On Mon, 22 Mar 2021, Tiezhu Yang wrote: > > > --- a/arch/mips/Kconfig > > > +++ b/arch/mips/Kconfig > > > @@ -6,6 +6,7 @@ config MIPS > > > select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT > > > select ARCH_HAS_FORTIFY_SOURCE > > > select ARCH_HAS_KCOV > > > + select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE > > Hmm, documentation on ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE seems rather > > scarce, but based on my guess shouldn't this be "if !EVA"? > > I do not quite know what the effect if MIPS EVA (Enhanced Virtual Addressing) > is set, I saw that ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE should be restricted > to archs with non-overlapping address ranges. > > I wonder whether MIPS EVA will generate overlapping address ranges? The architecture specification has it all. Maciej
