gsoc2013-patch and questions

Peng Fan van.freenix at gmail.com
Sat Mar 23 08:03:39 UTC 2013


Thanks for your reply, Gedare.

2013/3/22 Gedare Bloom <gedare at rtems.org>

> On Thu, Mar 21, 2013 at 9:47 PM, Peng Fan <van.freenix at gmail.com> wrote:
> > Hi all,
> >         I followed the "GSoC_Getting_Started" , modified init.c of the
> hello
> > sample and used "git diff master mybranch" to get the      patch.
> Patch looks fine.
>
> >        I am new to gsoc,so there maybe something wrong with what I have
> > done.I hope you can point it out.I will appreciate your help.I am
> interested
> > in "mmu support" and "improvements on smp support" listed on the "Open
> > projects" page. I am reading the mmu code written in gsoc2012. In the
> code,
> > it uses 1MB section as a unit.Is it coases-grained or too large? why not
> use
> > 4kB page as a fine-grained unit?
> The "page size" varies between architecture families / MMU hardware,
> and some kinds of MMU hardware that do not implement virtual memory
> will not know about page size at all, e.g. an MPU.
>

Maybe this needs a common Low Level interface to manage the differences
between different archs and different mm(p)us?


> >       Anyone can give me some advice about who should i contact about the
> > proposal?Thanks very much.
> >
> This mailing list is a good place to post questions.
>
> >
> > _______________________________________________
> > rtems-devel mailing list
> > rtems-devel at rtems.org
> > http://www.rtems.org/mailman/listinfo/rtems-devel
> >
>
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