linux-kernel - Re: STIBP by default.. Revert?

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Message-ID: <6624874d-3e5b-1d41-7962-9291dd2eaa1a@linux.intel.com>
Date:   Wed, 21 Nov 2018 07:43:50 +0800
From:   Arjan van de Ven <arjan@...ux.intel.com>
To:     Jiri Kosina <jikos@...nel.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        David Woodhouse <dwmw@...zon.co.uk>,
        Andi Kleen <ak@...ux.intel.com>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        "Schaufler, Casey" <casey.schaufler@...el.com>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: STIBP by default.. Revert?

On 11/20/2018 11:27 PM, Jiri Kosina wrote:
> On Mon, 19 Nov 2018, Arjan van de Ven wrote:
> 
>> In the documentation, AMD officially recommends against this by default,
>> and I can speak for Intel that our position is that as well: this really
>> must not be on by default.
> 
> Thanks for pointing to the AMD doc, it's indeed clearly stated there.
> 
> Is there any chance this could perhaps be added to Intel documentation as
> well, so that we avoid cases like this in the future?

absolutely that's now already in progress;
the doc publishing process is a bit on the long side unfortunately so it won't
be today ;)