On Thu, Jun 15, 2023 at 01:34:25PM +1000, Michael Ellerman wrote: > Eric DeVolder <eric.devolder@xxxxxxxxxx> writes: > > -config KEXEC_FILE > > - bool "kexec file based system call" > > - select KEXEC_CORE > > - select HAVE_IMA_KEXEC if IMA > > - select KEXEC_ELF > > - depends on PPC64 > > - depends on CRYPTO=y > > - depends on CRYPTO_SHA256=y > ... > > + > > +config ARCH_HAS_KEXEC_FILE > > + def_bool PPC64 && CRYPTO && CRYPTO_SHA256 > > The =y's got lost here. > > I think they were both meaningful, because both options are tristate. So > this previously required them to be built-in (=y), whereas after your > patch it will allow them to be modules. > > I don't know for sure that those options need to be built-in, but that's > what the code does now, so this patch shouldn't change it, at least > without an explanation. This patch shouldn't change it at all, period. If you want to change it (and that sounds like a good idea, if it is possible anyway), that should be a separate patch. Segher