Re: [PATCH] mips/mm: Add page soft dirty tracking

[Thomas Bogendoerfer]

On Sun, Apr 26, 2020 at 07:09:26PM +0200, Paul Cercueil wrote:
> >>  arch/mips/Kconfig                    |  1 +
> >>  arch/mips/include/asm/pgtable-bits.h |  8 ++++--
> >>  arch/mips/include/asm/pgtable.h      | 48
> >>++++++++++++++++++++++++++++++++++--
> >
> >this breaks all 32bit builds where CPU support RIXI, because it overflows
> >pgtable_bits.
> 
> I think we'd need to make PTEs 64-bit at some point.

I'm taking patches ;-) Any idea how much performance impact we might
see by this ?

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]