On Wed, Feb 18, 2015 at 3:29 AM, Baoquan He <b...@redhat.com> wrote:
> On 02/17/15 at 11:22pm, Yinghai Lu wrote:
>> On Tue, Feb 10, 2015 at 10:11 PM, Baoquan He <b...@redhat.com> wrote:
> I am sorry I didn't get what you mean. I have tried to set another ident
> mapping for new range and it is successful seeing from debug message
> printing. However it always reboot because of GPF. That's why I made
> that small debug patch which add another 4G ident mapping and hardcoded
> to put kernel between 4G and 8G.
>
> Could you say more of it?  Or which direction should I go?

I would suggest:
leave physical address random handling to bootloader, as bootloader always
need to set ident mapping to cover kernel/bootparam/cmdline.

For virtual address random handling it should go kasl in kernel.

Thanks

Yinghai
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