Re: problems with hierarchy: L4 pagers

[Espen Skoglund]

[Jonathan S Shapiro]
> On Mon, 2005-10-31 at 17:47 +0100, Espen Skoglund wrote:
>> Remember that faults on endpoints (communication channels) are
>> directed to the compager of the faulting thread (as opposed to
>> memory pager---I can already hear Jonathan's teeth grinding at the
>> word "pager" here), and the compager need not be the same as the
>> memory pager.

> At the moment, the only grinding of my teeth is frustration with
> myself that I find it difficult to wrap my head around something
> that is perfectly clear to you. I would not expect a second pager to
> introduce any new architecture concerns that were already in the
> first.

No, sure.  I wasn't claiming that this solved any conceptual problem.
But it can make life a lot easier for the system programmer to have
different type of faults directed at different pagers (fault
handlers).

        eSk