On 12/11/19 12:25 PM, Pete Batard wrote:
From: Ard Biesheuvel
When using ACPI OpRegions to poke device registers, Linux will use
the UEFI memory map to decide which memory attributes to use, and
so they should not be described as cacheable memory.
Since MMIO regions that don't require an OS
From: Ard Biesheuvel
When using ACPI OpRegions to poke device registers, Linux will use
the UEFI memory map to decide which memory attributes to use, and
so they should not be described as cacheable memory.
Since MMIO regions that don't require an OS virtual mapping at runtime
don't really
