# git rev-parse -q --verify ff9e8f41513669e290f6e1904e1bc75950584491^{commit} ff9e8f41513669e290f6e1904e1bc75950584491 already have revision, skipping fetch # git checkout -q -f -B kisskb ff9e8f41513669e290f6e1904e1bc75950584491 # git clean -qxdf # < git log -1 # commit ff9e8f41513669e290f6e1904e1bc75950584491 # Author: Michael Ellerman # Date: Thu Aug 24 22:28:49 2023 +1000 # # powerpc/mm: Allow ARCH_FORCE_MAX_ORDER up to 12 # # Christophe reported that the change to ARCH_FORCE_MAX_ORDER to limit the # range to 10 had broken his ability to configure hugepages: # # # echo 1 > /sys/kernel/mm/hugepages/hugepages-8192kB/nr_hugepages # sh: write error: Invalid argument # # Several of the powerpc defconfigs previously set the # ARCH_FORCE_MAX_ORDER value to 12, via the definition in # arch/powerpc/configs/fsl-emb-nonhw.config, used by: # # mpc85xx_defconfig # mpc85xx_smp_defconfig # corenet32_smp_defconfig # corenet64_smp_defconfig # mpc86xx_defconfig # mpc86xx_smp_defconfig # # Fix it by increasing the allowed range to 12 to restore the previous # behaviour. # # Fixes: 358e526a1648 ("powerpc/mm: Reinstate ARCH_FORCE_MAX_ORDER ranges") # Reported-by: Christophe Leroy # Closes: https://lore.kernel.org/all/8011d806-5b30-bf26-2bfe-a08c39d57e20@csgroup.eu/ # Tested-by: Christophe Leroy # Signed-off-by: Michael Ellerman # Link: https://msgid.link/20230824122849.942072-1-mpe@ellerman.id.au # < /opt/cross/kisskb/korg/gcc-12.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-12.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 ff9e8f41513669e290f6e1904e1bc75950584491 # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc12 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-12.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc85xx_defconfig Using /kisskb/src/arch/powerpc/configs/mpc85xx_base.config as base Merging /kisskb/src/arch/powerpc/configs/85xx-32bit.config Merging /kisskb/src/arch/powerpc/configs/85xx-hw.config Merging /kisskb/src/arch/powerpc/configs/fsl-emb-nonhw.config # # merged configuration written to .config (needs make) # # Added to kconfig CONFIG_PPC_E500MC=y # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM_E500MC=y # Added to kconfig # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc12 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-12.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc12 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-12.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4541:warning: override: reassigning to symbol PPC_E500MC .config:4542:warning: override: reassigning to symbol VIRTUALIZATION # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc12 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-12.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/include/linux/build_bug.h:5, from /kisskb/src/include/linux/container_of.h:5, from /kisskb/src/include/linux/list.h:5, from /kisskb/src/include/linux/module.h:12, from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15: /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/include/linux/err.h:28:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 28 | #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) | ^ /kisskb/src/include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:138:13: note: in expansion of macro 'IS_ERR_VALUE' 138 | if (IS_ERR_VALUE(fep->ring_mem_addr)) | ^~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc12 # Build took: 0:02:16.908340