Re: [PATCH -mm 1/3] i386 boot: replace boot_ioremap with enhancedbt_ioremap - enhance bt_ioremap

From: Ian Campbell
Date: Fri Jan 18 2008 - 12:46:21 EST



On Fri, 2008-01-18 at 09:27 -0800, Jeremy Fitzhardinge wrote:
> Ingo Molnar wrote:
> > * Ian Campbell <ijc@xxxxxxxxxxxxxx> wrote:
> >
> >
> >>> Eric Biederman had a patchset that makes a PAE kernel use PAE page
> >>> tables from the start. That is really The Right Thing[TM].
> >>>
> >> That's much saner than dup'ing up the early ioremap stuff to support
> >> both PAE and non-PAE at runtime, which is about the only idea I've got
> >> for fixing this right now...
> >>
> >> I think I'll just back out the early_ioremap patches locally for now
> >> and wait for Eric's patches which should cause the fix for this issue
> >> to just fall out in the wash.
> >>
> >
> > Eric's patchset is nowhere near being submitted - he _had_ a patchset.
> > So this needs to be fixed by the Xen-guest folks. (if the easiest/best
> > fix is to pick up Eric's patchset, then plese do it so)
> >
>
> This is only relevent to dom0 isn't it? sct is looking at that at the
> moment.

The early_ioremap stuff gets called on domU too, for example
get_bios_ebda(). Or was the intention that these should be gated at a
higher level?

Ian.
--
Ian Campbell

Pie are not square. Pie are round. Cornbread are square.

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