On Fri, 2021-10-01 at 16:57 +0200, Peter Zijlstra wrote:

On Fri, Oct 01, 2021 at 12:39:56PM +0200, Vincent Guittot wrote:

quoted

Hi Barry,

On Fri, 1 Oct 2021 at 12:32, Barry Song [off-list ref] wrote:

quoted

Hi Vincent, Dietmar, Peter, Ingo,
Do you have any comment on this first series which exposes
cluster topology
of ARM64 kunpeng 920 & x86 Jacobsville and supports load balance
only for
the 1st stage?
I will be very grateful for your comments so that things can move
forward in the
right direction. I think Tim also looks forward to bringing up
cluster
support in
Jacobsville.

This patchset makes sense to me and the addition of a new
scheduling
level to better reflect the HW topology goes in the right
direction.

So I had a look, dreading the selecti-idle-sibling changes, and was
pleasantly surprised they're gone :-)

As is, this does indeed look like something mergable without too much
hassle.

The one questino I have is, do we want default y?

I also agree that default y is preferable.

The one nit I have is the Kconfig text, I'm not really sure that's
clarifying what a cluster is.

Do you have a preference of a different name other than cluster?
Or simply better documentation on what a cluster is for ARM64
and x86 in Kconfig?

Thanks.

Tim


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