Re: [PATCH v2] arm64: mm: don't use CON and BLK mapping if KFENCE is enabled
From: Catalin Marinas
Date: Tue May 25 2021 - 10:02:10 EST
On Tue, 25 May 2021 10:45:51 +0800, Jisheng Zhang wrote:
> When we added KFENCE support for arm64, we intended that it would
> force the entire linear map to be mapped at page granularity, but we
> only enforced this in arch_add_memory() and not in map_mem(), so
> memory mapped at boot time can be mapped at a larger granularity.
> When booting a kernel with KFENCE=y and RODATA_FULL=n, this results in
> the following WARNING at boot:
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: mm: don't use CON and BLK mapping if KFENCE is enabled