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SubjectRe: [tip:x86/urgent] x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels
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For this particular game, not 16-bit in general.   The installer, also
16-bit, runs perfectly. Already filed wine bug 35977.

On Sat, Apr 12, 2014 at 1:18 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> So Wine regressed and noone noticed? They doesn't sound like an active user base.
>
> On April 11, 2014 9:44:22 PM PDT, Brian Gerst <brgerst@gmail.com> wrote:
>>On Fri, Apr 11, 2014 at 2:50 PM, Linus Torvalds
>><torvalds@linux-foundation.org> wrote:
>>> On Fri, Apr 11, 2014 at 11:45 AM, Brian Gerst <brgerst@gmail.com>
>>wrote:
>>>>
>>>> I haven't tested it recently but I do know it has worked on 64-bit
>>>> kernels. There is no reason for it not to, the only thing not
>>>> supported in long mode is vm86. 16-bit protected mode is unchanged.
>>>
>>> Afaik 64-bit windows doesn't support 16-bit binaries, so I just
>>> assumed Wine wouldn't do it either on x86-64. Not for any real
>>> technical reasons, though.
>>>
>>> HOWEVER. I'd like to hear something more definitive than "I haven't
>>> tested recently". The "we don't break user space" is about having
>>> actual real *users*, not about test programs.
>>>
>>> Are there people actually using 16-bit old windows programs under
>>> wine? That's what matters.
>>>
>>> Linus
>>
>>I just verified that the game does still run on a 64-bit kernel
>>(3.13.8-200.fc20.x86_64). It needed an older version of Wine, but
>>that's a Wine regression and not kernel related.
>
> --
> Sent from my mobile phone. Please pardon brevity and lack of formatting.


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