Messages in this thread | | | Date | Wed, 18 Feb 2015 11:47:01 -0800 | Subject | Re: [PATCH] x86, boot: Allow 64bit EFI kernel to be loaded above 4G | From | Yinghai Lu <> |
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On Wed, Feb 18, 2015 at 3:29 AM, Baoquan He <bhe@redhat.com> wrote: > On 02/17/15 at 11:22pm, Yinghai Lu wrote: >> On Tue, Feb 10, 2015 at 10:11 PM, Baoquan He <bhe@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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