Messages in this thread | | | Date | Tue, 23 Sep 2008 08:18:43 +0200 | From | Nick Piggin <> | Subject | Re: PTE access rules & abstraction |
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On Tue, Sep 23, 2008 at 03:35:06PM +1000, Benjamin Herrenschmidt wrote: > On Mon, 2008-09-22 at 20:16 -0700, David Miller wrote: > > > > To a certain extent this is what BSD does in it's pmap layer, except > > that they don't have the page table datastructure abstraction like > > Linus does in the generic code, and which I think was a smart design > > decision on our side. > > > > All of the pmap modules in BSD are pretty big and duplicate a lot of > > code that arch's don't have to be mindful about under Linux. > > I definitely agree, I don't think we want to go away from the page table > as being the abstraction :-) But I'm wondering if we can do a little bit > better with the accessors to those page tables. > > BTW. am I the only one to have got one copy of David's reply (that I'm > quoting) coming with a From: Nick Piggin in the headers ? (apparently > coming from kvack).
No. I see that, and so does marc.
http://marc.info/?t=122184627700007&r=1&w=2
And I've only ever seen it from Dave on kvack.
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