Re: [x86-tip] strange nr_cpus= boot regression

From: Mike Galbraith
Date: Mon Sep 26 2016 - 23:13:51 EST

On Mon, 2016-09-26 at 15:35 -0400, Thomas Gleixner wrote:
> On Mon, 26 Sep 2016, Thomas Gleixner wrote:
> > Can you please provide your .config and the dmesg of a bad and a good run?
> Don't bother. I found it.
> It's a merge artifact. So git bisect pointing at the merge commit is
> entirely correct.
> mainline moves
> > num_processors++;
> to a different place in the function. See commit c291b0151585.
> Now the nodeid patch set in x86/apic does not have this commit and so
> f7c28833c2520 removes num_processors++ from the original location before
> c291b0151585.

Whew, no mythical creature infestation. Thanks, next encounter with
such an artifact should provide markedly less entertainment.