Le 27/08/2021 à 18:34, Nicholas Piggin a écrit :
Microwatt is radix-only, so stop selecting the hash MMU code.
This saves 20kB compressed dtbImage and 56kB vmlinux size.
Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
arch/powerpc/configs/microwatt_defconfig | 1 -
arch/powerpc/platforms/Kconfig.cputype | 1 +
arch/powerpc/platforms/microwatt/Kconfig | 1 -
3 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/configs/microwatt_defconfig
b/arch/powerpc/configs/microwatt_defconfig
index bf5f2e5905eb..6fbad42f9e3d 100644
--- a/arch/powerpc/configs/microwatt_defconfig
+++ b/arch/powerpc/configs/microwatt_defconfig
@@ -26,7 +26,6 @@ CONFIG_PPC_MICROWATT=y
# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
CONFIG_CPU_FREQ=y
CONFIG_HZ_100=y
-# CONFIG_PPC_MEM_KEYS is not set
# CONFIG_SECCOMP is not set
# CONFIG_MQ_IOSCHED_KYBER is not set
# CONFIG_COREDUMP is not set
diff --git a/arch/powerpc/platforms/Kconfig.cputype
b/arch/powerpc/platforms/Kconfig.cputype
index 9b90fc501ed4..b9acd6c68c81 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -371,6 +371,7 @@ config SPE
config PPC_64S_HASH_MMU
bool "Hash MMU Support"
depends on PPC_BOOK3S_64
+ depends on !PPC_MICROWATT
Do we really want to start nit picking which platforms can select such or such
option ?
Isn't it enough to get it off through the defconfig ?
Is PPC_MICROWATT mutually exclusive with other book3s64 configs ? Don't we
build multiplatform kernels ?
default y
select PPC_MM_SLICES
help
diff --git a/arch/powerpc/platforms/microwatt/Kconfig
b/arch/powerpc/platforms/microwatt/Kconfig
index e0ff2cfc1ca0..4f0ce292a6ce 100644
--- a/arch/powerpc/platforms/microwatt/Kconfig
+++ b/arch/powerpc/platforms/microwatt/Kconfig
@@ -6,7 +6,6 @@ config PPC_MICROWATT
select PPC_XICS
select PPC_ICS_NATIVE
select PPC_ICP_NATIVE
- select PPC_HASH_MMU_NATIVE if PPC_64S_HASH_MMU
select PPC_UDBG_16550
select ARCH_RANDOM
help
