# Re: \[PATCH v2 1/2\] powerpc/44x: Don't support 440 when CONFIG\_PPC\_47x is set

- From: Michael Ellerman \<hidden\>
- Date: 2020-12-10 11:34:56 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2020/12/6206004
- Thread: https://ratatoskr.run/linuxppc-dev/2020/10/6142768/t.md

```text
On Sun, 18 Oct 2020 17:25:17 +0000 (UTC), Christophe Leroy wrote:
> As stated in platform/44x/Kconfig, CONFIG_PPC_47x is not
> compatible with 440 and 460 variants.
> 
> This is confirmed in asm/cache.h as L1_CACHE_SHIFT is different
> for 47x, meaning a kernel built for 47x will not run correctly
> on a 440.
> 
> [...]

Applied to powerpc/next.

[1/2] powerpc/44x: Don't support 440 when CONFIG_PPC_47x is set
      https://git.kernel.org/powerpc/c/8b8319b181fd9d6821703fef1228b4dcde613a16
[2/2] powerpc/44x: Don't support 47x code and non 47x code at the same time
      https://git.kernel.org/powerpc/c/1f69aa0b89240653fdf708aada6a3d968447cce7

cheers
```