Re: [PATCH] powerpc/603: Fix boot failure with DEBUG_PAGEALLOC and KFENCE

From: Michael Ellerman
Date: Thu Feb 17 2022 - 21:24:38 EST


On Tue, 7 Dec 2021 06:10:05 +0000, Christophe Leroy wrote:
> Allthough kernel text is always mapped with BATs, we still have
> inittext mapped with pages, so TLB miss handling is required
> when CONFIG_DEBUG_PAGEALLOC or CONFIG_KFENCE is set.
>
> The final solution should be to set a BAT that also maps inittext
> but that BAT then needs to be cleared at end of init, and it will
> require more changes to be able to do it properly.
>
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/603: Fix boot failure with DEBUG_PAGEALLOC and KFENCE
https://git.kernel.org/powerpc/c/9bb162fa26ed76031ed0e7dbc77ccea0bf977758

cheers