Michael Ellerman <m...@ellerman.id.au> writes: > Of the 64-bit Book3S platforms, only powermac supports booting on an > actual non-SMP system. The other platforms can be built with SMP > disabled, but it doesn't make a lot of sense given the CPUs they support > are all multicore or multithreaded. > > So give platforms the option of forcing SMP=y.
For the record I'm planning to merge this. cheers > diff --git a/arch/powerpc/platforms/Kconfig.cputype > b/arch/powerpc/platforms/Kconfig.cputype > index 99b0ae8acb78..5c011e4baf0b 100644 > --- a/arch/powerpc/platforms/Kconfig.cputype > +++ b/arch/powerpc/platforms/Kconfig.cputype > @@ -371,9 +371,15 @@ config PPC_PERF_CTRS > help > This enables the powerpc-specific perf_event back-end. > > +config FORCE_SMP > + # Allow platforms to force SMP=y by selecting this > + bool > + default n > + select SMP > + > config SMP > depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE || PPC_47x > - bool "Symmetric multi-processing support" > + bool "Symmetric multi-processing support" if !FORCE_SMP > ---help--- > This enables support for systems with more than one CPU. If you have > a system with only one CPU, say N. If you have a system with more > -- > 2.7.4
