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Re: who pages the pager?
From: |
Espen Skoglund |
Subject: |
Re: who pages the pager? |
Date: |
Wed, 19 Oct 2005 18:42:33 +0200 |
[ness ]
> Jonathan S. Shapiro wrote:
>> On Tue, 2005-10-18 at 16:23 +0100, Neal H. Walfield wrote:
>>
>>> Good question. If the pager is not wired then it needs some support
>>> from an external task which is able to page the pager's code and data.
>>> This task may or may not be wired, however, eventually, somewhere up
>>> the paging hierarchy, something needs to be wired.
>>>
>>> The next question would be: what does this mechanism look like? I
>>> don't yet have a good idea.
>>
>>
>> I can answer this for EROS/Coyotos, but I think that Espen is better
>> able to answer it for L4, and I'm not clear which system ness is asking
>> about.
> hm... I don't know my self. Maybye both answers are interesting.
I'd say that the answer (in the L4 case at least) very much depends on
the system you're building on top.
eSk