On Thu, 2015-03-26 at 17:28 +0900, AKASHI Takahiro wrote: > @@ -64,7 +65,11 @@ void soft_restart(unsigned long addr) > setup_mm_for_reboot(); > > cpu_soft_restart(virt_to_phys(cpu_reset), > - is_hyp_mode_available(), addr); > +#ifdef CONFIG_KEXEC > + !in_crash_kexec && > +#endif Why not define in_crash_kexec without condition on CONFIG_KEXEC, say here in process.c and then avoid these preprocessor conditionals. > + is_hyp_mode_available(), > + addr); > > /* Should never get here */ > BUG();