On 11/3/13, John Gilmore <jwgli...@gmail.com> wrote:
> I will not comment on Mr. Perryman's suspicions, which are not arguments.
>
> I will limit myself to noting that 1) an SRB cannot attach a subtask
> and 2) a [different] SRB that it scheduled into another address space
> would also disabled for I/O.
>
> Peter Relson's point is the important one here.
>
> The use of these facilities by the unwashed certainly has great
> potential for bringing
> down z/OS.  The security threat posed by an SRB executed on a cheap
> zIIP, zAAP, or the like is not, however, any greater in any way than
> the security threat of an SRB executed on an expensive standard CP.
>
> As Lewis Carroll put it in THOTS:
>
> Just the place for a Snark! I have said it twice:
> That alone should encourage the crew.
> Just the place for a Snark! I have said it thrice:
> What I tell you three times is true.
>
> --John Gilmore, Ashland, MA 01721 - USA
>


-- 
John Gilmore, Ashland, MA 01721 - USA

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