Re: Re: stop breaking dosemu (Re: x86/kconfig/32: Rename CONFIG_VM86 and default it to 'n')

From: Andy Lutomirski
Date: Wed Sep 02 2015 - 12:03:26 EST


On Wed, Sep 2, 2015 at 8:27 AM, Andrew Bird <ajb@xxxxxxxxxxxxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/