Re: Predictable CPU discovery

[Rin Okuyama <rokuyama.rk%gmail.com@localhost>]

On 2020/07/04 2:27, Ryo Shimizu wrote:
> I initially overlooked the timing of the vindexsize update. Thanks Jared for pointing that out.
>
> > Alternatively, other ports use uvm_page_recolor(9) when secondary
> > CPUs are attached:
> >
> > https://nxr.netbsd.org/source/s?refs=uvm_page_recolor&project=src
> >
> > For aarch64, something like the attached patch makes sense? (Sorry,
> > compile-test only since I don't have big.LITTLE processors...)
>
> I've tested it and it seems to be fine.
> I tried to force recolor on BigCluster by returning a dummy (larger) vindexsize,
> but it seemed to work.
>
> One more point.
>
>      if (uvm.page_init_done)
>         uvm_page_recolor(vindexsize / PAGE_SIZE);
>
> It may be better to use.

Committed.

http://mail-index.netbsd.org/source-changes/2020/07/04/msg118994.html

Thank you for confirmation!

rin