Re: [PATCH v5 09/13] xen: add cache coloring allocator for domains

[Carlo Nonato <carlo.nonato@xxxxxxxxxxxxxxx>]

Hi Jan,

On Tue, Jan 9, 2024 at 11:33 AM Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> On 09.01.2024 11:28, Jan Beulich wrote:
> > On 02.01.2024 10:51, Carlo Nonato wrote:
> >> v5:
> >> - Carlo Nonato as the new author
> >> - the colored allocator balances color usage for each domain and it 
> >> searches
> >>   linearly only in the number of colors (FIXME removed)
> >
> > While this addresses earlier concerns, meanwhile NUMA work has also
> > been progressing. What's the plan of interaction of coloring with it?
>
> Thinking of interactions - what about static memory? Is coloring incompatible
> with that? If so, should the two features be excluded to both be used at the
> same time?

This was done in one of the earlier revisions. Then it was dropped because
we thought that it would have been better to have a binary that supported both
static memory and coloring. The only checks are done at runtime.

> Jan

Thanks.