| Date | Fri, 11 Apr 2014 14:35:05 -0400 | Subject | Re: [tip:x86/urgent] x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels | From | Brian Gerst <> |
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On Fri, Apr 11, 2014 at 2:29 PM, H. Peter Anvin <hpa@zytor.com> wrote: > On 04/11/2014 11:27 AM, Brian Gerst wrote: >> Is this bug really still present in modern CPUs? This change breaks >> running 16-bit apps in Wine. I have a few really old games I like to >> play on occasion, and I don't have a copy of Win 3.11 to put in a VM. > > It is not a bug, per se, but an architectural definition issue, and it > is present in all x86 processors from all vendors. > > Yes, it does break running 16-bit apps in Wine, although Wine could be > modified to put 16-bit apps in a container. However, this is at best a > marginal use case.
Marginal or not, it is still userspace breakage.
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