在2023年2月27日二月 下午3:18，Maciej W. Rozycki写道： > On Mon, 27 Feb 2023, Johan Almbladh wrote: > >> > > R4000 is a 64-bit CPU, so the 32-bit JIT implementation will not be >> > > used. From the Makefile: >> > > >> > > ifeq ($(CONFIG_32BIT),y) >> > > obj-$(CONFIG_BPF_JIT) += bpf_jit_comp32.o >> > > else >> > > obj-$(CONFIG_BPF_JIT) += bpf_jit_comp64.o >> > > endif >> > >> > It’s common practice to run 32-bit kernel on R4000 based systems to save some memory :-) >> >> Ok, I understand. > > Likewise: > > select CPU_R4000_WORKAROUNDS if 64BIT > select CPU_R4400_WORKAROUNDS if 64BIT > > This only applies to 64-bit operations, which are not used in 32-bit code > (one reason why these early silicon revisions were originally used with > 32-bit software only). Thanks for the info. Will drop 32bit part from both patch. > > Maciej -- - Jiaxun
