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| author |   Nicholas Piggin <npiggin@gmail.com> | 2021-12-02 00:41:53 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-12-09 22:41:16 +1100 |
| commit | 31284f703db2f1605b2dbc6bb0632b04d7be13e7 (patch) | |
| tree | 5fab61316cd4448fb80fb4ed3db8b9ad5527c73d /arch/powerpc/configs | |
| parent | powerpc/64s: Move hash MMU support code under CONFIG_PPC_64S_HASH_MMU (diff) | |
| download | linux-dev-31284f703db2f1605b2dbc6bb0632b04d7be13e7.tar.xz linux-dev-31284f703db2f1605b2dbc6bb0632b04d7be13e7.zip | |
powerpc/microwatt: add POWER9_CPU, clear PPC_64S_HASH_MMU
Microwatt implements a subset of ISA v3.0 (which is equivalent to
the POWER9_CPU option). It is radix-only, so does not require hash
MMU support.
This saves 20kB compressed dtbImage and 56kB vmlinux size.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211201144153.2456614-19-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/configs')
| -rw-r--r-- | arch/powerpc/configs/microwatt_defconfig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig index 07d87a4044b2..eff933ebbb9e 100644 --- a/arch/powerpc/configs/microwatt_defconfig +++ b/arch/powerpc/configs/microwatt_defconfig @@ -15,6 +15,8 @@ CONFIG_EMBEDDED=y # CONFIG_COMPAT_BRK is not set # CONFIG_SLAB_MERGE_DEFAULT is not set CONFIG_PPC64=y +CONFIG_POWER9_CPU=y +# CONFIG_PPC_64S_HASH_MMU is not set # CONFIG_PPC_KUEP is not set # CONFIG_PPC_KUAP is not set CONFIG_CPU_LITTLE_ENDIAN=y @@ -27,7 +29,6 @@ CONFIG_PPC_MICROWATT=y CONFIG_CPU_FREQ=y CONFIG_HZ_100=y CONFIG_PPC_4K_PAGES=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 |