy that carries > memory attribute modifications. > > 3. Correct the incorrect code formatting. > > URL for version v2: > https://lore.kernel.org/all/20250618105048.1510560-1-duanchenghao@xxxxxxxxxx/ > --------- > v1: > Support trampoline for LoongArch. The following feature tests have been > completed: > 1. fentry > 2. fexit > 3. fmod_ret > > TODO: The support for the struct_ops feature will be provided in > subsequent patches. > > URL for version v1: > https://lore.kernel.org/all/20250611035952.111182-1-duanchenghao@xxxxxxxxxx/ > ----------------------------------------------------------------------- > > Chenghao Duan (5): > LoongArch: Add the function to generate the beq and bne assembly > instructions. > LoongArch: BPF: Update the code to rename validate_code to > validate_ctx. > LoongArch: BPF: Add EXECMEM_BPF memory to execmem subsystem > LoongArch: BPF: Add bpf_arch_xxxxx support for Loongarch > LoongArch: BPF: Add bpf trampoline support for Loongarch > > arch/loongarch/include/asm/inst.h | 3 + > arch/loongarch/kernel/inst.c | 60 ++++ > arch/loongarch/mm/init.c | 6 + > arch/loongarch/net/bpf_jit.c | 491 +++++++++++++++++++++++++++++- > arch/loongarch/net/bpf_jit.h | 6 + > 5 files changed, 565 insertions(+), 1 deletion(-) > > -- > 2.43.0 > >
