[PATCH V13] mm/debug: Add tests validating architecture page table helpers
Russell King - ARM Linux admin
linux at armlinux.org.uk
Tue Feb 11 20:24:48 AEDT 2020
On Tue, Feb 11, 2020 at 06:33:47AM +0100, Christophe Leroy wrote:
>
>
> Le 11/02/2020 à 03:25, Anshuman Khandual a écrit :
> >
> >
> > On 02/10/2020 04:36 PM, Russell King - ARM Linux admin wrote:
> > > There are good reasons for the way ARM does stuff. The generic crap was
> > > written without regard for the circumstances that ARM has, and thus is
> > > entirely unsuitable for 32-bit ARM.
> >
> > Since we dont have an agreement here, lets just settle with disabling the
> > test for now on platforms where the build fails. CONFIG_EXPERT is enabling
> > this test for better adaptability and coverage, hence how about re framing
> > the config like this ? This at the least conveys the fact that EXPERT only
> > works when platform is neither IA64 or ARM.
>
> Agreed
>
> >
> > config DEBUG_VM_PGTABLE
> > bool "Debug arch page table for semantics compliance"
> > depends on MMU
> > depends on ARCH_HAS_DEBUG_VM_PGTABLE || (EXPERT && !(IA64 || ARM))
>
> I think it's maybe better to have a dedicated depends line:
>
> depends on !IA64 && !ARM
> depends on ARCH_HAS_DEBUG_VM_PGTABLE || EXPERT
>
> The day arm and/or ia64 is ready for building the test, we can remove that
> depends.
Never going to happen as its technically infeasible, sorry.
--
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