On Tue, Sep 04, 2012 at 08:08:24AM +0000, Arnd Bergmann wrote:
> On Tuesday 04 September 2012, Stephen Rothwell wrote:
> > Today's linux-next merge of the arm-soc tree got a conflict in
> > arch/arm/mm/mmu.c between commit a849088aa155 ("ARM: Fix ioremap() of
> > address zero") from the arm-current tree and commit c2794437091a ("ARM:
> > Add fixed PCI i/o mapping") from the arm-soc tree.
> >
> > I am not sure how to fix this, so I have used the arm-current version of
> > the change to pmd_empty_section_gap() since that changed the vm->flags.
> > It may be that just changing the vm->flags value in vm_reserve_area_early()
> > would be ok?
>
> If I read this correctly, we want pci_reserve_io to use VM_ARM_STATIC_MAPPING
> while pmd_empty_section_gap should use VM_ARM_EMPTY_MAPPING, so we probably
> want to add a flag argument to the vm_reserve_area_early() function.
Whereas Rob said to me that both can use VM_ARM_EMPTY_MAPPING when I
queried this conflict last week.
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