linux-kernel - Re: [patch 1/2] x86,module: Detect VMX modules and disable Split-Lock-Detect

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Message-ID: <871rp5omxw.fsf@nanos.tec.linutronix.de>
Date:   Thu, 02 Apr 2020 18:46:19 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Kenneth R. Crudup" <kenny@...ix.com>,
        Andy Lutomirski <luto@...capital.net>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        "Peter Zijlstra \(Intel\)" <peterz@...radead.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Jessica Yu <jeyu@...nel.org>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Xiaoyao Li <xiaoyao.li@...el.com>,
        Nadav Amit <namit@...are.com>,
        Thomas Hellstrom <thellstrom@...are.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [patch 1/2] x86,module: Detect VMX modules and disable Split-Lock-Detect

"Kenneth R. Crudup" <kenny@...ix.com> writes:
> On Thu, 2 Apr 2020, Andy Lutomirski wrote:
>> This seems like much more of a fixup than we would usually do ....
>
> TBH, I was kinda surprised to see that patchset myself.
>
> 	-Kenny, guessing Linus hasn't read this far yet :)

The much we hate it, we simply have users depending on these things for
various reasons.

That said, I'm perfectly fine with changing it to 'refuse module load'.

Thanks,

        tglx