linux-kernel - Re: Re: stop breaking dosemu (Re: x86/kconfig/32: Rename CONFIG

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Message-ID: <CALCETrWmpPJZq+xOVdphscW=i2O0ao1ScVC-mBXyA4Kh88_DRQ@mail.gmail.com>
Date:	Wed, 2 Sep 2015 09:03:02 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Andrew Bird <ajb@...eresystems.co.uk>
Cc:	Stas Sergeev <stsp@...t.ru>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Kees Cook <keescook@...omium.org>,
	Brian Gerst <brgerst@...il.com>
Subject: Re: Re: stop breaking dosemu (Re: x86/kconfig/32: Rename CONFIG_VM86
 and default it to 'n')

On Wed, Sep 2, 2015 at 8:27 AM, Andrew Bird <ajb@...eresystems.co.uk> wrote:
> Hi Andy,
> Yes I know of a least one instance of a company specifically running 32bit
> server purely so that they can eek out every last drop of performance from
> a legacy DOS business application using the hardware rather than emulation.
> As an indication, the speedup of doing this for his application is around
> 2x, this is not trivial to him as in the past he has overclocked his
> machines for this very reason.
> From a user perspective, being able to control this at runtime is most
> desirable, switching kconfig and rebuilding kernels is not, as he wants to
> run stock distro kernels.
> Thanks for looking at this.
>

Will do.

Given that dosemu2 is actively developed, maybe I should see about
packaging it for Fedora.  It'll make testing easier.

--Andy
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