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[14.203.144.177]) by smtp.gmail.com with ESMTPSA id e6sm7205716pfm.212.2021.10.21.15.31.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Oct 2021 15:31:09 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v3 18/18] powerpc/microwatt: Don't select the hash MMU code Date: Fri, 22 Oct 2021 08:30:13 +1000 Message-Id: <20211021223013.2641952-19-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20211021223013.2641952-1-npiggin@gmail.com> References: <20211021223013.2641952-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Microwatt is radix-only, so it does not require hash MMU support. This saves 20kB compressed dtbImage and 56kB vmlinux size. Signed-off-by: Nicholas Piggin --- arch/powerpc/configs/microwatt_defconfig | 2 +- arch/powerpc/platforms/microwatt/Kconfig | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig index 6e62966730d3..de1dcff05734 100644 --- a/arch/powerpc/configs/microwatt_defconfig +++ b/arch/powerpc/configs/microwatt_defconfig @@ -16,6 +16,7 @@ CONFIG_EMBEDDED=y # 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 +28,6 @@ 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/microwatt/Kconfig b/arch/powerpc/platforms/microwatt/Kconfig index 823192e9d38a..5e320f49583a 100644 --- a/arch/powerpc/platforms/microwatt/Kconfig +++ b/arch/powerpc/platforms/microwatt/Kconfig @@ -5,7 +5,6 @@ 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 -- 2.23.0