Christophe Leroy <christophe.le...@csgroup.eu> writes: > 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 ?
Yeah that belongs in the microwatt defconfig, not as a forced exclusion in Kconfig. cheers
