[PATCH v2 2/4] efi/arm: map UEFI memory map even w/o runtime services enabled

James Morse james.morse at arm.com
Thu Jun 28 10:29:17 PDT 2018


Hi Akashi,

On 19/06/18 07:44, AKASHI Takahiro wrote:
> Under the current implementation, UEFI memory map will be mapped and made
> available in virtual mappings only if runtime services are enabled.

> But in a later patch, we want to use UEFI memory map in acpi_os_ioremap()
> to create mappings of ACPI tables using memory attributes described in
> UEFI memory map.
> 
> So, as a first step, arm_enter_runtime_services() will be modified
> so that UEFI memory map will be always accessible.
> 
> See a relevant commit:
>     arm64: acpi: fix alignment fault in accessing ACPI tables

For what its worth:
Acked-by: James Morse <james.morse at arm.com>


Thanks,

James



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