linux-kernel - Re: [PATCH] x86/umip: Add a umip= cmdline switch

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Message-ID: <20210915142123.49f8137b@fortress.home.nordisch.org>
Date:   Wed, 15 Sep 2021 14:21:23 +0200
From:   Marcus Rückert <mrueckert@...e.com>
To:     Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
Cc:     Borislav Petkov <bp@...en8.de>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/umip: Add a umip= cmdline switch

On Wed, 15 Sep 2021 04:34:10 -0700
Ricardo Neri <ricardo.neri-calderon@...ux.intel.com> wrote:
> > They're all likely old, arcane applications or games run in wine
> > which people have no access to the source code anyway so come to
> > think of it, the once thing is starting to make more sense to me
> > now.
> 
> Indeed, no one has reported "modern" application using these
> instructions.

I am not sure if Blizzard Entertainment would tell us why they use this
CPU instruction in Overwatch. And that game is "only" 5 years old.

   darix

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