On Wed, Jan 11, 2017 at 03:36:28PM +0900, AKASHI Takahiro wrote: > On Tue, Jan 10, 2017 at 11:32:48AM +0000, Will Deacon wrote: > > On Wed, Dec 28, 2016 at 01:36:01PM +0900, AKASHI Takahiro wrote: > > > @@ -22,6 +25,7 @@ > > > extern const unsigned char arm64_relocate_new_kernel[]; > > > extern const unsigned long arm64_relocate_new_kernel_size; > > > > > > +static bool in_crash_kexec; > > > > Do you actually need this bool? Why not call kexec_crash_loaded() instead? > > The two have different meanings: > "in_crash_kexec" indicates that kdump is taking place, while > kexec_crash_loaded() tells us only whether crash dump kernel has been > loaded or not. > > It is crucial to distinguish them especially for machine_kexec() > which can be called on normal kexec even if kdump has been set up. Ah, I see. So how about just doing: if (kimage == kexec_crash_image) in machine_kexec? Will