> > Changes in V3:
> > 1. When CPUMASK_OFFSTACK is enabled, switch_mm_irqs_off() sets cpumask
> > by calling cpumask_set_cpu(). This panics kernel as efi_mm is not
> > initialized, therefore initialize efi_mm in efi_alloc_page_tables().
>
> Thanks for the v3.
>
> I confirmed that the issue I saw
Hi Sai,
On Sun, Dec 17, 2017 at 5:35 AM, Sai Praneeth Prakhya
wrote:
> From: Sai Praneeth
>
> Presently, in x86, to invoke any efi function like
> efi_set_virtual_address_map() or any efi_runtime_service() the code path
> typically involves read_cr3() (save previous pgd), write_cr3()
> (write ef
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