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

[H. Peter Anvin]

On 04/11/2014 03:15 PM, Andy Lutomirski wrote:
> 
> I just looked up my hideous code.  I was doing this to test the
> now-deleted int 0xcc vsyscall stuff.  I used modify_ldt because either
> I didn't realize that __USER32_CS was usable or I didn't think it was
> ABI.  Or I was just being silly.
> 
> But yes, breaking my hack would not matter. :)
> 

Either way, it wouldn't break it.

	-hpa


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