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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue, 9 Jul 2019 22:15:21 -0700
Message-ID: <CAHk-=wjh+h_-fd-gJz=wor42ZNmqq46QnB90jyfzqmKLsLFWOg@mail.gmail.com>
Subject: Re: [GIT PULL] x86/topology changes for v5.3
To:     Thomas Gleixner <tglx@linutronix.de>
Cc:     Ingo Molnar <mingo@kernel.org>, Kees Cook <keescook@chromium.org>,
        Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
        Borislav Petkov <bp@alien8.de>, Len Brown <lenb@kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Andrew Morton <akpm@linux-foundation.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
        Tony Luck <tony.luck@intel.com>, Jiri Kosina <jkosina@suse.cz>,
        Bob Moore <robert.moore@intel.com>,
        Erik Schmauss <erik.schmauss@intel.com>
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On Tue, Jul 9, 2019 at 8:21 PM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> Whee. It looks like it's bisecting to the same thing. Only partway
> done, but it feels very much like my desktop.

Confirmed.

With that config, I get this

  c21ac93288f0 (refs/bisect/bad) Merge tag 'v5.2-rc6' into x86/asm, to
refresh the branch
  8dbec27a242c (HEAD) x86/asm: Pin sensitive CR0 bits
  873d50d58f67 x86/asm: Pin sensitive CR4 bits

ie those "pin sensitive bits" merge is bad, but before the commits is good.

I think there is _another_ problem too, and maybe it's the APCI one,
but this one triggers some issue before the other issue even gets to
play..

                 Linus