Re: [PATCH] x86/kconfig/32: Make CONFIG_VM86 default to n and remove EXPERT
From: Ingo Molnar
Date: Fri Jul 10 2015 - 04:45:36 EST
* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> [...]
>
> The one thing we might want to do is to rename the config option, simply to make
> sure that people who do "make oldconfig" will actually see the new question and
> hopefully pick the new default rather than just getting their old "y" without
> even seeing it. Call the option "LEGACY_VM86" or something, perhaps?
Absolutely!
The 'default n' makes very little sense without changing the name - most distros
have the old symbol already and will just grandfather in at whatever value it was.
Change the name and also update the help text to make it scarier: point out that
it has known quirks and that we don't really trust the code because it's ancient,
crippled on the hardware side because vm86 mode was never fully documented by CPU
makers, back when x86 CPU makers (and Microsoft) considered virtualization an
enemy of Windows revenue.
Thanks,
Ingo
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