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List: eros-arch
Subject: time of day (EROS/KeyKOS divergence)
From: shap () eros ! cis ! upenn ! edu shap () eros ! cis ! upenn ! edu
Date: 1998-11-22 1:35:19
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> If it [the time of day page] is implemented by updating a page
> whenever the time changes (the resolution being low enough to make
> this feasible), there is no need to do this in the kernel. Any user
> can provide this service by waiting until a time change and updating
> an ordinary page.
I chose a kernel implementation because I may want the time of day (or
some equivalent) page to include a tick-granularity clock. At tick
granularity, I definitely don't want to be scheduling a user-mode
process.
Otherwise, your point is well taken.
shap
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