Re: [PATCH] Fix e820 end address with EFI

[Yinghai Lu]

On Sun, Mar 1, 2009 at 6:37 PM, Huang Ying <ying.huang@xxxxxxxxx> wrote:
>> so 64bit could use ioremap_cache() too?
>> we may keep 32bit and 64bit a bit consistent.
>
> If we use ioremap_cache(), kexec runtime service will not work in kexec
> situation, which needs EFI runtime memory area to be mapped at exact
> same location across kexec. I think we should support kexec if possible.


sure.

please don't touch max_low_pfn_mapped, because some range may not
directly mapped under those efi run-time code

YH
--
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/