# git rev-parse -q --verify 04483fc005f81d678e4fe63e36eab4fb39c5277b^{commit} 04483fc005f81d678e4fe63e36eab4fb39c5277b already have revision, skipping fetch # git checkout -q -f -B kisskb 04483fc005f81d678e4fe63e36eab4fb39c5277b # git clean -qxdf # < git log -1 # commit 04483fc005f81d678e4fe63e36eab4fb39c5277b # Author: Nicholas Piggin # Date: Mon Jan 18 22:34:51 2021 +1000 # # powerpc: Always enable queued spinlocks for 64s, disable for others # # Queued spinlocks have shown to have good performance and fairness # properties even on smaller (2 socket) POWER systems. This selects them # automatically for 64s. For other platforms they are de-selected, the # standard spinlock is far simpler and smaller code, and single chips # with a handful of cores is unlikely to show any improvement. # # CONFIG_EXPERT still allows this to be changed, e.g., to help debug # performance or correctness issues. # # Signed-off-by: Nicholas Piggin # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20210118123451.1452206-1-npiggin@gmail.com # < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 04483fc005f81d678e4fe63e36eab4fb39c5277b # < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig KCONFIG_SEED=0xCB736561 # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:3934:warning: override: reassigning to symbol STANDALONE .config:3938:warning: override: reassigning to symbol PPC64 .config:3939:warning: override: reassigning to symbol PPC_DISABLE_WERROR .config:3943:warning: override: reassigning to symbol GCC_PLUGINS .config:3946:warning: override: reassigning to symbol UBSAN # make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/kernel/eeh.c:1571:12: warning: 'proc_eeh_show' defined but not used [-Wunused-function] 1571 | static int proc_eeh_show(struct seq_file *m, void *v) | ^~~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc9 # Build took: 0:04:56.404919