[PATCH 2/4] S390: Use own tbegin macro instead of __builtin_tbegin.

[Florian Weimer]

On 01/13/2017 04:32 PM, Torvald Riegel wrote:

> Anyway, I'm not sure whether this gives user code more means to exploit
> or probe something, or not.  Maybe I was just too cautious here.

Well, on a certain level, it's no worse than fork. :)

I'm not too worried about it (even though fork is of course abused in 
this way, it used to be the main reason why Windows and Linux exploit 
development were so different).

Florian