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

[Andy Lutomirski]

On Sat, Apr 12, 2014 at 6:25 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> On Sat, Apr 12, 2014 at 5:03 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> A signal arriving while in the user space trampoline could seriously
>> complicate life.
>
> Agreed.

Maybe I don't agree.  Have signals ever worked sensibly when delivered
to a task running on an unexpected stack or code segment?

--Andy
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