On Sat, Jun 29, 2024 at 9:40 PM Oleg Nesterov <oleg@xxxxxxxxxx> wrote: > > On 06/29, Tiezhu Yang wrote: > > > > On Thu, 27 Jun 2024 19:38:06 +0200 > > Oleg Nesterov <oleg@xxxxxxxxxx> wrote: > > > > ... > > > > > > > +arch_initcall(check_emit_break); > > > > > + > > > > > > > > I wouldn't even bother with this, but whatever. > > > > > > Agreed, this looks a bit ugly. I did this only because I can not test > > > this (hopefully trivial) patch and the maintainers didn't reply. > > > > The LoongArch maintainer Huacai told me offline to reply this thread today. > > > > > If LoongArch boots at least once with this change, this run-time check > > > can be removed. > > > > I will test it next Monday. > > Thanks! > > > > And just in case... I didn't dare to make a more "generic" change, but > > > perhaps KPROBE_BP_INSN and KPROBE_SSTEPBP_INSN should be redefined the > > > same way for micro-optimization. In this case __emit_break() should be > > > probably moved into arch/loongarch/include/asm/inst.h. > > > > Yeah. I think so too. > > OK... should I send v2? Or another change which does this on top of this > patch? Or will you do it yourself? I prefer V2. Huacai > > > > > Thanks, > > Tiezhu > > >