linux-kernel - Re: [GIT PULL] x86/topology changes for v5.3

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Message-ID: <alpine.DEB.2.21.1907100115220.1758@nanos.tec.linutronix.de>
Date:   Wed, 10 Jul 2019 01:17:11 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
cc:     Ingo Molnar <mingo@...nel.org>, Kees Cook <keescook@...omium.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Borislav Petkov <bp@...en8.de>, Len Brown <lenb@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Tony Luck <tony.luck@...el.com>, Jiri Kosina <jkosina@...e.cz>,
        Bob Moore <robert.moore@...el.com>,
        Erik Schmauss <erik.schmauss@...el.com>
Subject: Re: [GIT PULL] x86/topology changes for v5.3

On Wed, 10 Jul 2019, Thomas Gleixner wrote:
> 
> That still does not explain the cr4/0 issue you have. Can you send me your
> .config please?

Does your machine have UMIP support? None of my test boxes has. So that'd
be the difference of bits enforced in CR4. Should not matter because it's
User mode instruction prevention, but who knows.

Thanks,

	tglx