Re: [tip:x86/urgent] x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels

H. Peter Anvin
2014-05-12T16:52:18Z

On 05/12/2014 06:16 AM, Josh Boyer wrote:
> On Wed, May 7, 2014 at 12:57 PM, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
>> On Wed, May 7, 2014 at 2:18 AM, Sven Joachim <svenjoac@gmx.de> wrote:
>>>
>>> It seems that at least some 32-bit programs are also broken, since after
>>> upgrading the kernel to 3.14.3 I can no longer start my old chess
>>> database program:
>
> Now that this has hit 3.14.y stable, we have another report of this
> commit breaking something in Wine, this time MS Access 2000:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1096725 (reporter now CC'd)
>
>> So for backporting (and for 3.15) maybe this (TOTALLY UNTESTED) patch
>> would be acceptable.
>
> I don't think your patch went anywhere. I have no idea if you want to
> push that or revert or just tell people to run old apps in 32-bit
> guests at this point. Just forwarding on the information.
>

Linus is off the net at the moment. Someone needs to take his patch and
test it/clean it up.

-hpa