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Date:   Tue, 20 Feb 2018 18:18:12 +0100 (CET)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Reinette Chatre <reinette.chatre@intel.com>
cc:     fenghua.yu@intel.com, tony.luck@intel.com, gavin.hindman@intel.com,
        vikas.shivappa@linux.intel.com, dave.hansen@intel.com,
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        linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH V2 11/22] x86/intel_rdt: Associate pseudo-locked
 regions with its domain
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On Tue, 20 Feb 2018, Reinette Chatre wrote:
> On 2/20/2018 2:00 AM, Thomas Gleixner wrote:
> > On Mon, 19 Feb 2018, Reinette Chatre wrote:
> >> In addition to the above research from my side I also followed up with
> >> the CPU architects directly to question the usage of these instructions
> >> instead of wbinvd.
> > 
> > What was their answer? This really wants a proper explanation and not just
> > experimentation results as it makes absolutely no sense at all.
> 
> I always prefer to provide detailed answers but here I find myself at
> the threshold where I may end up sharing information not publicly known.
> This cannot be the first time you find yourself in this situation. How
> do you prefer to proceed?

Well, if it's secret sauce we'll have to accept it. Though it really does
not improve the confidence in all those mechanisms ....

Thanks,

	tglx