Re: [PATCH -mm 0/3] i386 boot: replace boot_ioremap with enhancedbt_ioremap

[Ingo Molnar]

* Huang, Ying <ying.huang@xxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/