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Re: [Xen-devel] [RFC v1 5/8] x86/init: move ebda reservations into linker table

On Thu, Dec 17, 2015 at 12:57:49PM -0800, Andy Lutomirski wrote:
> On Thu, Dec 17, 2015 at 12:55 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> > On 12/17/15 12:48, Andy Lutomirski wrote:
> >>
> >> I'm entirely ignorant of anything going on in gPXE/iPXE.
> >>
> >> Can you explain what a linker table *does*?  It looks like all you've
> >> done in this patch is to move code around.  What actually happens?
> >>
> >
> > A linker table is a data structure that is stitched together from items
> > in multiple object files.
> >
> > We already have a *bunch* of linker tables in Linux, mostly the init
> > tables, but they are all built in an ad hoc manner which requires linker
> > script modifications, which are of course per architecture.
> >
> > My desire would be to make a general linker table facility so that a new
> > linker table can be implemented by changing C code only.
> Sounds good to me.

That's what this actually accomplishes, there are just a few caveats to 
more on this shortly on the other thread in this patch series.


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