RE: [PATCH 0/3] Use mm_struct and switch_mm() instead of manually

> > 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

RE: [PATCH 0/3] Use mm_struct and switch_mm() instead of manually

> > 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

Re: [PATCH 0/3] Use mm_struct and switch_mm() instead of manually

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

Re: [PATCH 0/3] Use mm_struct and switch_mm() instead of manually

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