Re: [PATCH] x86: use pgd accessors when cloning a pgd range.

From: Jeremy Fitzhardinge
Date: Wed Oct 27 2010 - 13:31:45 EST


On 10/27/2010 10:18 AM, H. Peter Anvin wrote:
> On 10/27/2010 9:50 AM, Jeremy Fitzhardinge wrote:
>>
>> This never used to be a problem. Perhaps we can change how
>> clone_pgd_range is used at boot time to avoid it in the Xen case (since
>> we don't care about the secondary pagetable)?
>>
>
> Xen shouldn't have any users of this, since it's used for low-level
> operations like SMP bootstrap, suspend to RAM, reboot and low-level
> BIOS functionality.
>

Right, but it is being called smack in the middle of setup_arch(). It
looks like they could be hidden away in
native_pagetable_setup_start/done though.

J
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