On 09/04/16 16:13, Aneesh Kumar K.V wrote: > In this patch we add the radix Kconfig and conditional check. > radix_enabled is written to always return 0 here. Once we have > all needed radix changes added, we will update this to mmu_feature > check. > > We need to addt this early so that we can get it all build in the early > stage.
s/addt/add > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > > radix kconfig variable > --- > arch/powerpc/include/asm/book3s/64/mmu.h | 2 ++ > arch/powerpc/include/asm/mmu.h | 3 +++ > arch/powerpc/platforms/Kconfig.cputype | 4 ++++ > 3 files changed, 9 insertions(+) > > diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h > b/arch/powerpc/include/asm/book3s/64/mmu.h > index b86786f2521c..593d9e3ce8e7 100644 > --- a/arch/powerpc/include/asm/book3s/64/mmu.h > +++ b/arch/powerpc/include/asm/book3s/64/mmu.h > @@ -19,6 +19,8 @@ struct mmu_psize_def { > unsigned long sllp; /* SLB L||LP (exact mask to use in slbmte) */ > }; > extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; > + > +#define radix_enabled() (0) > #endif /* __ASSEMBLY__ */ > > /* 64-bit classic hash table MMU */ > diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h > index 5f55024f9522..decde4c4870d 100644 > --- a/arch/powerpc/include/asm/mmu.h > +++ b/arch/powerpc/include/asm/mmu.h > @@ -204,6 +204,9 @@ static inline void assert_pte_locked(struct mm_struct > *mm, unsigned long addr) > # include <asm/mmu-8xx.h> > #endif > > +#ifndef radix_enabled > +#define radix_enabled() (0) > +#endif > > #endif /* __KERNEL__ */ > #endif /* _ASM_POWERPC_MMU_H_ */ > diff --git a/arch/powerpc/platforms/Kconfig.cputype > b/arch/powerpc/platforms/Kconfig.cputype > index 142dff5e96d6..53299182dba9 100644 > --- a/arch/powerpc/platforms/Kconfig.cputype > +++ b/arch/powerpc/platforms/Kconfig.cputype > @@ -331,6 +331,10 @@ config PPC_STD_MMU_64 > def_bool y > depends on PPC_STD_MMU && PPC64 > > +config PPC_RADIX_MMU > + def_bool y > + depends on PPC_BOOK3S_64 > + Some help would be nice here > config PPC_MMU_NOHASH > def_bool y > depends on !PPC_STD_MMU > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev