Hi Anshuman, On Fri, 7 Jun 2019 16:04:15 +0530 Anshuman Khandual wrote: > > +static nokprobe_inline bool kprobe_page_fault(struct pt_regs *regs, > + unsigned int trap) > +{ > + int ret = 0; > + > + /* > + * To be potentially processing a kprobe fault and to be allowed > + * to call kprobe_running(), we have to be non-preemptible. > + */ > + if (kprobes_built_in() && !preemptible() && !user_mode(regs)) { > + if (kprobe_running() && kprobe_fault_handler(regs, trap)) > + ret = 1; > + } > + return ret; > +} Since this is now declared as "bool" (thanks for that), you should make "ret" be bool and use true and false; -- Cheers, Stephen Rothwell