Re: [PATCH 0/14] v2 multi-die/package topology support

From: Peter Zijlstra
Date: Tue Feb 26 2019 - 13:51:36 EST


On Tue, Feb 26, 2019 at 01:19:58AM -0500, Len Brown wrote:
> Restored sysfs core_siblings, core_siblings_list
>
> v1 proposed re-defining this existing attribute to
> be the threads in a die, rather than in a package.
>
> For compatibility, decided rather to keep this
> attribute unchanged, for now, even though
> its name makes little sense, and it makes
> no sense in a multi-die system.

So why do things that make no sense? What breaks?