Messages in this thread | | | Date | Tue, 15 Jan 2008 14:36:45 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH -mm 0/3] i386 boot: replace boot_ioremap with enhanced bt_ioremap |
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* Huang, Ying <ying.huang@intel.com> wrote:
> > in latest x86.git#mm there's an early_ioremap() introduced as part > > of the PAT series - available on both 32-bit and 64-bit. Could you > > take a look at it and use that if it's OK for your purposes? > > After checking the early_ioremap() implementation in > arch/x86/kernel/setup_32.c, I found that it is a duplication of > bt_ioremap() implementation in arch/x86/mm/ioremap_32.c. Both > implementations use set_fixmap(), so they can be used only after > paging_init(). > > The early_ioremap implementation provided in this patchset works as > follow: > > - Enhances bt_ioremap, make it usable before paging_init() via a > dedicated PTE page. > - Rename bt_ioremap to early_ioremap > > So I think maybe we should replace the early_ioremap() implementation > in PAT series with that of this series.
yep, agreed, that would be nice.
Ingo
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