Re: [patch 0/2] x86, UV: fixups for configurations with a largenumber of nodes.

From: Ingo Molnar
Date: Fri Oct 16 2009 - 08:54:58 EST



* Robin Holt <holt@xxxxxxx> wrote:

> > uv_nshift = uv_hub_info->m_val;
> >
> > to (in essence):
> >
> > uv_hub_info->m_val & ((1UL << uv_hub_info->n_val) - 1)
> >
> > which is not the same. Furthermore, the new inline is:
>
> You have an excellent point there. That was a bug as well. That may
> explain a few of our currently unexplained bau hangs. The value is
> supposed to be a pnode instead of the current gnode.

So ... is the commit log message i've put into the commit below correct,
or is it still only a cleanup patch? You really need to put that kind of
info into your changelogs - it helps maintainers put it into the right
kernel release.

Ingo

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