Re: [RFC PATCH 5/6] powerpc/microwatt: select POWER9_CPU

Excerpts from Christophe Leroy's message of August 28, 2021 7:50 pm:

Le 27/08/2021 à 18:34, Nicholas Piggin a écrit :

quoted

Microwatt implements a subset of ISA v3.0 which is equivalent to
the POWER9_CPU selection.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
  arch/powerpc/configs/microwatt_defconfig | 1 +
  arch/powerpc/platforms/microwatt/Kconfig | 1 +
  2 files changed, 2 insertions(+)

diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig
index a08b739123da..bf5f2e5905eb 100644
--- a/arch/powerpc/configs/microwatt_defconfig
+++ b/arch/powerpc/configs/microwatt_defconfig

@@ -14,6 +14,7 @@ CONFIG_EMBEDDED=y
  # CONFIG_COMPAT_BRK is not set
  # CONFIG_SLAB_MERGE_DEFAULT is not set
  CONFIG_PPC64=y
+CONFIG_POWER9_CPU=y

That shouldn't be needed in the defconfig because you select it below. You can use make 
savedefconfig to confirm.

Good point.

Thanks,
Nick