Re: [PATCH v2 8/8] riscv: mm: Add support for ZONE_DEVICE
From: Björn Töpel
Date: Wed May 15 2024 - 03:03:13 EST
Björn Töpel <bjorn@xxxxxxxxxx> writes:
> From: Björn Töpel <bjorn@xxxxxxxxxxxx>
>
> ZONE_DEVICE pages need DEVMAP PTEs support to function
> (ARCH_HAS_PTE_DEVMAP). Claim another RSW (reserved for software) bit
> in the PTE for DEVMAP mark, add the corresponding helpers, and enable
> ARCH_HAS_PTE_DEVMAP for riscv64.
..and this patch has rv32 build issues. Will fix as well.