On Mon, Mar 22, 2021 at 05:46:56AM +0100, Maciej W. Rozycki wrote: > On Thu, 18 Mar 2021, Tiezhu Yang wrote: > > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > > index 160b3a8..4b94ec7 100644 > > --- 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"? ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE means the any given virtual address in a task context can either be a valid kernel or user address space, but not both. Note that the bpf probe really is a legacy use case and should not be used in new code independent of that.
