Messages in this thread | | | Date | Thu, 11 Feb 2016 19:37:12 +0000 | From | "Maciej W. Rozycki" <> | Subject | Re: [PATCH] MIPS: tlb-r4k: panic if the MMU doesn't support PAGE_SIZE |
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On Wed, 10 Feb 2016, Paul Burton wrote:
> > diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c > > index 08318ec..4330315 100644 > > --- a/arch/mips/mm/tlb-r4k.c > > +++ b/arch/mips/mm/tlb-r4k.c > > @@ -486,6 +487,10 @@ static void r4k_tlb_configure(void) > > * be set to fixed-size pages. > > */ > > write_c0_pagemask(PM_DEFAULT_MASK); > > + back_to_back_c0_hazard(); > > + if (read_c0_pagemask() != PM_DEFAULT_MASK) > > + panic("MMU doesn't support PAGE_SIZE=0x%lx", PAGE_SIZE);
I think it would make sense to report here what the minimum/maximum page size actually supported is, so that the users know what there might be after.
Maciej
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