[seL4] Capability unwrapping

Harry Butterworth heb1001 at gmail.com
Fri Feb 13 11:39:57 EST 2015


Is it possible to send 1 cap to transfer ownership of a cnode full of more
caps?
On Feb 13, 2015 7:54 AM, "Raoul Duke" <raould at gmail.com> wrote:

> > However if in practice the number is always 1, 2 or 3
>
> I understand that there is a pragmatic choice to be made. And
> obviously I don't have a leg to stand on since (a) I do not contribute
> to the project, (b) nor do I even use the project! So this is one of
> those, "somebody is wrong on the Internet" kind of bike-shedding
> true-scotsman type nit picking threads on my part.
>
> Still... so far I haven't liked the wording used. I mean, how can
> anybody know what the "in practice" number "always" is? It seemed like
> /one person/ mentioned their one use case, and the magic value that
> they personally like/need. That doesn't seem to be anywhere near, "is
> always" to me. What if I decided tomorrow *I* need 7? Or even what if
> the person who said 6 comes back in a month and says, "oh, golly, did
> I say 6? I really meant to say 12." Yes, there is some amount of
> reductio ad absurdum involved ;-). But the way I have read the
> messages here it is as if God told us 6 is the right number. :-)
>
> I'll do my best to shut up now :-) :-)
>
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