* Andrew F. Davis <afd@xxxxxx> [200220 16:24]: > On 2/20/20 11:20 AM, Tony Lindgren wrote: > > * Andrew F. Davis <afd@xxxxxx> [200220 16:04]: > >> On 2/20/20 10:54 AM, Tony Lindgren wrote: > >>> Andrew, > >>> > >>> * kbuild test robot <lkp@xxxxxxxxx> [200213 10:27]: > >>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > >>>> head: 0bf999f9c5e74c7ecf9dafb527146601e5c848b9 > >>>> commit: c37baa06f8a970e4a533d41f7d33e5e57de5ad25 ARM: OMAP2+: Fix undefined reference to omap_secure_init > >>>> date: 3 weeks ago > >>>> config: arm-randconfig-a001-20200213 (attached as .config) > >>>> compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0 > >>>> reproduce: > >>>> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > >>>> chmod +x ~/bin/make.cross > >>>> git checkout c37baa06f8a970e4a533d41f7d33e5e57de5ad25 > >>>> # save the attached .config to linux build tree > >>>> GCC_VERSION=7.5.0 make.cross ARCH=arm > >>>> > >>>> If you fix the issue, kindly add following tag > >>>> Reported-by: kbuild test robot <lkp@xxxxxxxxx> > >>>> > >>>> All errors (new ones prefixed by >>): > >>>> > >>>> arch/arm/mach-omap2/omap-secure.o: In function `omap_smccc_smc': > >>>>>> omap-secure.c:(.text+0x94): undefined reference to `__arm_smccc_smc' > >>> > >>> Have you looked at this one? Looks like there's still an unhandled > >>> randconfig build case. > >>> > >> > >> > >> I've had a quick look, all the ARM config does: > >> > >> select HAVE_ARM_SMCCC if CPU_V7 > >> > >> so I don't think this will happen in any real config, but if we want to > >> prevent randconfig issue this we could force ARCH_OMAP2PLUS to "depend" > >> on it. > > > > Seems to happen at least with omap2 only config where we don't have > > CPU_V7. Something like below seems to fix it. > > > > If that looks OK to you, I'll send out a proper fix. > > > > > This looks fine to me. > > A better later fix might be to later stub out the actual __arm_smccc_smc > in common code if CONFIG_HAVE_ARM_SMCCC is not set, so any platform will > get the fix. Yeah seems that might be better. Adding Aaro and Marc to Cc. Regards, Tony > > 8< ----------------------- > > diff --git a/arch/arm/mach-omap2/omap-secure.c b/arch/arm/mach-omap2/omap-secure.c > > --- a/arch/arm/mach-omap2/omap-secure.c > > +++ b/arch/arm/mach-omap2/omap-secure.c > > @@ -77,6 +77,7 @@ u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs, u32 arg1, u32 arg2, > > return ret; > > } > > > > +#ifdef CONFIG_HAVE_ARM_SMCCC > > void omap_smccc_smc(u32 fn, u32 arg) > > { > > struct arm_smccc_res res; > > @@ -85,6 +86,11 @@ void omap_smccc_smc(u32 fn, u32 arg) > > 0, 0, 0, 0, 0, 0, &res); > > WARN(res.a0, "Secure function call 0x%08x failed\n", fn); > > } > > +#else > > +void omap_smccc_smc(u32 fn, u32 arg) > > +{ > > +} > > +#endif > > > > void omap_smc1(u32 fn, u32 arg) > > { > >