Re: [PATCH] mips: octeon: unselect NR_CPUS_DEFAULT_16

[David Daney]

On 08/04/2017 06:27 AM, James Hogan wrote:
> On Sat, Feb 20, 2016 at 12:09:28AM +0000, Yang Shi wrote:
> > In the octeon defconfig, NR_CPUS is 32. And, some model of OCTEON II do have
> > > 16 cores. Given the typical memory size equipped by Octeon boards, it sounds
> > like not a big deal to set a bigger NR_CPUS value as default.
> >
> > Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxx>
> > ---
> >   arch/mips/Kconfig | 1 -
> >   1 file changed, 1 deletion(-)
> >
> > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> > index ab433d3..a885156 100644
> > --- a/arch/mips/Kconfig
> > +++ b/arch/mips/Kconfig
> > @@ -885,7 +885,6 @@ config CAVIUM_OCTEON_SOC
> >          select USE_OF
> >          select ARCH_SPARSEMEM_ENABLE
> >          select SYS_SUPPORTS_SMP
> > -       select NR_CPUS_DEFAULT_16
>
> So should this select NR_CPUS_DEFAULT_32 instead?


There are OCTEON systems today with 96 CPUs, so something 96 or greater 
would let us avoid changing this more than once.

David Daney


> Cheers
> James
>
> >          select BUILTIN_DTB
> >          select MTD_COMPLEX_MAPPINGS
> >          help
> > --
> > 2.0.2