在2025年1月4日一月 上午9:04，Jinyang Shen写道： [...] >> >> -# No special ABIs on loongarch so far >> -syscall_abis_64 += >> +syscall_abis_64 += loongarch > > LoongArch64 need arch-specific syscall, but LoongArch32 needn't? My bad, lost in rebasing :-) > [...] >> diff --git a/scripts/syscall.tbl b/scripts/syscall.tbl >> index ebbdb3c42e9f74613b003014c0baf44c842bb756..723fe859956809f26d6ec50ad7812933531ef687 100644 >> --- a/scripts/syscall.tbl >> +++ b/scripts/syscall.tbl >> @@ -298,6 +298,8 @@ >> 244 csky set_thread_area sys_set_thread_area >> 245 csky cacheflush sys_cacheflush >> >> +259 loongarch loongarch_flush_icache sys_loongarch_flush_icache > > Can we use cacheflush as arc, csky and nios2? I think cacheflush syscall is more or less an outdated design inherited from...MIPS... Exposing flush of other cache levels to user space is not wise in security perspective. The design of cacheflush syscall is also not vDSO friendly. riscv_flush_icache is designed to avoid those drawbacks, and we should follow. Thanks > > Jinyang > [...] -- - Jiaxun
