linux-kernel - Re: [patch 8/9] x86/iopl: Remove legacy IOPL option

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Date:   Thu, 7 Nov 2019 08:44:55 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Jürgen Groß <jgross@...e.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Willy Tarreau <w@....eu>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [patch 8/9] x86/iopl: Remove legacy IOPL option

On Thu, 7 Nov 2019 07:11:49 +0100
Jürgen Groß <jgross@...e.com> wrote:

> On 06.11.19 20:35, Thomas Gleixner wrote:
> > The IOPL emulation via the I/O bitmap is sufficient. Remove the legacy
> > cruft dealing with the (e)flags based IOPL mechanism.
> > 
> > Signed-off-by: Thomas Gleixner <tglx@...utronix.de>  
> 
> Reviewed-by: Juergen Gross <jgross@...e.com> (Paravirt and Xen parts)

I am happy to see this go. The DPDK only did initially because it
was only way virtio would work at the time.

Acked-by: Stephen Hemminger <stephen@...workplumber.org>